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 […]

CIRCUITS DESIGN FORUM CATEGORIES LATEST POST

What is mysterious concept a lamp controlled by two or more switches

(i) Circuit diagram of one lamp controlled by two switches  From this circuit picture we can understand that one lamp control by two SPDT switch.Two switch are having a separate position. And its upper two points and lower two points are connected two a wire.Its hot terminal and neutral terminal are connected to a battery positive and […]