| GSM sniffer |
Locate a GSM phone. |
2.94 |
36,858 |
| RS232 serial interface |
Cable for connecting Siemens S25 to a PC's serial port. Universal RS232 interface. |
2.94 |
2,379 |
| Geiger counter v3 |
Very good Geiger counter. It uses GM tube. |
2.93 |
1,569 |
| Temperature measurement with NTC |
Measures temperature (for bikes) with LM3914, NTC resistor and 10 LEDs for display. |
2.93 |
2,949 |
| Schmitt triger |
Schmitt triger as a filter. |
2.93 |
802 |
| Strain-gage sensor |
Strain-gage sensor 4-20mA. |
2.93 |
822 |
| Electronic fish luire |
Electronic fish luire circuit. |
2.93 |
5,449 |
| Digital voltmeter |
Voltmetar with a single IC ICL7129ACPL A/D converter. |
2.93 |
4,786 |
| Zero crossing detector |
Detect when ~ signal is zero. |
2.93 |
1,974 |
| PC controller |
Control relays via PC LPT parallel port. |
2.93 |
3,233 |
| Antiradar RF |
Car radar detector circuit. |
2.93 |
29,498 |
| Signal generator |
Device that generates signal based on RC values. |
2.93 |
1,905 |
| Metal detector/seeker |
Metal detector circuit. |
2.93 |
9,111 |
| Elektro-shocker with NE555 10-15kV |
Electro-shocker 10-15kV with NE555 at 12V. |
2.93 |
10,595 |
| Virtual presence |
Randomly turns lights on and off. |
2.92 |
1,206 |
