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Third Time is the Charm

A project log for D1 Mini Expander Shield

Add 16 extra GPIO pins to your ESP8266.

dehipudeʃhipu 03/14/2019 at 16:210 Comments

I stopped believing that I am somehow competent enough to order the right footprint of the chips, and I decided to simply redesign the PCB to accommodate the bigger chips. When life gives you lemons...

It just barely fits, together with the pullups and a filter cap. I had to move the address jumpers to the bottom, though:

Now working on fitting as many as I can on a 10x10cm board:

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