ESP32-C6-DevKitM-1-N4 Development Board Espressif Systems ESP32-C6-DevKitM-1-N4 Development Board is an entry-level development board that opens up possibilities for creators and developers. The Espressif Systems ESP32-C6-DevKitM-1-N4 features many I/O pins conveniently broken out to pin headers on both sides. The board allows for the flexibility of jumper wires or the stability of a breadboard for custom applications.