/Schematics/Security devices

Title Short description Rate Download
Alarm with 4 sensors Very simple alarm with NE556 and 4 sensors. 2.91 7,244
Alarm with PIC microcontroller Some simple PIC based alarm. 2.88 6,194
Card lock for cars Electronic Card Lock system for you vehicle. 2.91 6,056
Digital combination lock Digital combination lock with two 14013 ICs. 2.92 4,947
Double sensor Senzor activated by light and vibrations. 2.92 3,103
Electronic combination lock with PIC microcontroller Electronic combination lock with PIC microcontroller and 4 access codes. 2.92 4,838
Electronic lock Electronic lock with 4022 octal counter. 2.93 3,933
Fire sensor Sensor that detects fire, hopefully not too late. 2.92 3,341
Knock-knock alarm Alarm, more of a sensor, that activates on door knocking sound. 2.95 3,365
Light activated alarm Turns alarm (buzzer) ON, when light hits the sensor. 2.89 4,251
Light sensor Another light sensor that uses NE555. 2.88 3,575
Metal detector Another metal detector. 2.89 8,624
PIR sensor PYR, motion sensor activated by body head. 2.88 4,946
SMS alarm - by Pance SMS Alarm witn GSM phone Ericsson T10. 2.93 7,033
Touch activated alarm v1 Activates alarm (buzzer) when someone comes close to the device. 2.91 9,626

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