अब गाङी चोरी नही होगी ।। HOW TO MAKE A VEHICLe ALARM USING 555IC TIMER
Components
1. Buzzer
2. 555ic
3. Pcb
4. Led
5. 9v battery
6. Resistance 10k
7. Resistance 470 ohm
8. Capacitor 1000mf 25v
9. Metal sheet
diagram of circuit
https://drive.google.com/file/d/15MQW...