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- All power input connectors are 2-pin Molex Micro Fit (with the correct GND/PWR orientation)
- Unless higher current is required, under special circumstances
- Easy attachment point for an oscilloscope probe GND - test points with the 'test point' part from digikey work well
- Make sure there are enough GND test points!
- I2C
- SPI
- etc
Headers and pins for all communication protocols - for now, 0.1" headers, to standardize on a debug connector
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