💬 PogoPins
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What's the smallest hole ptich that I can do pogo pins with? e.g. is 1.27mm pitch possible?
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Yes, 1.27mm pitch should be possible with pogo pins (I have never done them myself, though).
You need to buy the smaller pogo pins (diameter 0.68mm). Some examples by other hackaers can be found e.g. at
- http://blog.spitzenpfeil.org/wordpress/projects/the-pogo-key-1-27mm-avr-isp-pogo-pin-adapter/
- http://blog.spitzenpfeil.org/wordpress/2013/11/12/the-pogo-key-1-27mm-avr-isp-adapter-take-ii/
- http://blog.spitzenpfeil.org/wordpress/2013/07/05/tiny-pcbs-vs-large-isp-headers-pogo-pins-to-the-rescue/
- https://www.tindie.com/products/ElectronutLabs/pogoprog-model-c-pogo-pin-programmer-swd-2-pack/
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I made a simple adapter for Pro Minis, Used on it own for new boards with connection holes
If you slide on some dupont cable covers as a guide it makes it easy to program a soldered board
