Skip to main content

9-DOF IMU board (LSM303DLHC + L3GD20)

Identifiers (from photos)

  • Front silkscreen: 9 DOF
  • Back text:
    • VIN = 3.3–5V
    • LSM303DLHC Accel/Mag
    • L3GD20 Gyroscope
    • GIN = Gyro Ints, LIN = Accel Ints

Interface

  • Typically I2C (SDA/SCL)
  • Optional interrupt pins:
    • GIN (gyro interrupt)
    • LIN1/LIN2 (accel/mag interrupts)

Power

  • VIN supports 3.3–5V (per silkscreen)

Planned RAK3112 firmware block

  • Gate: GateS_9dof_lsm303_l3gd20
  • Features:
    • I2C probe both devices
    • read accel/gyro/mag
    • log scaled values

Next info needed

  • Confirm pin header mapping on your exact board (some variants swap labels). A close-up of the header labels is enough.