| Intersection setup with 2 traffic lights |
Intersection/crossroad setup with 2 traffic lights controller with LPT port. |
2.96 |
4,293 |
| KL interface for car diagnostics |
Schematics for KL interface for car diagnostics. |
2.91 |
3,607 |
| LED signal level display |
Device uses MAX924 IC. |
2.94 |
1,776 |
| Level detector |
Level detector with photo transistor. |
2.88 |
2,299 |
| Lie detector v1 |
Very simple lie detector. |
2.94 |
5,579 |
| Lie detector v2 |
Lie detector that measures skin resistance. |
2.95 |
3,357 |
| Low frequency clock signal source |
Low frequency clock signal source. |
2.93 |
877 |
| MOS FET oscillator |
Professional version of uncontrolled oscillator with MOS FET. |
2.91 |
1,295 |
| Master Clock driver for antique slave clocks |
Master clock for big old clocks with impulse motor. |
3.04 |
792 |
| Matchless metal locator |
Terrific detector and locator for metal objects with dual NE555. |
2.88 |
3,619 |
| Metal detector/seeker |
Metal detector circuit. |
2.93 |
9,142 |
| Metal seeker |
Metal seeker. |
2.88 |
3,741 |
| Mosquitos |
Mosquito repellent, one circuit and a sound-card mosquito repellent software for win and linux. |
2.91 |
9,230 |
| Motor speed controller |
Regulation of motor speed for low voltage motors. |
2.91 |
5,132 |
| Negative ION generator |
Negative ION generator. |
2.87 |
2,294 |
