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* actual notesdakkar2020-08-21
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* using arduino-esp32 branch esp32s, it plays!dakkar2020-08-21
| | | | that branch exposes the "cosine wave generator", so I don't have to
* this makefile finally worksdakkar2020-08-21
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* maybe correct board in makefile?dakkar2020-08-21
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* use correct dacdakkar2020-08-21
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* maybe make it play a sounddakkar2020-08-21
| | | | also, all the pins
* we can sense quite fast!dakkar2020-08-20
| | | | | 1ms between reads means a full scan of the 5×5 matrix takes ~25ms, so about 40Hz sampling for the entire keyboard. Should be enough!
* Add 'esp32/' from commit '90fb5981770fb75a4d3e7eefed28eaf47a8730ab'dakkar2020-08-20
git-subtree-dir: esp32 git-subtree-mainline: 4704c406483377353cfbbcb86dec742c23bbf6c9 git-subtree-split: 90fb5981770fb75a4d3e7eefed28eaf47a8730ab