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* Development + Debug environment: * Development + Debug environment:
* VSCode on Win 7 * VSCode on Win 7
* OpenOCD and GDB * OpenOCD and GDB
* Picoprobe running on PI Pico providing SWG debugger for target device * Picoprobe running on PI Pico providing SWG debugger
* Target dievice changed from Pi Pico to Pimoroni PGA2040 to provide more GPIO pins. * Direct digital synthesis (DDS) Function Generator
* Nixie tube display * Target device = Pimoroni PGA2040 to maximise GPIO connections
* Multiplexed to reduce hardware * Nixie tube display with 170 volt SMPU
* 170 volt PSU for tubes created from 4 x 1.5v batteries + custom SMPS * Digital level control
* 8 bit R2R ADC creating various waveform outputs for oscilloscope display * 8 bit R2R Analog to Digital converter
![Hardware](https://user-images.githubusercontent.com/3483157/163587205-dd22d308-fde1-4668-b7d6-f42ee1dcb94b.JPG) ![Hardware](https://github.com/oddwires/RP2040/blob/master/Function%20Generator/Images/FunctionGenerator.jpg)
(and my repaired GEC MiniScope)