Quote:
Originally Posted by edwardc
I'm guessing you used an ESP32 module for the MCU?
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Thats exactly right! I've soldered a Wemos D1 Mini ESP32 to a pcb board of my own design. In future I'd like to surface mount just the esp32 to a board of surface mount components but I've little experience with that and will try it out when this one is in place and forgotten.
Originally I was using an ESP8266 but decided I'd like the ignition code to have its own core so the wifi has little chance of adversely effecting the running engine. Its only a few dollars more. Both MCUs have way more grunt that this project needs but horsepower is cheap.