Function Generator using PIC16F870 microcontroller

Sine Triangle Square Saw Burst Sweep Noise - runs on a PIC16F870 After the recent demise of our multifunction signal generator, we decided to make one of our own.   The circuit uses a PIC16F870 (about $3), an R/2R resistor ladder network (for a real fast and cheap D/A),  and a few other parts. You can check out the schematic and the current source file.  Also the object (hex) file.  All of the sine wave fun ...

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