The arduino nano sends the waveform type and frequency via SPI to the AD9833, that generates the requested waveform. While doing this, the OLED display (SSD1306) is updated by the arduino via I2C, ...
A function / signal generator based on the AD9833 function generator chip. It uses an LCDOLED screen to display a waveform menu and output frequency, and has 5 input buttons (up, down, left, right, ...
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