| Heads or tails v2 |
Heads or tails with NE555. |
2.92 |
499 |
| Oscilloscope for win v2.51 |
Oscilloscope for PC using a sound-card. |
2.92 |
3,937 |
| CNC with AT90S1200 |
It uses unipolar motors from 5.25" floppy drive. |
2.92 |
4,500 |
| Quiz game switches |
Three switches for a quiz game. |
2.91 |
2,517 |
| Third car stop light |
The simplest third car stop-light with LEDs. |
2.91 |
2,475 |
| Lie detector v1 |
Very simple lie detector. |
2.91 |
5,576 |
| Mosquitos |
Mosquito repellent, one circuit and a sound-card mosquito repellent software for win and linux. |
2.91 |
9,223 |
| Metal seeker |
Metal seeker. |
2.91 |
3,732 |
| Color sensor |
Detects 8 different collors. |
2.91 |
3,744 |
| Heat detector using NE555 and diode |
Heat detector using NE555 and a diode. |
2.91 |
3,585 |
| KL interface for car diagnostics |
Schematics for KL interface for car diagnostics. |
2.91 |
3,605 |
| Frequency meter |
Frequency meter using PC. |
2.91 |
3,853 |
| RDS decoder with ATtiny2313 |
RDS decoder with ATtiny2313 and TDA7330B RDS decoder-chip. |
2.91 |
1,447 |
| Clap switch v2 |
Clap switch in flip-flop fashion. |
2.91 |
3,960 |
| CNC driver |
The simplest unipolar motor driver. |
2.91 |
4,482 |
