Instructions:
• USB-C power supply must support the PD protocol
• Basic operation: Connect the module to USB-C PD power supply. The LED indicates the current voltage. If no LED is illuminated then it is currently at 5V. While holding S+ press S- to unlock the board. Press S+ to increase voltage. Press S- to decrease voltage.
• Reset to 5V: Press and hold the S- button while connecting the module to the power supply
• Quick key unlock: After powering on, while holding S+, quick press S-
• Quick key lock: After powering on, while holding S-, quick press S+
• Permanent Key Lock: Press and hold the S+ button while connecting the module to the power supply. Press S+ or S- to enable or disable the key lock. If the key lock is enabled, then the voltage cannot be changed until it is unlocked.
• Test Mode: Press and hold S- and S+ simultaneously while connecting the module to the power supply. The output voltage will automatically cycle between all supported voltages.