Questions tagged [encoding]

The tag has no usage guidance.

Filter by
Sorted by
Tagged with
2
votes
1answer
980 views

Need super-basic help with motor encoder

So I have this motor: https://www.servocity.com/23-rpm-hd-premium-planetary-gear-motor-w-encoder and this motor shield for my arduino uno: https://www.pololu.com/docs/pdf/0J49/...
2
votes
2answers
633 views

Mechanical odometer with digital output

I would like to mechanically measure the distance a kids electric ATV traveled. The ATV will not be used with kids but as a mobile robot instead. It has a common rear axle for both rear wheels which I ...
1
vote
1answer
498 views

Exoskeleton Drive System Help [closed]

I am currently working on an exoskeleton. The exoskeleton is going to help kids with cerebral palsy learn to walk 4 years sooner than traditional therapy. Currently we are using 2 Ame 226-3003 with ...
4
votes
3answers
1k views

Can I reuse the hall sensors in a brushless motor as an encoder?

I have upgraded the motors in my robotic arm to sensored, brushless RC car motors. The hope was to reuse the Hall sensors to double as a rotary encoder, by tapping 2 Hall sensors and treating the 2 ...
2
votes
1answer
317 views

Dead reckoning on a car-like robot with a gyro and only one encoder

Recently I began to build a car-like robot and I stumbled upon dead reckoning. I use one motor for steering and one for traction. I want to be able to get the position of the robot. From what I have ...
5
votes
3answers
6k views

Limits of PWM, Timers and Interrupts?

I have a robot with two wheels/motors and each has a quadrature encoder for odometry. Using the wheel/motor/encoder combo from Pololu, I get 48 transition changes per rotation and my motors give me a ...
18
votes
4answers
18k views

How can I use the Arduino PID library to drive a robot in a straight line?

I would like to create an Arduino based robot with 2 wheels, quadrature encoders on each wheel, a H-bridge driver chip (or motor controller) and a caster. I want to use the PID library to ensure the ...
6
votes
3answers
1k views

How do I measure the distance that a cord (string) has moved?

For a pet project, I am trying to fly a kite using my computer. I need to measure how far a cord extends from a device. I also need to somehow read out the results on my computer. So I need to ...