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