PCR Eagle files

As Requested Gents,

I have attached the eagle files for the PCR Lightbulb Controller. I
have also made all the tracks thicker and got rid of a couple of daft
errors (the ones you pointed out Tom ((Thanks)) See if you guys can
pick up on anything else or do better.

Regards

Alex

PCR Thermocycler.zip (1.04 MB)

Just had a better look at the schematic - where is the 5V power coming
from? I see a 3v3 supply from J1, but unless the board is going to be
constantly powered from USB as well, i can see no 5v source…On 31 July 2011 22:53, Alexander Lang alexanderlang1980@googlemail.com wrote:

As Requested Gents,

I have attached the eagle files for the PCR Lightbulb Controller. I
have also made all the tracks thicker and got rid of a couple of daft
errors (the ones you pointed out Tom ((Thanks)) See if you guys can
pick up on anything else or do better.

Regards

Alex


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Thomas C. Bloor Mob: (+44) 07905646892
tom.bloor@googlemail.com or tom@bloorfamily.net
Homepage: http://tom.bloorfamily.net

Tom,

Well spotted. I noticed this before the meeting on Sunday and I
thought I had saved an updated schematic. Not to worry. Pin 1 of the
arduino nano is the standard Vin pin for an arduino which is connected
to a 5V regulator. All we need to do is add a VIN symbol next to the
DC input socket on the schematic at the top left of the page and those
tracks will be connected. I have attached an updated schematic if you
don’t get what I mean. You will need to update your version of the
board to do this.

Regards

AlexOn 4 August 2011 22:38, Tom Bloor tom.bloor@googlemail.com wrote:

Just had a better look at the schematic - where is the 5V power coming
from? I see a 3v3 supply from J1, but unless the board is going to be
constantly powered from USB as well, i can see no 5v source…

On 31 July 2011 22:53, Alexander Lang alexanderlang1980@googlemail.com wrote:

As Requested Gents,

I have attached the eagle files for the PCR Lightbulb Controller. I
have also made all the tracks thicker and got rid of a couple of daft
errors (the ones you pointed out Tom ((Thanks)) See if you guys can
pick up on anything else or do better.

Regards

Alex


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Thomas C. Bloor Mob: (+44) 07905646892
tom.bloor@googlemail.com or tom@bloorfamily.net
Homepage: http://tom.bloorfamily.net


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PCR Thermocycler updated.sch (251 KB)

Right, finally got it… Feel free to edit it more, but its mostly
single sided now, apart from the surface mount bits, and 13 ‘jumper
wires’. The image is really low quality but shows what i’ve done with
it, especially with the main layout.
Thomas C. Bloor Mob: (+44) 07905646892
tom.bloor@googlemail.com or tom@bloorfamily.net
Homepage: http://tom.bloorfamily.net

PCR Thermocycler updated.brd (34.9 KB)

PCR Thermocycler updated.sch (251 KB)

Tom,

Well done, I am going to move a couple of things around. The
resistor in the way of the RTC clock battery holder. It will be a
bitch to get the battery into the holder if the resistor already has
been soldered in. I’m also going to add some mounting holes for stand
offs. We need a way of mounting the board within an enclosure. I
don’t want mains voltages able to short of anything!! I’m also going
to add a ground plane to the bottom layer. Its always a good plan,
saves on etching and provides a bit of protection from EMC emissions
and immunity. (Stops the circuit interfering with other people’s kit
and stops our circuit being interfered with). It’s a long way from
being anything like how a professional EMC board would be but its
getting there. We would have to add filtering and fusing and
protection to achieve that (I can’t be bothered!!)

AlexOn 7 August 2011 22:04, Tom Bloor tom.bloor@googlemail.com wrote:

Right, finally got it… Feel free to edit it more, but its mostly
single sided now, apart from the surface mount bits, and 13 ‘jumper
wires’. The image is really low quality but shows what i’ve done with
it, especially with the main layout.

Thomas C. Bloor Mob: (+44) 07905646892
tom.bloor@googlemail.com or tom@bloorfamily.net
Homepage: http://tom.bloorfamily.net


You received this message because you are subscribed to the Google Groups “HAC:Manchester” group.
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hmmm…shareware version of eagle won’t let me move that resistor.
Sod it!! I’ll mount the battery holder on the bottom side of the
board! I think we are about ready to try and make a two layer board
on Wednesday!! I also noticed that the current way the tracks are
routed cover the mounting holes for the LCD display. Not an issue but
we would have to do things differently if we were going to get the PCB
professionally made. We can’t lay tracks over the holes!!

