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In this project, I have shown how to make water pump automatic switch ON-OFF circuit to control the water level automatically. I have used the 555 timer IC for this DIY water pump auto cut switch circuit. With this simple 555 timer circuit, we can stop the water overflow from the water tank. And the pump will automatically start if the water level becomes low. So we don't need to start and stop the pump manually. I have published a new water pump controller circuit with more features. Please click the following link to watch the tutorial. New water pump controller using Arduino Download the PCB Layout for Automatic ON\OFF water pump switch from the following article Required components for the water pump automatic control circuit 1. 555Timer IC (1no) 2. BC547 NPN Transistor (1no) 3. 1k Resistors (R5, R7) (2no) 4. 22k Resistors (R1, R2) (2no) 5. 180k Resistor (R6) (1no) 6. 1M Resistors (R3, R4) (2no) 7. 100nF (104) Capacitor (C4) (1no) 8. 1N4007 Diode (D6) (1no) 9. LED (1no) 10. 12V SPDT Relay (1no) 11. Connectors & IC base (4pin) 12. Zero PCB Here, I have used a 5V pump to show the operation, but you can also use any single-phase pump. Please select the relay as per the voltage and current rating of the pump. After watching the video, you can easily design this automatic water tank level controller motor driver circuit for your home. If you face any issue please let me know in the comment section. #waterpumpautocutswitch #waterpumpautoonoff ------------------------------------------------------ Thanks For Watching... ✅ SUBSCRIBE ✅LIKE ✅SHARE ✅ COMMENTS Website: Facebook: Instagram: Telegram: ------------------------------------------------------- Other useful videos: LM317 variable DC Power Supply with circuit diagram How to calculate resistor value for LEDs in a circuit for 9V and 12V
