/Schematics/Security devices

Title Short description Rate Download
Alarm with 4 sensors Very simple alarm with NE556 and 4 sensors. 2.87 7,053
Alarm with PIC microcontroller Some simple PIC based alarm. 2.86 6,033
Card lock for cars Electronic Card Lock system for you vehicle. 2.84 5,974
Digital combination lock Digital combination lock with two 14013 ICs. 2.87 4,802
Double sensor Senzor activated by light and vibrations. 2.86 3,034
Electronic combination lock with PIC microcontroller Electronic combination lock with PIC microcontroller and 4 access codes. 2.89 4,713
Electronic lock Electronic lock with 4022 octal counter. 2.85 3,816
Fire sensor Sensor that detects fire, hopefully not too late. 2.85 3,263
Knock-knock alarm Alarm, more of a sensor, that activates on door knocking sound. 2.90 3,245
Light activated alarm Turns alarm (buzzer) ON, when light hits the sensor. 2.85 4,133
Light sensor Another light sensor that uses NE555. 2.84 3,406
Metal detector Another metal detector. 2.84 8,239
PIR sensor PYR, motion sensor activated by body head. 2.85 4,832
SMS alarm - by Pance SMS Alarm witn GSM phone Ericsson T10. 2.86 6,911
Touch activated alarm v1 Activates alarm (buzzer) when someone comes close to the device. 2.89 9,430

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