NRF52 Bluetooth Low Energy Module PCB Using Laser Printer / Silver Paste Method

Thanks to Rich for writing in with a follow up to his laser printed PCB method that we posted about back in December! He writes:

Hi there!

A few months ago you shared my silver-paste / laser printed PCB method – https://blog.adafruit.com/2016/12/18/no-etch-circuit-boards-on-your-laser-printer/ – thanks!

I recently did my first “real” project using this approach – a complete BLE module utilizing Nordic’s NRF52 chip:

http://www.nothinglabs.com/nrf52-bluetooth-low-energy-module-pcb-using-laser-printer-silver-paste-method/

https://www.youtube.com/watch?v=F9uNdE_027Q

I think the NRF52’s 0.4mm QFN40 package is pushing the edge of what’s possible with this method. I had some challenges getting things working – but I think this shows the method is could be useful for prototyping projects.

Thanks again,

-Rich Olson

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