November 2018
Beginner
472 pages
13h 5m
English
Content preview from Learn Robotics Programming
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Calibrating your servos
The servo horn allows you to see the servo motors movement. Zero should be close to the middle. First, use a screwdriver with the horn to line zero up with the middle.
If the servo motors motion is impeded, including an attempt to move it past its limits, it will pull higher currents to try and reach the position; however, this stalling can cause a lot of heat and damage to the stalled motor.
Now try entering 90 and -90. You may find the two sides are not actually reaching 90. Servo's can vary slightly. To adjust this outward, the deflect_90_in_ms value can be increased. Do so in small 0.1 increments, as going too far here may lead to servo damage.
When your servo has been calibrated, it is a good idea at this point ...
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