The Simple Wireless Security System is a security system that includes a ZigBee wireless door sensor and a PC interface. The door sensor mounts near the garage doors, and it detects the open/closed state using reed switches and magnets. The Atmel Attiny45 microcontroller fits in nicely with design because of its small size, low pin […]
This accurate clock project is developed based on the GPS Receiver which captures a time signal from the U.S. government’s global positioning system (GPS) satellites and parses it to extract time syntaxes from NMEA string to finally display on 7-segment displays. The transmitter on GPS clock then broadcasts the time to every other nearby wireless […]
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