/Schematics/Security devices

Title Short description Rate Download
Alarm with 4 sensors Very simple alarm with NE556 and 4 sensors. 2.88 7,094
Alarm with PIC microcontroller Some simple PIC based alarm. 2.85 6,058
Card lock for cars Electronic Card Lock system for you vehicle. 2.85 5,988
Digital combination lock Digital combination lock with two 14013 ICs. 2.88 4,820
Double sensor Senzor activated by light and vibrations. 2.86 3,045
Electronic combination lock with PIC microcontroller Electronic combination lock with PIC microcontroller and 4 access codes. 2.90 4,735
Electronic lock Electronic lock with 4022 octal counter. 2.86 3,830
Fire sensor Sensor that detects fire, hopefully not too late. 2.86 3,277
Knock-knock alarm Alarm, more of a sensor, that activates on door knocking sound. 2.89 3,260
Light activated alarm Turns alarm (buzzer) ON, when light hits the sensor. 2.85 4,158
Light sensor Another light sensor that uses NE555. 2.83 3,436
Metal detector Another metal detector. 2.85 8,306
PIR sensor PYR, motion sensor activated by body head. 2.86 4,850
SMS alarm - by Pance SMS Alarm witn GSM phone Ericsson T10. 2.86 6,937
Touch activated alarm v1 Activates alarm (buzzer) when someone comes close to the device. 2.89 9,474

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