Russ' Scope X-Y Display

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    Russ connected an MCP4822 dual 12-bit digital-to-analog converter (DAC) to the fine Tektronix 2213A oscilloscope. A program (sketch) on the Arduino microcontroller drives the DAC and generates the image by steering the scope's CRT beam along the lines in the drawing (vector-scan).

    Russ has updated the software with some animation:

    Photographed at the Bristol Hackspace:

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