Components in the Kit
- 555 timer IC: 1
- 4017 IC: 1
- 12V relay: 3
- BC547: 3
- 7805 voltage regulator: 1
- Condenser mic: 1
- 5mm red LED: 3
- Resistors
- 10K: 2
- 1K: 4
- 2.2K: 1
- 220 ohm: 1
- 150 ohm: 1
- Capacitors
- 0.1uf: 2
- 1uf: 1
- 4.7uf: 1
- Connecting wire: 4M
- 9V battery with snap connector: 1
Note: Download the manual from here: Manual Download