| Rolling display with PC |
7-segment rolling display controlled via PC's LPT port.. |
2.97 |
2,908 |
| LED blinker for toys |
Blinks LED when device is in dark. |
2.96 |
2,215 |
| Powerful light show (3 x 600W) |
Powerful light show with 3 light bulbs, each 600W. |
2.95 |
11,055 |
| Simple light show |
Very simple light show with light bulbs. |
2.93 |
7,641 |
| Neon tube on 12V |
Neon tube converter operating on 12V. |
2.93 |
8,301 |
| Miniature stroboscope |
Miniature stroboscope operating on 3V battery. |
2.92 |
4,731 |
| Optical fiber data transceiver |
Optical fiber data transmitter and receiver. |
2.92 |
2,298 |
| Flashing bicycle light |
Flashing bicycle light. |
2.91 |
2,132 |
| LED VU-meter |
LED VU-meter using opAmps. |
2.91 |
5,364 |
| LED bicycle light |
40 flashing LEDs for your bicycle. |
2.91 |
4,773 |
| Stroboscope for 220V |
Stroboscope for 220V with xenon light bulb. |
2.90 |
4,984 |
| Stroboscope on 12V |
Stroboscope on 12V with NE555. |
2.89 |
5,272 |
| LED blinker |
Yet another LED blinker circuit. |
2.89 |
5,241 |
| Sound controlled light show |
Light show with 3 light bulbs controlled with sound. |
2.89 |
10,549 |
| Sun follower |
Good for sun tracking for solar panels. |
2.88 |
4,056 |