AlexOn 8 August 2011 09:02, Alexander Lang alexanderlang1980@googlemail.com wrote:

Tom,

Well done, I am going to move a couple of things around. The
resistor in the way of the RTC clock battery holder. It will be a
bitch to get the battery into the holder if the resistor already has
been soldered in. I’m also going to add some mounting holes for stand
offs. We need a way of mounting the board within an enclosure. I
don’t want mains voltages able to short of anything!! I’m also going
to add a ground plane to the bottom layer. Its always a good plan,
saves on etching and provides a bit of protection from EMC emissions
and immunity. (Stops the circuit interfering with other people’s kit
and stops our circuit being interfered with). It’s a long way from
being anything like how a professional EMC board would be but its
getting there. We would have to add filtering and fusing and
protection to achieve that (I can’t be bothered!!)

Alex

On 7 August 2011 22:04, Tom Bloor tom.bloor@googlemail.com wrote:

Right, finally got it… Feel free to edit it more, but its mostly
single sided now, apart from the surface mount bits, and 13 ‘jumper
wires’. The image is really low quality but shows what i’ve done with
it, especially with the main layout.

Thomas C. Bloor Mob: (+44) 07905646892
tom.bloor@googlemail.com or tom@bloorfamily.net
Homepage: http://tom.bloorfamily.net


You received this message because you are subscribed to the Google Groups “HAC:Manchester” group.
To post to this group, send an email to hacman@googlegroups.com.
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For more options, visit this group at http://groups.google.com/group/hacman?hl=en-GB.

PCR Thermocycler updated.brd (35.2 KB)

PCR Thermocycler updated.sch (251 KB)

Ok did a few quick edits on that :DOn 8 August 2011 09:36, Alexander Lang alexanderlang1980@googlemail.com wrote:

hmmm…shareware version of eagle won’t let me move that resistor.
Sod it!! I’ll mount the battery holder on the bottom side of the
board! I think we are about ready to try and make a two layer board
on Wednesday!! I also noticed that the current way the tracks are
routed cover the mounting holes for the LCD display. Not an issue but
we would have to do things differently if we were going to get the PCB
professionally made. We can’t lay tracks over the holes!!

Alex

On 8 August 2011 09:02, Alexander Lang alexanderlang1980@googlemail.com wrote:

Tom,

Well done, I am going to move a couple of things around. The
resistor in the way of the RTC clock battery holder. It will be a
bitch to get the battery into the holder if the resistor already has
been soldered in. I’m also going to add some mounting holes for stand
offs. We need a way of mounting the board within an enclosure. I
don’t want mains voltages able to short of anything!! I’m also going
to add a ground plane to the bottom layer. Its always a good plan,
saves on etching and provides a bit of protection from EMC emissions
and immunity. (Stops the circuit interfering with other people’s kit
and stops our circuit being interfered with). It’s a long way from
being anything like how a professional EMC board would be but its
getting there. We would have to add filtering and fusing and
protection to achieve that (I can’t be bothered!!)

Alex

On 7 August 2011 22:04, Tom Bloor tom.bloor@googlemail.com wrote:

Right, finally got it… Feel free to edit it more, but its mostly
single sided now, apart from the surface mount bits, and 13 ‘jumper
wires’. The image is really low quality but shows what i’ve done with
it, especially with the main layout.

Thomas C. Bloor Mob: (+44) 07905646892
tom.bloor@googlemail.com or tom@bloorfamily.net
Homepage: http://tom.bloorfamily.net


You received this message because you are subscribed to the Google Groups “HAC:Manchester” group.
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For more options, visit this group at http://groups.google.com/group/hacman?hl=en-GB.


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To post to this group, send an email to hacman@googlegroups.com.
To unsubscribe from this group, send email to hacman+unsubscribe@googlegroups.com.
For more options, visit this group at http://groups.google.com/group/hacman?hl=en-GB.

Thomas C. Bloor Mob: (+44) 07905646892
tom.bloor@googlemail.com or tom@bloorfamily.net
Homepage: http://tom.bloorfamily.net

PCR Thermocycler updated.brd (35.6 KB)

PCR Thermocycler updated.sch (251 KB)

daft question, but why diddnt you put the SD socket on the back of the
board? would mean the only things on the front are wire bridgesOn 8 August 2011 11:46, Tom Bloor tom.bloor@googlemail.com wrote:

Ok did a few quick edits on that :smiley:

On 8 August 2011 09:36, Alexander Lang alexanderlang1980@googlemail.com wrote:

hmmm…shareware version of eagle won’t let me move that resistor.
Sod it!! I’ll mount the battery holder on the bottom side of the
board! I think we are about ready to try and make a two layer board
on Wednesday!! I also noticed that the current way the tracks are
routed cover the mounting holes for the LCD display. Not an issue but
we would have to do things differently if we were going to get the PCB
professionally made. We can’t lay tracks over the holes!!

