waveform capture

Minimum Mass Waveform Capture using AVR microcontroller

Leave a Comment / Metering - Instrument Projects /

Capturing repetitive waveforms at 1 million samples per second using PWM and a comparator. Download AVR Studio Source wfcao 030326 .asm The impetus for developing this technique came from my own need to capture repetitive waveforms using the least expensive and lowest part-count means possible. I wanted to be able to view the waveforms on […]

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PWM Waveform Capture using AVR microcontroller

Leave a Comment / AVR ATmega Projects, PWM Projects /

Described are the waveform capture method, example firmware and hardware designs. This material formed the basis of an article that was first published in the October, 2003 issue of Circuit Cellar magazine. The only components added to the operating Atmel AT90S2313 circuit (one capacitor and two resistors) to allow  waveform sampling with < 1 microsecond resolution

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