[sdiy] Rotary Switch -> illuminated PB w/ multicolor LED?

Tom Wiltshire tom at electricdruid.net
Fri Feb 18 15:37:38 CET 2022

> On 18 Feb 2022, at 12:51, Steve via Synth-diy <synth-diy at synth-diy.org> wrote:
> Roman Sowa:
>> Isolators? What isolators?
>> It's hardwired to computer chassis via USB, so watch out for shortages
>> with other power sources.
>> Here's a picture of ICD3 innards. I have no idea what's inside ICD4
>> though.
>> http://www.synthdiy.eu/files/icd3.jpg
>> Xilinx Spartan XC3S100E
>> dsPIC33FJ256GP510
> Well at least there's an FPGA in there, I didn't expect it.
> The ST debuggers just have one of the cheaper STM32s in there and that's it.
> So I wonder what magic the FPGA does, or what's more complicated/tricky
> about programming a PIC than a STM32 :-)

Nothing apparently, since the PICKit3 manages to program the chips using just a PIC24F. So I also wonder what magic the FPGA does. It's expensive magic, whatever it is.

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