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The Water tank overflow alarm Mini electronics project circuit using 555 timer ic is a simple electronic alarm to prevent the overhead water tank from being overflown. It consists of a single 555 timer ic with two transistors. The alarm will sound when the water tank is full. This is an ideal project for beginners looking to understand the basics of electronics and transistors. A link to the circuit diagram will be sent along with this kit. Package includes Readymade circuit board, 12V buzzer, 3mm LED and 2 pin jst wire.
Momentary switch option to turn off the alarm
Works at 9v or 12v transformer
Can also connect a 230v electric bell via relay
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