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===== Printed Circuit Photos =====
<color #db5f0b>Mar 2017</color>
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{{:pcb_title_image.jpg?500|}}
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Please bear in mind the current PCB revision is <color #ed1c24>v3.1</color>. This is due to errors found in the early builds (mostly to do with hole sizes). Once the <color #ed1c24>v3.1</color> boards have arrived and been tested, I will upload those photos here.
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So here it is, PCB v1.0 that I have built up. It worked first time with no modification, so I was pretty pleased. The main issue with this PCB was that I used hole sizes that were a little too small on the 40way header, so it was a tight squeeze. I also didn't via all the holes (only the ones connected in the schematic) and for better soldering, I should have done them all.
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Both of these issues are now fixed on the v3.1. Why the jump from v1.0 to 3.1? Well there are a few subtle changes, some tracks have been re-routed for tidiness, some resistors moved a little and the outline has been changed to have round corners (no idea if the PCB manufacturer will cut them like this though).
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Keep an eye on this page for the v3.1 photos, hopefully by the end of April 2017, depending on shipping (can be 4-6 weeks to come from Hong Kong to the UK).
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==== The Bare PCB ===
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==== PCB Bottom with 40W Header ====
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{{:ntp_pcb_003.jpg?500|}}
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==== PCB Top with IC Sockets and Resistors ====
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{{:ntp_pcb_004.jpg?500|}}
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==== PCB with 7 Segment LED attached to Raspberry Pi Zero ====
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==== PCB Side View with 7 Segment LED attached to Raspberry Pi Zero ====
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==== PCB Isometric View with 7 Segment LED attached to Raspberry Pi Zero ====
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==== Working PCB on Raspberry Pi Zero ====
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{{:007.jpg?500|}}
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