Useful Circuit Diagrams - Video Transmitter, Power Supply and GPS Tracker
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A little something different for today’s article, and maybe something to play around with if you have some time this weekend. I’ve found you all some circuits and construction information for Video Transmitters, a 5V power supply, and a GPS tracker.
VHF Audio Video Transmitter - A really simple audio and video transmitter for creating your own video sender. The VHF band is typically available on older TVs, since most newer TVs are only able to tune into UHF signals.
VHF Video Transmitter - a more powerful, but still simple video transmitter circuit.
Vehicular 5V Power - a regulated 5V power supply capable of smoothing the spikes in a vehicle’s 12V power supply. Useful for many microcontroller projects which require a stabilised power supply so that you don’t fry the chip. Microcontrollers can be used for many security projects, such as remote control bugs, sounds activated bugs, controlling devices with relays, alarm systems, etc.
AVR based GPS Tracker - A location tracker using an AVR microprocessor that integrates a GPS module with a GSM module. You call up the GSM module, and then it replies by sending the GPS coordinates to your phone in a text message. Please note: the destination site requires free registration to access the information.
