/tag-en/alarm

Title Short description
Alarm with 4 sensors Very simple alarm with NE556 and 4 sensors.
Alarm with PIC microcontroller Some simple PIC based alarm.
GSM SMS alarm GSM SMS alarm - module with 5 inputs/sensors.
GSM call alarm GSM call alarm - module with 1 sensor.
SMS alarm - by Pance SMS Alarm witn GSM phone Ericsson T10.
Small electronic siren v2 Small electronic siren with NE562.
Tiny GSM alarm system GSM based Call and SMS alarm system that can operate standalone or as a GSM alerter module to existing alarm system.
Touch activated alarm v1 Activates alarm (buzzer) when someone comes close to the device.
Touch activated alarm v2 Activates alarm when someone comes close to the device.
Touch activated alarm v3 Activates an alarm by touch of a hand.
Two tone siren v1 Two tone siren using two NE555 ICs.
Two tone siren v2 Two-tone siren with CMOS IC 40106.
Two tone siren v3 Two tone siren using two NE555 timer ICs.
Wireless car alarm A very simple wireless car alarm device.

Page:

site friends

sponsored links

ads