Alex

On 8 August 2011 09:02, Alexander Lang alexanderlang1980@googlemail.com wrote:

Tom,

Well done, I am going to move a couple of things around. The
resistor in the way of the RTC clock battery holder. It will be a
bitch to get the battery into the holder if the resistor already has
been soldered in. I’m also going to add some mounting holes for stand
offs. We need a way of mounting the board within an enclosure. I
don’t want mains voltages able to short of anything!! I’m also going
to add a ground plane to the bottom layer. Its always a good plan,
saves on etching and provides a bit of protection from EMC emissions
and immunity. (Stops the circuit interfering with other people’s kit
and stops our circuit being interfered with). It’s a long way from
being anything like how a professional EMC board would be but its
getting there. We would have to add filtering and fusing and
protection to achieve that (I can’t be bothered!!)

Alex

On 7 August 2011 22:04, Tom Bloor tom.bloor@googlemail.com wrote:

Right, finally got it… Feel free to edit it more, but its mostly
single sided now, apart from the surface mount bits, and 13 ‘jumper
wires’. The image is really low quality but shows what i’ve done with
it, especially with the main layout.

Thomas C. Bloor Mob: (+44) 07905646892
tom.bloor@googlemail.com or tom@bloorfamily.net
Homepage: http://tom.bloorfamily.net


You received this message because you are subscribed to the Google
Groups “HAC:Manchester” group.

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hacman+unsubscribe@googlegroups.com.

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Thomas C. Bloor Mob: (+44) 07905646892
tom.bloor@googlemail.com or tom@bloorfamily.net
Homepage: http://tom.bloorfamily.net


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Tom,

Good Work! Lets get it made!!

AlexOn 8 August 2011 11:46, Tom Bloor tom.bloor@googlemail.com wrote:

Ok did a few quick edits on that :smiley:

On 8 August 2011 09:36, Alexander Lang alexanderlang1980@googlemail.com wrote:

hmmm…shareware version of eagle won’t let me move that resistor.
Sod it!! I’ll mount the battery holder on the bottom side of the
board! I think we are about ready to try and make a two layer board
on Wednesday!! I also noticed that the current way the tracks are
routed cover the mounting holes for the LCD display. Not an issue but
we would have to do things differently if we were going to get the PCB
professionally made. We can’t lay tracks over the holes!!

Alex

On 8 August 2011 09:02, Alexander Lang alexanderlang1980@googlemail.com wrote:

Tom,

Well done, I am going to move a couple of things around. The
resistor in the way of the RTC clock battery holder. It will be a
bitch to get the battery into the holder if the resistor already has
been soldered in. I’m also going to add some mounting holes for stand
offs. We need a way of mounting the board within an enclosure. I
don’t want mains voltages able to short of anything!! I’m also going
to add a ground plane to the bottom layer. Its always a good plan,
saves on etching and provides a bit of protection from EMC emissions
and immunity. (Stops the circuit interfering with other people’s kit
and stops our circuit being interfered with). It’s a long way from
being anything like how a professional EMC board would be but its
getting there. We would have to add filtering and fusing and
protection to achieve that (I can’t be bothered!!)

Alex

On 7 August 2011 22:04, Tom Bloor tom.bloor@googlemail.com wrote:

Right, finally got it… Feel free to edit it more, but its mostly
single sided now, apart from the surface mount bits, and 13 ‘jumper
wires’. The image is really low quality but shows what i’ve done with
it, especially with the main layout.

Thomas C. Bloor Mob: (+44) 07905646892
tom.bloor@googlemail.com or tom@bloorfamily.net
Homepage: http://tom.bloorfamily.net


You received this message because you are subscribed to the Google Groups “HAC:Manchester” group.
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Thomas C. Bloor Mob: (+44) 07905646892
tom.bloor@googlemail.com or tom@bloorfamily.net
Homepage: http://tom.bloorfamily.net


You received this message because you are subscribed to the Google Groups “HAC:Manchester” group.
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It still can go on the bottom…there is a pin header so we can use a
sparkfun D breakout if we so wished. You see…We aren’t just pretty
faces!! :slight_smile:

AlexOn 8 August 2011 11:48, Bob Clough parag0n@ivixor.net wrote:

daft question, but why diddnt you put the SD socket on the back of the
board? would mean the only things on the front are wire bridges

On 8 August 2011 11:46, Tom Bloor tom.bloor@googlemail.com wrote:

Ok did a few quick edits on that :smiley:

On 8 August 2011 09:36, Alexander Lang alexanderlang1980@googlemail.com wrote:

hmmm…shareware version of eagle won’t let me move that resistor.
Sod it!! I’ll mount the battery holder on the bottom side of the
board! I think we are about ready to try and make a two layer board
on Wednesday!! I also noticed that the current way the tracks are
routed cover the mounting holes for the LCD display. Not an issue but
we would have to do things differently if we were going to get the PCB
professionally made. We can’t lay tracks over the holes!!

