The iPad screen flasher download uses the iPad’s screen to flash the program’s
code to the line tracking sensor. A few things can affect how well this works.
• Ambient Light – Move away from any bright direct and indirect sunlight.
• Screen brightness setting – experiment with different brightness levels between
50% and 100%
• Age of iPad – Older iPads have slower screens. Set the speed setting to ‘reliable’
If your computer only has USB-C ports you will need a USB-C to USB-A adaptor.
On occasion, you may need to straighten the drive of your Edison robot. If you are
having trouble with how Edison is driving, such as the robot is not driving straight,
you will need to perform a drive calibration on the robot.
Full instructions and the resources you need for your version robot can be found at
https://meetedison.com/edison-robot-support/drive-calibration/
If you are having trouble with a line tracking program, check the following:
• Only use non-glossy paper and, if laminating the paper, only use a matte-finish
laminate.
• Edison will be best able to follow a line if that line is a very dark colour (such as
black), approximately 1.5cm (0.6 inches) wide and found on a white background.
• Always start the robot on the white background, never on the line itself.
• Avoid running line tracking programs in very bright light, such as sunlight, as this
can negatively affect the program.
• Double-check your program to ensure you have the line tracking sensor turned
on.
If you are having trouble with an obstacle detection program, check the following:
• Ensure that your Edison robot’s obstacle detection is properly calibrated using
the barcode and instructions available at https://meetedison.com/obstacle-
detection-calibration/.
• Edison will be best able to detect obstacles which are opaque but not too dark
(e.g. not black) and at least as tall as Edison.
• Avoid running obstacle detection programs in very bright light, such as sunlight,
as this can negatively affect the program.
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