Hobby Electronics - Circuits

Here are the circuit diagrams of some of the electronic gadgets I have constructed.

1. Emergency Light (inverter driving a 20W fluoroscent tube from 6V battery)
2. Psychedelic Lights
3. Tweeter Bell
4. LED flashers using IC 555
5. Miniature AM Transmitter
6. Siren
7. Slow-rising Sirens
8. Steady Hand Testing Game
9. Tiny Crane
10. Automatic Emergency Light
11. Burglar Alarm
12. Emergency Tubelight
13. Police Siren