CIRCUITS DESIGN ELECTRONICS PROJECT FORUM CATEGORIES LATEST POST

Water Level Indicator Project

Required Components For Circuit (i) 4 Pieces BC547B  Transistors-Q1,Q2,Q3,Q4 (ii) 3 Pieces color Led – Red(LED1) , Blue(LED3) , Yellow(LED2) (iii) 6 Pieces Resistors R1,R2,R3,R4,R5, R6 ,all are 220 Ohms (iv) Buzzer (v) 9V Battery With Battery clip (vi) Some wires (vii) PCB Board Circuit Diagram of water level indicator How do it working :  When water level being […]