Hc-12 Firmware Jun 2026

The HC-12 firmware provides four distinct operation modes, often referred to as "Function Modes" or FU modes. These modes are selectable using AT commands (e.g., AT+FU1 , AT+FU3 ) to balance power consumption, transmission speed, and range. The Four Modes:

The factory default. It offers the best balance of speed and range. The air baud rate is automatically adjusted based on the UART baud rate, allowing for high speed while maintaining good transmission distance. hc-12 firmware

Flashing the wrong firmware can brick the module permanently. Proceed only if necessary. The HC-12 firmware provides four distinct operation modes,