LED-D1: OFF: ready for config ESP32 wifi. ON: config wifi completed
LED-D2: ON: connect to relay controller by wifi network successfully
LED-D3: ON: work on RS232/RS485 mode
LED-D4: indicator for Tuya module: Blink: ready to config wifi
LED-D6: Power LED
LEDs on PCB:
Button:
RST: reset for ESP32
D.L.: factory reset (clear all data)
LED-D2: ON: connect to relay controller by wifi network successfully
LED-D3: ON: work on RS232/RS485 mode
LED-D4: indicator for Tuya module: Blink: ready to config wifi
LED-D6: Power LED
LEDs on PCB:
Button:
RST: reset for ESP32
D.L.: factory reset (clear all data)