M5Stack Stamp-C5 - A Tiny ESP32-C5 USB-C board/module with up to 19 GPIO, 3.7V battery support - CNX Software
M5Stack Stamp-C5, also known as the M5Stamp-C5, is a tiny wireless IoT USB-C board based on the Espressif ESP32-C5 RISC-V microcontroller with dual-band