Alex

On 8 August 2011 09:02, Alexander Lang alexanderlang1980@googlemail.com wrote:

Tom,

Well done, I am going to move a couple of things around. The
resistor in the way of the RTC clock battery holder. It will be a
bitch to get the battery into the holder if the resistor already has
been soldered in. I’m also going to add some mounting holes for stand
offs. We need a way of mounting the board within an enclosure. I
don’t want mains voltages able to short of anything!! I’m also going
to add a ground plane to the bottom layer. Its always a good plan,
saves on etching and provides a bit of protection from EMC emissions
and immunity. (Stops the circuit interfering with other people’s kit
and stops our circuit being interfered with). It’s a long way from
being anything like how a professional EMC board would be but its
getting there. We would have to add filtering and fusing and
protection to achieve that (I can’t be bothered!!)

Alex

On 7 August 2011 22:04, Tom Bloor tom.bloor@googlemail.com wrote:

Right, finally got it… Feel free to edit it more, but its mostly
single sided now, apart from the surface mount bits, and 13 ‘jumper
wires’. The image is really low quality but shows what i’ve done with
it, especially with the main layout.

Thomas C. Bloor Mob: (+44) 07905646892
tom.bloor@googlemail.com or tom@bloorfamily.net
Homepage: http://tom.bloorfamily.net


You received this message because you are subscribed to the Google
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Thomas C. Bloor Mob: (+44) 07905646892
tom.bloor@googlemail.com or tom@bloorfamily.net
Homepage: http://tom.bloorfamily.net


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I meant SD breakout…We need to try and make a two layer PCB
sometime!! We have been avoiding it for ages!!

AlexOn 8 August 2011 11:54, Alexander Lang alexanderlang1980@googlemail.com wrote:

It still can go on the bottom…there is a pin header so we can use a
sparkfun D breakout if we so wished. You see…We aren’t just pretty
faces!! :slight_smile:

Alex

On 8 August 2011 11:48, Bob Clough parag0n@ivixor.net wrote:

daft question, but why diddnt you put the SD socket on the back of the
board? would mean the only things on the front are wire bridges

On 8 August 2011 11:46, Tom Bloor tom.bloor@googlemail.com wrote:

Ok did a few quick edits on that :smiley:

On 8 August 2011 09:36, Alexander Lang alexanderlang1980@googlemail.com wrote:

hmmm…shareware version of eagle won’t let me move that resistor.
Sod it!! I’ll mount the battery holder on the bottom side of the
board! I think we are about ready to try and make a two layer board
on Wednesday!! I also noticed that the current way the tracks are
routed cover the mounting holes for the LCD display. Not an issue but
we would have to do things differently if we were going to get the PCB
professionally made. We can’t lay tracks over the holes!!

Alex

On 8 August 2011 09:02, Alexander Lang alexanderlang1980@googlemail.com wrote:

Tom,

Well done, I am going to move a couple of things around. The
resistor in the way of the RTC clock battery holder. It will be a
bitch to get the battery into the holder if the resistor already has
been soldered in. I’m also going to add some mounting holes for stand
offs. We need a way of mounting the board within an enclosure. I
don’t want mains voltages able to short of anything!! I’m also going
to add a ground plane to the bottom layer. Its always a good plan,
saves on etching and provides a bit of protection from EMC emissions
and immunity. (Stops the circuit interfering with other people’s kit
and stops our circuit being interfered with). It’s a long way from
being anything like how a professional EMC board would be but its
getting there. We would have to add filtering and fusing and
protection to achieve that (I can’t be bothered!!)

Alex

On 7 August 2011 22:04, Tom Bloor tom.bloor@googlemail.com wrote:

Right, finally got it… Feel free to edit it more, but its mostly
single sided now, apart from the surface mount bits, and 13 ‘jumper
wires’. The image is really low quality but shows what i’ve done with
it, especially with the main layout.

Thomas C. Bloor Mob: (+44) 07905646892
tom.bloor@googlemail.com or tom@bloorfamily.net
Homepage: http://tom.bloorfamily.net


You received this message because you are subscribed to the Google
Groups “HAC:Manchester” group.
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hacman+unsubscribe@googlegroups.com.
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Thomas C. Bloor Mob: (+44) 07905646892
tom.bloor@googlemail.com or tom@bloorfamily.net
Homepage: http://tom.bloorfamily.net


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Bob: I tried to do it with putting the SD card slot on the back, but
there are soo many crossing wires that it was impossible without
atleast 4 jumper wires to do it…

And yea we need to try a dual sided one :stuck_out_tongue: Maybe a joint surface mount
and Thru Hole board? We shall have to see what we decide to design
next :POn 8 August 2011 11:56, Alexander Lang alexanderlang1980@googlemail.com wrote:

I meant SD breakout…We need to try and make a two layer PCB
sometime!! We have been avoiding it for ages!!

