Dear everyone, I'm doing my final year project and was wondering whether you could help me out. I'm using a servo-electric gripper as shown below. My aim is to move the gripper manually by hand upwards and downwards and I want the distance between the 2 grippers recorded. Also, I want to set a maxi…

thinking of using servo.read() Servo.read() returns the value that was last sent to the servo with Servo.write(). It does not return where the servo is. There is no way to know the position of a standard hobby servo. You tell it where to go, give it enough time to get there and trust that it make…

Here is a short sketch that allows you to enter an angle in the serial monitor and the servo will move to that angle. You can use it to find the min and max angles. Set the serial monitor baud rate to 9600 and no line endings (see attached image). #include <Servo.h> Servo servo; const byte servoP…

sgaabdu4: Thank you so much for replying so fast! So is there no way in knowing where the position of the grippers are? Do you mean that although you send a command such as myGripperServo.write(75); it is possible that it cannot go that far because of the thing that is being gripped? If so, I t…

Yes, don't try to mechnically force the position of hobby servos, they are not designed for it and will cook themselves. If you need position feedback, you need something capable of producing position feedback such as an encoder.

They do make rc servos that have feedback. [image] Analog Feedback Servo It looks like a servo, it acts like a servo, but it's more than just a servo! We got a factory to custom-make these classic 'standard' sized hobby servos with a twist - the ... Price: $14.95 USD …

justone: They do make rc servos that have feedback. But that does not mean that they should be programmed to move farther than is possible. ...R

Robin2: But that does not mean that they should be programmed to move farther than is possible. ...R What does that have to do with my reply or the link I supplied? Maybe you should also have added that they should not be powered by the Arduino. Please advise. Just trying to help.

Robin2: But that does not mean that they should be programmed to move farther than is possible. Correct. But it does give you a way to tell if you have asked the servo to travel further than physically possible. That seems like a fairly useful ability to me. Steve

For what? To prevent toasting the motor? Should each servo command be followed by a check whether the turn was successful, and if not, a counter turn would kick in to place the servo in a reachable position, where the motor is nottoasting itself?

Servo Motor read position

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sgaabdu4 March 5, 2018, 2:36pm 3

Thank you so much for replying so fast! So is there no way in knowing where the position of the grippers are? Could I assign a maximum and minimum value distance between the 2 grippers?

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Servo Motor read position

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