| 1.5V battery powered motor |
A very small fan motor switched on and off by hand torque. |
2.81 |
3,063 |
| 32.768 KHz oscillator |
Generate clock of 32.768 KHz with a common watch crystal. |
2.86 |
1,390 |
| Acustic clap switch |
Control your appliance with a clap of your hands. |
2.83 |
7,933 |
| Antiradar RF |
Car radar detector circuit. |
2.92 |
29,242 |
| Autodiagnostics |
Auto diagnostics VAG-COM, interface and a sample program. |
2.89 |
7,859 |
| Bridge amplifier 16W |
16W Bridge amplifier. |
2.90 |
2,712 |
| CNC driver |
The simplest unipolar motor driver. |
2.83 |
4,388 |
| CNC with AT90S1200 |
It uses unipolar motors from 5.25" floppy drive. |
2.85 |
4,445 |
| Clap switch v1 |
Clap switch in flip-flop fashion. |
2.84 |
5,078 |
| Clap switch v2 |
Clap switch in flip-flop fashion. |
2.88 |
3,512 |
| Color sensor |
Detects 8 different collors. |
2.85 |
3,700 |
| Conductor seeker |
Conductor seeker with NE567 tone decoder. |
2.79 |
2,302 |
| Continuity tester |
Adjustable continuity tester. |
2.84 |
708 |
| Counter |
A multipurpose counter. |
2.87 |
4,170 |
| DTMF decoding and generation |
Generating and decofing DTMF tones with two ICs. |
2.82 |
1,892 |
