| Alarm with 4 sensors |
Very simple alarm with NE556 and 4 sensors. |
2.86 |
4,550 |
| Alarm with PIC microcontroller |
Some simple PIC based alarm. |
2.85 |
3,722 |
| Card lock for cars |
Electronic Card Lock system for you vehicle. |
2.76 |
4,595 |
| Digital combination lock |
Digital combination lock with two 14013 ICs. |
2.83 |
3,305 |
| Double sensor |
Senzor activated by light and vibrations. |
2.78 |
1,955 |
| Electronic combination lock with PIC microcontroller |
Electronic combination lock with PIC microcontroller and 4 access codes. |
2.88 |
3,131 |
| Electronic lock |
Electronic lock with 4022 octal counter. |
2.85 |
2,663 |
| Fire sensor |
Sensor that detects fire, hopefully not too late. |
2.79 |
2,528 |
| Knock-knock alarm |
Alarm, more of a sensor, that activates on door knocking sound. |
2.85 |
1,983 |
| Light activated alarm |
Turns alarm (buzzer) ON, when light hits the sensor. |
2.85 |
2,579 |
| Light sensor |
Another light sensor that uses NE555. |
2.83 |
1,755 |
| Metal detector |
Another metal detector. |
2.79 |
5,391 |
| PIR sensor |
PYR, motion sensor activated by body head. |
2.77 |
3,213 |
| SMS alarm - by Pance |
SMS Alarm witn GSM phone Ericsson T10. |
2.83 |
3,870 |
| Touch activated alarm v1 |
Activates alarm (buzzer) when someone comes close to the device. |
2.82 |
7,028 |
