ESP32 is very good if you can work around 3.3v. The M5Stack [0] is particularly nice and modular.
C, Lua, and some Python works well. Supports WiFi including split AP and node mode. BLE on chip as well. Get cheap LoRa chip for mesh net.
[0] https://m5stack.com/
ESP32 is very good if you can work around 3.3v. The M5Stack [0] is particularly nice and modular.
C, Lua, and some Python works well. Supports WiFi including split AP and node mode. BLE on chip as well. Get cheap LoRa chip for mesh net.
[0] https://m5stack.com/