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Vectorscope Inspiration
We'd been thinking of doing something analog this year, because we've been heavily digital with the 2019 FPGA badge and last year's virtual retrocomputer. [Sebastian Holzapfel]'s Eurorack FPGA frontend showed us how to abuse the AK4619 ADC/DAC chip for DC voltage purposes, and our path was clearer still.
Finally, [Schneider] showed us the prototypes for the flow3r badge for this summer's Chaos Camp in Berlin, and we needed to make a vintage round-screen scope. Besides, we'd been looking for an excuse to try out those round screens since seeing [Scott Bezek]'s SmartKnob. How could we resist?
