Servos moving erratically: Check all your ground connections. If your powering the servos with a different power source than the Arduino, they need to share the same ground or the PWM signals will corrupt between the Arduino and servos.
- The arm performs the movements but in reverse order: Reset the Arduino if your using one power source. If you have 2 power sources, power everything off then back on.
- Routine starts correctly but repeats the beginning motions: You recorded a routine that filled up the EEPROM so the commands of what would have been the end of the routine were lost in the bitbucket. Record shorter motion routines.
- LED doesn't turn on when record button is pressed: Double check the record button circuit, if it's good then give it a moment after calibration before pressing the record button - there is a delay and you may be pressing the button during that delay.
This guide was first published on Nov 12, 2013. It was last updated on Nov 12, 2013.
This page (Troubleshooting) was last updated on May 12, 2021.
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