Hi folks, today I am going to discuss about water sensor circuit Water Sensor Circuit Material : 1. General Purpose PCB 2x2 inch. 2. Resistor: 10K ---------- 2 Nos. 3. Resistor: 15K ----------1 No. 4. Resistor: 1K ----------1 No. 5. Transistor: 2222A ---------- 2 Nos. Read More...