Water Level Indicator with LED - PCB Tutorial - видео

JLCPCB Prototype for 2Any Color:  Subscribe to my YouTube channel Its FREE! This circuit that can indicate the water level Or any other conducting liquid in a tank.. The circuit is made by five BC337 transistors five LEDs five 330 ohm Resistors and one Buzzer. Here we are using transistor as a Switch. Initially there is no voltage applied to the base of the transistor and the transistor is in OFF state no current is flowing through collector and emitter and LED is OFF. When the water level rea...
Источник видео: RuTube.ru (Технологии и интернет)