Alex

On 8 August 2011 11:54, Alexander Lang alexanderlang1980@googlemail.com wrote:

It still can go on the bottom…there is a pin header so we can use a
sparkfun D breakout if we so wished. You see…We aren’t just pretty
faces!! :slight_smile:

Alex

On 8 August 2011 11:48, Bob Clough parag0n@ivixor.net wrote:

daft question, but why diddnt you put the SD socket on the back of the
board? would mean the only things on the front are wire bridges

On 8 August 2011 11:46, Tom Bloor tom.bloor@googlemail.com wrote:

Ok did a few quick edits on that :smiley:

On 8 August 2011 09:36, Alexander Lang alexanderlang1980@googlemail.com wrote:

hmmm…shareware version of eagle won’t let me move that resistor.
Sod it!! I’ll mount the battery holder on the bottom side of the
board! I think we are about ready to try and make a two layer board
on Wednesday!! I also noticed that the current way the tracks are
routed cover the mounting holes for the LCD display. Not an issue but
we would have to do things differently if we were going to get the PCB
professionally made. We can’t lay tracks over the holes!!

Alex

On 8 August 2011 09:02, Alexander Lang alexanderlang1980@googlemail.com wrote:

Tom,

Well done, I am going to move a couple of things around. The
resistor in the way of the RTC clock battery holder. It will be a
bitch to get the battery into the holder if the resistor already has
been soldered in. I’m also going to add some mounting holes for stand
offs. We need a way of mounting the board within an enclosure. I
don’t want mains voltages able to short of anything!! I’m also going
to add a ground plane to the bottom layer. Its always a good plan,
saves on etching and provides a bit of protection from EMC emissions
and immunity. (Stops the circuit interfering with other people’s kit
and stops our circuit being interfered with). It’s a long way from
being anything like how a professional EMC board would be but its
getting there. We would have to add filtering and fusing and
protection to achieve that (I can’t be bothered!!)

Alex

On 7 August 2011 22:04, Tom Bloor tom.bloor@googlemail.com wrote:

Right, finally got it… Feel free to edit it more, but its mostly
single sided now, apart from the surface mount bits, and 13 ‘jumper
wires’. The image is really low quality but shows what i’ve done with
it, especially with the main layout.

Thomas C. Bloor Mob: (+44) 07905646892
tom.bloor@googlemail.com or tom@bloorfamily.net
Homepage: http://tom.bloorfamily.net


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Homepage: http://tom.bloorfamily.net


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Thomas C. Bloor Mob: (+44) 07905646892
tom.bloor@googlemail.com or tom@bloorfamily.net
Homepage: http://tom.bloorfamily.net

Well this is that board. It has footprints for both through hole and
surface mount…I am inclined to try it.On 8 August 2011 12:03, Tom Bloor tom.bloor@googlemail.com wrote:

Bob: I tried to do it with putting the SD card slot on the back, but
there are soo many crossing wires that it was impossible without
atleast 4 jumper wires to do it…

And yea we need to try a dual sided one :stuck_out_tongue: Maybe a joint surface mount
and Thru Hole board? We shall have to see what we decide to design
next :stuck_out_tongue:

On 8 August 2011 11:56, Alexander Lang alexanderlang1980@googlemail.com wrote:

I meant SD breakout…We need to try and make a two layer PCB
sometime!! We have been avoiding it for ages!!

Alex

On 8 August 2011 11:54, Alexander Lang alexanderlang1980@googlemail.com wrote:

It still can go on the bottom…there is a pin header so we can use a
sparkfun D breakout if we so wished. You see…We aren’t just pretty
faces!! :slight_smile:

Alex

On 8 August 2011 11:48, Bob Clough parag0n@ivixor.net wrote:

daft question, but why diddnt you put the SD socket on the back of the
board? would mean the only things on the front are wire bridges

On 8 August 2011 11:46, Tom Bloor tom.bloor@googlemail.com wrote:

Ok did a few quick edits on that :smiley:

On 8 August 2011 09:36, Alexander Lang alexanderlang1980@googlemail.com wrote:

hmmm…shareware version of eagle won’t let me move that resistor.
Sod it!! I’ll mount the battery holder on the bottom side of the
board! I think we are about ready to try and make a two layer board
on Wednesday!! I also noticed that the current way the tracks are
routed cover the mounting holes for the LCD display. Not an issue but
we would have to do things differently if we were going to get the PCB
professionally made. We can’t lay tracks over the holes!!

Alex

On 8 August 2011 09:02, Alexander Lang alexanderlang1980@googlemail.com wrote:

Tom,

Well done, I am going to move a couple of things around. The
resistor in the way of the RTC clock battery holder. It will be a
bitch to get the battery into the holder if the resistor already has
been soldered in. I’m also going to add some mounting holes for stand
offs. We need a way of mounting the board within an enclosure. I
don’t want mains voltages able to short of anything!! I’m also going
to add a ground plane to the bottom layer. Its always a good plan,
saves on etching and provides a bit of protection from EMC emissions
and immunity. (Stops the circuit interfering with other people’s kit
and stops our circuit being interfered with). It’s a long way from
being anything like how a professional EMC board would be but its
getting there. We would have to add filtering and fusing and
protection to achieve that (I can’t be bothered!!)

