This tiny custom ESP32-C3 board is about the size of a USB-C connector (and is attached to one). Other features include a 32-bit RISC-V microcontrollers, WiFi 4, BT 5.0, and a single GPIO pin. It measures just 9.85 x 8.45mm. https://www.cnx-software.com/2025/11/21/ridiculously-tiny-esp32-c3-board-features-usb-c-one-led-and-a-ceramic-antenna/ #pegorKF32 #ESP32 #DevBoard