To bring up the Calibration Wizard in Standalone Mode, press the micro:bit logo and green Play button together.
The letter F will display on the LED screen.
Press green Play button and Roversa will move forward.
If Roversa drifts right, press the Left arrow button a couple of times. Then press Play button to test. Repeat steps until Roversa drives straight.
If Roversa drifts left, press the Right arrow button a couple of times. Then press Play button to test. Repeat steps until Roversa drives straight.
Press the Menu button to save this calibration and move to next check.
The letter T will display on the LED screen.
Press green Play button and Roversa will turn in a circle.
If Roversa turns more than 360 degrees, press the Left arrow button a couple of times. Then press Play button to test. Repeat steps until Roversa turns 360 degrees.
If Roversa turns less than 360 degrees, press the Right arrow button a couple of times. Then press Play button to test. Repeat steps until Roversa turns 360 degrees.
Press the Menu button to save this calibration and move to next check.
The letter D will display on the LED screen.
Press green Play button and Roversa will move forward one step.
If Roversa goes too far, press the Left arrow button a couple of times. Then press Play button to test. Repeat steps until Roversa drives the correct distance.
If Roversa doesn't go far enough, press the Right arrow button a couple of times. Then press Play button to test. Repeat steps until Roversa drives the correct distance.
Press the Menu button to save this calibration.
A check-mark will appear and you are ready to code with Roversa.