| CNC driver |
The simplest unipolar motor driver. |
2.91 |
4,485 |
| Intersection setup with 2 traffic lights |
Intersection/crossroad setup with 2 traffic lights controller with LPT port. |
2.96 |
4,290 |
| Counter |
A multipurpose counter. |
2.93 |
4,239 |
| Touch switch |
Simple touch switch circuit. |
2.90 |
4,202 |
| Dual LED 12V blinker |
Double LED blinker on 12V. |
2.89 |
3,980 |
| Short circuit detector |
Detects open and short circuit conditions. |
2.89 |
3,964 |
| Clap switch v2 |
Clap switch in flip-flop fashion. |
2.90 |
3,962 |
| Oscilloscope for win v2.51 |
Oscilloscope for PC using a sound-card. |
2.93 |
3,939 |
| Temperature controller |
Temperature controller with LM3911. |
2.88 |
3,876 |
| Frequency meter |
Frequency meter using PC. |
2.91 |
3,854 |
| Digital switch |
Switch with 16 relays and only two switches. |
2.89 |
3,771 |
| Color sensor |
Detects 8 different collors. |
2.91 |
3,748 |
| Metal seeker |
Metal seeker. |
2.92 |
3,733 |
| Phase loss protection |
Device that provides a protection when one out of three phases are lost. |
2.96 |
3,707 |
| Water tank level indicator with alarm |
Liquid tank level indicator with audible alarm. |
2.87 |
3,615 |
