| Smart head |
A device that turns itself towards a light source. |
2.90 |
2,442 |
| Sound/light effect for toys |
Detects light and generates sound effects for toys. |
2.95 |
1,937 |
| Static charge detector |
Detects static charge and IONs. |
2.96 |
1,755 |
| Strain-gage sensor |
Strain-gage sensor 4-20mA. |
2.94 |
825 |
| Strong 12V bulb flasher |
Circuit that blinks 12V car bulbs. |
2.88 |
2,313 |
| TV RF signal amplifier |
TV RF signal amplifier. |
2.90 |
2,411 |
| Temperature controller |
Temperature controller with LM3911. |
2.88 |
3,866 |
| Temperature measurement with NTC |
Measures temperature (for bikes) with LM3914, NTC resistor and 10 LEDs for display. |
2.92 |
2,953 |
| Third car stop light |
The simplest third car stop-light with LEDs. |
2.91 |
2,474 |
| Tilt switch |
Tilt switch like in pinball machine, using NE555. |
2.89 |
1,011 |
| Touch switch |
Simple touch switch circuit. |
2.90 |
4,197 |
| Virtual presence |
Randomly turns lights on and off. |
2.93 |
1,208 |
| Voltage level change detector |
Sensivity is in mV. |
2.90 |
1,985 |
| Water tank level indicator with alarm |
Liquid tank level indicator with audible alarm. |
2.87 |
3,614 |
| Wiper speed control |
Car wipers speed control. |
3.19 |
2,609 |
