Radio Projects

Remote Controlled (R/C) Airplane LED Flasher using ATTINY12 microcontroller

Downloads Download the AVRStudio assembly source for the program: T12astrobe081028A Download the AVRStudio assembly source for the include file: T12astrobe081028A.hex Find updates at www.projects.cappels.org Overview This was designed to flash a pair of LEDs to be mounted on the wing tips of a Parkzone Citabria R/C (remote control) airplane. The unmodified Parkzone Citabria only weights  […]

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Broadband RF Field Strength Probe using Atmel AT90S1200A AVR controller

Download auto-zero assembly code This broadband probe has a small antenna (about a 15 cm length of insulated wire). Radio Frequency energy coupled to the antenna is detected and made available to drive millivolt level signals to the input of a DVM (Digital Volt Meter). Its battery powered for convenience with very low current drain

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AM radio transmission using AVR using Atmega324 microcontroller

AM radio transmission using AVR using Atmega324 microcontroller

When you think about building a radio transmitter circuit, the first thing that comes in mind is it requires too many analog components. But wait a minute, this guy demonstrates an AM transmission using a microcontroller. The interesting part is it uses a plant as an antenna for transmission. This project is based on Atmega324

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Build your own Wifi radio using Microcontroller ATmega16

Build your own Wifi radio using Microcontroller ATmega16

The internet hosts lots and lots of online radiostreams, most of them with a certain theme, ranging from old time classics to Tibetian riverdancing. I must admit that I love to listen to them while I’m building stuff, as I can choose the music I like without listening to the same cd’s over and over

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Transform a Cheap RC Transmitter With Custom Firmware

Transform a cheap RC Transmitter with Custom Firmware using ATMEGA64 Microcontroller

The Turnigy 9x is a cheap Chinese radio transmitter widely sold by hobby king and other retailers under a variety of names. This is a computerized radio transmitter and is already a great deal for the price ($53 currently) and pretty capable if you can figure out how to use the stock firmware. The microcontroller

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