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0.4.3d (and others?) Hardware SPI pins used by non SPI #4
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What's the actual use case here as there's no SPI support for things with these boards? The v0.3/0.v4 can't and won't be changed on these pins. Any change here would need to be a whole new board. |
Actual possible use case would be for SD-card logging with something like https://electropeak.com/micro-sd-tf-card-adapter-module. |
It was noted that atmega2560 hardware SPI (PB0-3) pins (arduino mega D50-D53) are used by non SPI functions (clutch input, ignition 3 output, ignition 4 output). Perhaps these circuits could be moved to other outputs to not restrict SPI usage.
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