RYS352A GPS on UART2 (GPIO5/6) with PPS interrupt (GPIO7), MPU-9250 IMU and BMP388 barometer on shared I2C bus (GPIO8/9). Sensor data exposed via dedicated BLE service with binary notify characteristics alongside the existing NUS serial bridge. Sensors degrade gracefully if not wired.
Description
Winegard satellite dish control for amateur radio sky tracking
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