/Schematics/Security devices

Title Short description Rate Download
Alarm with 4 sensors Very simple alarm with NE556 and 4 sensors. 2.89 7,131
Alarm with PIC microcontroller Some simple PIC based alarm. 2.85 6,090
Card lock for cars Electronic Card Lock system for you vehicle. 2.86 6,002
Digital combination lock Digital combination lock with two 14013 ICs. 2.87 4,862
Double sensor Senzor activated by light and vibrations. 2.87 3,057
Electronic combination lock with PIC microcontroller Electronic combination lock with PIC microcontroller and 4 access codes. 2.90 4,754
Electronic lock Electronic lock with 4022 octal counter. 2.88 3,854
Fire sensor Sensor that detects fire, hopefully not too late. 2.87 3,284
Knock-knock alarm Alarm, more of a sensor, that activates on door knocking sound. 2.89 3,283
Light activated alarm Turns alarm (buzzer) ON, when light hits the sensor. 2.86 4,174
Light sensor Another light sensor that uses NE555. 2.84 3,478
Metal detector Another metal detector. 2.86 8,366
PIR sensor PYR, motion sensor activated by body head. 2.86 4,869
SMS alarm - by Pance SMS Alarm witn GSM phone Ericsson T10. 2.86 6,952
Touch activated alarm v1 Activates alarm (buzzer) when someone comes close to the device. 2.90 9,506

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