Trim Wheel for Flight Simulator using AS5048A and Teensy 3.2
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TrimWheel for flight simulator Rob Dobson 2017

Using a Teensy 3.2 which makes this super easy. Also an AS5048A rotation sensor Specifically the evaluation board shown on this page

Connections to Teensy 3.2

AS5048A Board Teensy 3.2 GND GND 3V3 3V3 5V 3V3 MOSI DOUT (11) MISO DIN (12) SCK SCK (13) SDA CS (10) PWM N/C

Program the Teensy with the Arduino IDE, selecting:

  • board type Teensy 3.2
  • USB Type: "Serial + Keyboard + Mouse + Joystick"
  • CPU speed 24 MHz (didn't work at highest rate)

Plug the teesny into USB on flight simulator computer. It should appear as SerialKeyboardMouseJoystick or similar Follow instructions for adding any trim wheel such as Saitek - e.g. Youtube video here

More details at