Alex

On 7 August 2011 22:04, Tom Bloor tom.bloor@googlemail.com wrote:

Right, finally got it… Feel free to edit it more, but its mostly
single sided now, apart from the surface mount bits, and 13 ‘jumper
wires’. The image is really low quality but shows what i’ve done with
it, especially with the main layout.

Thomas C. Bloor Mob: (+44) 07905646892
tom.bloor@googlemail.com or tom@bloorfamily.net
Homepage: http://tom.bloorfamily.net


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tom.bloor@googlemail.com or tom@bloorfamily.net
Homepage: http://tom.bloorfamily.net


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tom.bloor@googlemail.com or tom@bloorfamily.net
Homepage: http://tom.bloorfamily.net


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Cant hurt to try :smiley: If it does work well, could probably make it even smaller.

And an idea for an improved design: Shift the mains power stuff off to
another board. Then it can be enclosed seperately and safely. Also
maybe make it include a dedicated processor and usb stuff, so its
relying less on the Arduino board.

OH erm hope that the distance is right for the Arduino headers… :S
Thankfully theres a bit of leeway with moving them.On 8 August 2011 12:08, Alexander Lang alexanderlang1980@googlemail.com wrote:

Well this is that board. It has footprints for both through hole and
surface mount…I am inclined to try it.

On 8 August 2011 12:03, Tom Bloor tom.bloor@googlemail.com wrote:

Bob: I tried to do it with putting the SD card slot on the back, but
there are soo many crossing wires that it was impossible without
atleast 4 jumper wires to do it…

And yea we need to try a dual sided one :stuck_out_tongue: Maybe a joint surface mount
and Thru Hole board? We shall have to see what we decide to design
next :stuck_out_tongue:

On 8 August 2011 11:56, Alexander Lang alexanderlang1980@googlemail.com wrote:

I meant SD breakout…We need to try and make a two layer PCB
sometime!! We have been avoiding it for ages!!

Alex

On 8 August 2011 11:54, Alexander Lang alexanderlang1980@googlemail.com wrote:

It still can go on the bottom…there is a pin header so we can use a
sparkfun D breakout if we so wished. You see…We aren’t just pretty
faces!! :slight_smile:

Alex

On 8 August 2011 11:48, Bob Clough parag0n@ivixor.net wrote:

daft question, but why diddnt you put the SD socket on the back of the
board? would mean the only things on the front are wire bridges

On 8 August 2011 11:46, Tom Bloor tom.bloor@googlemail.com wrote:

Ok did a few quick edits on that :smiley:

On 8 August 2011 09:36, Alexander Lang alexanderlang1980@googlemail.com wrote:

hmmm…shareware version of eagle won’t let me move that resistor.
Sod it!! I’ll mount the battery holder on the bottom side of the
board! I think we are about ready to try and make a two layer board
on Wednesday!! I also noticed that the current way the tracks are
routed cover the mounting holes for the LCD display. Not an issue but
we would have to do things differently if we were going to get the PCB
professionally made. We can’t lay tracks over the holes!!

Alex

On 8 August 2011 09:02, Alexander Lang alexanderlang1980@googlemail.com wrote:

Tom,

Well done, I am going to move a couple of things around. The
resistor in the way of the RTC clock battery holder. It will be a
bitch to get the battery into the holder if the resistor already has
been soldered in. I’m also going to add some mounting holes for stand
offs. We need a way of mounting the board within an enclosure. I
don’t want mains voltages able to short of anything!! I’m also going
to add a ground plane to the bottom layer. Its always a good plan,
saves on etching and provides a bit of protection from EMC emissions
and immunity. (Stops the circuit interfering with other people’s kit
and stops our circuit being interfered with). It’s a long way from
being anything like how a professional EMC board would be but its
getting there. We would have to add filtering and fusing and
protection to achieve that (I can’t be bothered!!)

Alex

On 7 August 2011 22:04, Tom Bloor tom.bloor@googlemail.com wrote:

Right, finally got it… Feel free to edit it more, but its mostly
single sided now, apart from the surface mount bits, and 13 ‘jumper
wires’. The image is really low quality but shows what i’ve done with
it, especially with the main layout.

Thomas C. Bloor Mob: (+44) 07905646892
tom.bloor@googlemail.com or tom@bloorfamily.net
Homepage: http://tom.bloorfamily.net


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tom.bloor@googlemail.com or tom@bloorfamily.net
Homepage: http://tom.bloorfamily.net


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tom.bloor@googlemail.com or tom@bloorfamily.net
Homepage: http://tom.bloorfamily.net


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Thomas C. Bloor Mob: (+44) 07905646892
tom.bloor@googlemail.com or tom@bloorfamily.net
Homepage: http://tom.bloorfamily.net

They should be ok as long as you used the IC socket as a template.On 8 August 2011 12:12, Tom Bloor tom.bloor@googlemail.com wrote:

Cant hurt to try :smiley: If it does work well, could probably make it even smaller.

