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We're using the ESP32 DEVKIT DOIT V1 Board (the model with 36 GPIOs). If you want to follow this project and have a different ESP32 model, you can assemble the circuit on a breadboard, or you can modify the PCB layout and wiring to match the pinout of your ESP32 board.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.