| Wireless car alarm |
A very simple wireless car alarm device. |
2.92 |
10,717 |
| Touch activated alarm v1 |
Activates alarm (buzzer) when someone comes close to the device. |
2.90 |
9,638 |
| Metal detector |
Another metal detector. |
2.90 |
8,650 |
| Alarm with 4 sensors |
Very simple alarm with NE556 and 4 sensors. |
2.91 |
7,253 |
| SMS alarm - by Pance |
SMS Alarm witn GSM phone Ericsson T10. |
2.93 |
7,043 |
| Alarm with PIC microcontroller |
Some simple PIC based alarm. |
2.88 |
6,205 |
| Card lock for cars |
Electronic Card Lock system for you vehicle. |
2.93 |
6,062 |
| Digital combination lock |
Digital combination lock with two 14013 ICs. |
2.91 |
4,958 |
| PIR sensor |
PYR, motion sensor activated by body head. |
2.90 |
4,952 |
| Electronic combination lock with PIC microcontroller |
Electronic combination lock with PIC microcontroller and 4 access codes. |
2.92 |
4,848 |
| Touch activated alarm v3 |
Activates an alarm by touch of a hand. |
2.88 |
4,678 |
| Light activated alarm |
Turns alarm (buzzer) ON, when light hits the sensor. |
2.90 |
4,257 |
| Electronic lock |
Electronic lock with 4022 octal counter. |
2.95 |
3,946 |
| Light sensor |
Another light sensor that uses NE555. |
2.88 |
3,585 |
| Knock-knock alarm |
Alarm, more of a sensor, that activates on door knocking sound. |
2.95 |
3,377 |
