Share 'AC3.1 & blown 3.3V regulator (was AC3.1-rc5 SPI speed problem)'
This is a discussion re the bad Accel, Gyro and Baro values that we're seeing with ArduCopter-3.1. The increase in the SPI bus speed from 500khz to 8Mhz has exposed a hardware problem on some boards. That hardware problem is that the 3.3V regulator has been blown so all sensors are running at 5V instead of the intended 3.3V. How have these regulators been burnt out? Attaching a radio recei…
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