↓Component Requirement↓
1. Transistor BC547 × 4
2. Buzzer (3V – 27V)
3. LED × 3
4. Resistor 330Ω × 3
5. Breadboard
6. Wires
7. Battery (5 – 12V)
8. Battery clip
↓Circuit Diagram↓
How To Make Water Level Indicator (In Hindi )
↓Component Requirement↓
1. Transistor BC547 × 4
2. Buzzer (3V – 27V)
3. LED × 3
4. Resistor 330Ω × 3
5. Breadboard
6. Wires
7. Battery (5 – 12V)
8. Battery clip