/Schematics/Security devices

Title Short description Rate Download
Alarm with 4 sensors Very simple alarm with NE556 and 4 sensors. 2.87 7,180
Alarm with PIC microcontroller Some simple PIC based alarm. 2.84 6,123
Card lock for cars Electronic Card Lock system for you vehicle. 2.84 6,023
Digital combination lock Digital combination lock with two 14013 ICs. 2.86 4,884
Double sensor Senzor activated by light and vibrations. 2.85 3,072
Electronic combination lock with PIC microcontroller Electronic combination lock with PIC microcontroller and 4 access codes. 2.90 4,777
Electronic lock Electronic lock with 4022 octal counter. 2.87 3,878
Fire sensor Sensor that detects fire, hopefully not too late. 2.86 3,302
Knock-knock alarm Alarm, more of a sensor, that activates on door knocking sound. 2.87 3,314
Light activated alarm Turns alarm (buzzer) ON, when light hits the sensor. 2.84 4,207
Light sensor Another light sensor that uses NE555. 2.83 3,502
Metal detector Another metal detector. 2.84 8,445
PIR sensor PYR, motion sensor activated by body head. 2.84 4,898
SMS alarm - by Pance SMS Alarm witn GSM phone Ericsson T10. 2.84 6,979
Touch activated alarm v1 Activates alarm (buzzer) when someone comes close to the device. 2.88 9,545

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