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Function Generator/README.md
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# Function Generator on a RP2040. # # Function Generator on a RP2040. #
* TBD:
* Port the clock code from [here](https://www.micro-examples.com/articles/index.php?title=PicOClock) <-- Changed my mind, going for a full analogue clock face instead
* Features: * Features:
* Direct Digital Synthesis (DDS) Function Generator * Direct Digital Synthesis (DDS) Function Generator
* Dual 8 bit R-2R Digital to Analog converter * Dual 8 bit R-2R Digital to Analog converter
* 1Hz => 1MHz frequency range. * 1Hz => 1MHz frequency range.
* Variable output level (requires MCP41020 dual digital potentiometer with SPI interface) * Variable output level (requires MCP41020 dual digital potentiometer with SPI interface)
* Analog clock simulator
* Target device = Pico (also works on Pimoroni PGA2040) * Target device = Pico (also works on Pimoroni PGA2040)
* External, 3 digit, SPI display * External, 3 digit, SPI display
* Independant control of either channel through Putty terminal session over USB port * Independant control of either channel through Putty terminal session over USB port
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![Hardware](https://github.com/oddwires/RP2040/blob/master/Function%20Generator/Images/FunctionGenerator.jpg) ![Hardware](https://github.com/oddwires/RP2040/blob/master/Function%20Generator/Images/FunctionGenerator.jpg)
**Analog Clock Simulator on a CRT Oscilloscope...**
![Hardware](https://github.com/oddwires/RP2040/blob/master/Function%20Generator/Images/IMG_E1221.JPG)