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module mcu
rusefillc edited this page Jul 26, 2022
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See also notes at https://github.com/rusefi/rusefi/blob/master/firmware/config/boards/hellen/hellen_meta.h
5v
5v for analog sensors based on LC-filtered 5v input. This way we isolate op-amp power supply from sensor and etc noises.
🛑 NOT protected against grounding
🛑 NOT protected against +12 back-feed
Random note: mcu 144 v0.5 has approximately 6 totally unused/not connected stm32 GPIO pins
mcu 176 v0.5 has approximately 16 totally unused/not connected stm32 GPIO pins
See also module-input for analog inputs info
rev 0.6:
- Improved 5v sensor output protection see https://github.com/andreika-git/hellen-one/blob/master/CHANGELOG.md#mcu-06-and-mcu144-06