I'm new to Arduino and I recently started a project involving a robotic arm using servo motors. I discovered that I can manually turn the servos further than their minimum and maximum values in the programming (when I do myservo.write(0) and myservo.write(180). Why does this happen, and is there any way I can utilize that full range I get when I manually rotate the servo?
You could try using the writeMicoseconds() function instead of the write function. Then the range is more like 544 to 2400 microseconds (0 to 180 is 1000 to 2000 microseconds, default).
See also the attach function.
The circuitry in the servo takes the signal it receives and moves the motor position accordingly you will need to modify things in the motor to get it to react differently.
FYI, discusses how to operate servos.
The writeMicroseconds() min and max output the same amount of rotation as the write() function, so based on this and the other response, I'm going to assume that the servo limits programmed rotation to 180 degrees even though its capable of manually turning past 180 degrees. (idk if it changes anything but I have an MG 996R)
My MG996Rs have a manual movement greater than 180° too.
Alright, thanks.
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