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FlywooF411V2 I2C Issues and glitches #7808
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HerpDerpula
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The FlywooF411V2 used in the Flywoo Explorer LR is causing some issues on iNav (iNav 3.0.1. and 4.0.0 were tested). A BMP280 barometer and Matek M8Q-5883 GPS/Magnetometer were added to the board with the baro and mag wired in parallel on the I2C bus via the SDA/SDL pads.
Behavior: iNav intermittently/randomly reports compass and barometer failures. This appears to lead to the flight controller glitching out and causing there to be no Vtx connection in the form of 1) no signal lock at all or 2) The OSD being present without the camera.
Lowering the I2C bus speed appears to make the issue worse. A second different Flywoo Explorer LR flashed on a custom user modified/compiled version of iNav 2.6 does not have this issue and performs flawlessly. It's possible that this is a hardware issue but we believe it to be software related.
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