And an idea for an improved design: Shift the mains power stuff off to
another board. Then it can be enclosed seperately and safely. Also
maybe make it include a dedicated processor and usb stuff, so its
relying less on the Arduino board.

OH erm hope that the distance is right for the Arduino headers… :S
Thankfully theres a bit of leeway with moving them.

On 8 August 2011 12:08, Alexander Lang alexanderlang1980@googlemail.com wrote:

Well this is that board. It has footprints for both through hole and
surface mount…I am inclined to try it.

On 8 August 2011 12:03, Tom Bloor tom.bloor@googlemail.com wrote:

Bob: I tried to do it with putting the SD card slot on the back, but
there are soo many crossing wires that it was impossible without
atleast 4 jumper wires to do it…

And yea we need to try a dual sided one :stuck_out_tongue: Maybe a joint surface mount
and Thru Hole board? We shall have to see what we decide to design
next :stuck_out_tongue:

On 8 August 2011 11:56, Alexander Lang alexanderlang1980@googlemail.com wrote:

I meant SD breakout…We need to try and make a two layer PCB
sometime!! We have been avoiding it for ages!!

Alex

On 8 August 2011 11:54, Alexander Lang alexanderlang1980@googlemail.com wrote:

It still can go on the bottom…there is a pin header so we can use a
sparkfun D breakout if we so wished. You see…We aren’t just pretty
faces!! :slight_smile:

Alex

On 8 August 2011 11:48, Bob Clough parag0n@ivixor.net wrote:

daft question, but why diddnt you put the SD socket on the back of the
board? would mean the only things on the front are wire bridges

On 8 August 2011 11:46, Tom Bloor tom.bloor@googlemail.com wrote:

Ok did a few quick edits on that :smiley:

On 8 August 2011 09:36, Alexander Lang alexanderlang1980@googlemail.com wrote:

hmmm…shareware version of eagle won’t let me move that resistor.
Sod it!! I’ll mount the battery holder on the bottom side of the
board! I think we are about ready to try and make a two layer board
on Wednesday!! I also noticed that the current way the tracks are
routed cover the mounting holes for the LCD display. Not an issue but
we would have to do things differently if we were going to get the PCB
professionally made. We can’t lay tracks over the holes!!

Alex

On 8 August 2011 09:02, Alexander Lang alexanderlang1980@googlemail.com wrote:

Tom,

Well done, I am going to move a couple of things around. The
resistor in the way of the RTC clock battery holder. It will be a
bitch to get the battery into the holder if the resistor already has
been soldered in. I’m also going to add some mounting holes for stand
offs. We need a way of mounting the board within an enclosure. I
don’t want mains voltages able to short of anything!! I’m also going
to add a ground plane to the bottom layer. Its always a good plan,
saves on etching and provides a bit of protection from EMC emissions
and immunity. (Stops the circuit interfering with other people’s kit
and stops our circuit being interfered with). It’s a long way from
being anything like how a professional EMC board would be but its
getting there. We would have to add filtering and fusing and
protection to achieve that (I can’t be bothered!!)

Alex

On 7 August 2011 22:04, Tom Bloor tom.bloor@googlemail.com wrote:

Right, finally got it… Feel free to edit it more, but its mostly
single sided now, apart from the surface mount bits, and 13 ‘jumper
wires’. The image is really low quality but shows what i’ve done with
it, especially with the main layout.

Thomas C. Bloor Mob: (+44) 07905646892
tom.bloor@googlemail.com or tom@bloorfamily.net
Homepage: http://tom.bloorfamily.net


You received this message because you are subscribed to the Google
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tom.bloor@googlemail.com or tom@bloorfamily.net
Homepage: http://tom.bloorfamily.net


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tom.bloor@googlemail.com or tom@bloorfamily.net
Homepage: http://tom.bloorfamily.net


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tom.bloor@googlemail.com or tom@bloorfamily.net
Homepage: http://tom.bloorfamily.net


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oops… erm… will do that and upload a new .brd :stuck_out_tongue:

They should be ok as long as you used the IC socket as a template.

Cant hurt to try :smiley: If it does work well, could probably make it even
smaller.

And an idea for an improved design: Shift the mains power stuff off to
another board. Then it can be enclosed seperately and safely. Also
maybe make it include a dedicated processor and usb stuff, so its
relying less on the Arduino board.

OH erm hope that the distance is right for the Arduino headers… :S
Thankfully theres a bit of leeway with moving them.

Well this is that board. It has footprints for both through hole and
surface mount…I am inclined to try it.

