MG3, LM3914 example with a different voltage level than the volume of water level can be used in many applications Usage Sensor for measuring alcohol levels MG-3 LEDs, the LM3914 output level is observed in the 10 to 12... Electronics Projects, Alcoholmeter Circuit with MG3 Sensor LM3914 LED Display Indicator "analog circuits projects, " Date 2019/08/02