This led him to design the Sailor Hat with ESP32 — a marine specific, open source hardware development board. ... Arduino Core for ESP32, MicroPython, NodeMCU or Rust. [Matti] ...

I picked up an ESP32 nodemcu like board months ago that will fit a breadboard leaving a row of pins open at each side, and said board still uses the complete ESP32 module, rather than the discreet ...