Bob: I tried to do it with putting the SD card slot on the back, but
there are soo many crossing wires that it was impossible without
atleast 4 jumper wires to do it…

And yea we need to try a dual sided one :stuck_out_tongue: Maybe a joint surface mount
and Thru Hole board? We shall have to see what we decide to design
next :stuck_out_tongue:

I meant SD breakout…We need to try and make a two layer PCB
sometime!! We have been avoiding it for ages!!

Alex

It still can go on the bottom…there is a pin header so we can use
a

sparkfun D breakout if we so wished. You see…We aren’t just
pretty

faces!! :slight_smile:

Alex

daft question, but why diddnt you put the SD socket on the back of
the

board? would mean the only things on the front are wire bridges

Ok did a few quick edits on that :smiley:

hmmm…shareware version of eagle won’t let me move that
resistor.

Sod it!! I’ll mount the battery holder on the bottom side of the
board! I think we are about ready to try and make a two layer
board

on Wednesday!! I also noticed that the current way the tracks
are

routed cover the mounting holes for the LCD display. Not an
issue but

we would have to do things differently if we were going to get
the PCB

professionally made. We can’t lay tracks over the holes!!

Alex

Tom,

Well done, I am going to move a couple of things around. The

Thomas C. Bloor Mob: (+44) 07905646892
tom.bloor@googlemail.com or tom@bloorfamily.net
Homepage: http://tom.bloorfamily.net

OK this SHOULD be the final version. Measured the Arduino Pro Mini
board, came out as 0.6" so thats what the distance is set to on this
board.

Next time we do a board im making up a library file for this damn thing :POn 8 August 2011 13:37, Tom Bloor tom.bloor@googlemail.com wrote:

oops… erm… will do that and upload a new .brd :stuck_out_tongue:

On Monday, 8 August 2011, Alexander Lang alexanderlang1980@googlemail.com wrote:

They should be ok as long as you used the IC socket as a template.

On 8 August 2011 12:12, Tom Bloor tom.bloor@googlemail.com wrote:

Cant hurt to try :smiley: If it does work well, could probably make it even
smaller.

And an idea for an improved design: Shift the mains power stuff off to
another board. Then it can be enclosed seperately and safely. Also
maybe make it include a dedicated processor and usb stuff, so its
relying less on the Arduino board.

OH erm hope that the distance is right for the Arduino headers… :S
Thankfully theres a bit of leeway with moving them.

On 8 August 2011 12:08, Alexander Lang alexanderlang1980@googlemail.com wrote:

Well this is that board. It has footprints for both through hole and
surface mount…I am inclined to try it.

On 8 August 2011 12:03, Tom Bloor tom.bloor@googlemail.com wrote:

Bob: I tried to do it with putting the SD card slot on the back, but
there are soo many crossing wires that it was impossible without
atleast 4 jumper wires to do it…

And yea we need to try a dual sided one :stuck_out_tongue: Maybe a joint surface mount
and Thru Hole board? We shall have to see what we decide to design
next :stuck_out_tongue:

On 8 August 2011 11:56, Alexander Lang alexanderlang1980@googlemail.com wrote:

I meant SD breakout…We need to try and make a two layer PCB
sometime!! We have been avoiding it for ages!!

Alex

On 8 August 2011 11:54, Alexander Lang alexanderlang1980@googlemail.com wrote:

It still can go on the bottom…there is a pin header so we can use
a
sparkfun D breakout if we so wished. You see…We aren’t just
pretty
faces!! :slight_smile:

Alex

On 8 August 2011 11:48, Bob Clough parag0n@ivixor.net wrote:

daft question, but why diddnt you put the SD socket on the back of
the
board? would mean the only things on the front are wire bridges

On 8 August 2011 11:46, Tom Bloor tom.bloor@googlemail.com wrote:

Ok did a few quick edits on that :smiley:

On 8 August 2011 09:36, Alexander Lang alexanderlang1980@googlemail.com wrote:

hmmm…shareware version of eagle won’t let me move that
resistor.
Sod it!! I’ll mount the battery holder on the bottom side of the
board! I think we are about ready to try and make a two layer
board
on Wednesday!! I also noticed that the current way the tracks
are
routed cover the mounting holes for the LCD display. Not an
issue but
we would have to do things differently if we were going to get
the PCB
professionally made. We can’t lay tracks over the holes!!

Alex

On 8 August 2011 09:02, Alexander Lang alexanderlang1980@googlemail.com wrote:

Tom,

Well done, I am going to move a couple of things around. The


Thomas C. Bloor Mob: (+44) 07905646892
tom.bloor@googlemail.com or tom@bloorfamily.net
Homepage: http://tom.bloorfamily.net

Thomas C. Bloor Mob: (+44) 07905646892
tom.bloor@googlemail.com or tom@bloorfamily.net
Homepage: http://tom.bloorfamily.net

PCR Thermocycler updated.brd (35.7 KB)