Smart Electronics M03 M04 water level detection module sensor green non-contact liquid level touch switch liquid sensor
M03 M04 water level detection module sensor green non-contact liquid level touch switch liquid sensor
shared:
The difference between M03 and M04 is the supply voltage
GND: Power Supply - Power Supply 0V VCC: Power Supply+Power Supply 3.3-5V
OUT: No induction output high level with induction output low level