Cable-driven parallel robot (CDPR)

I need to run 4 cable robot system on rapsberri pi 3(fell free to suggest a better solution), so raspberry pi3 runs stepper drivers and reads analogue joysticks, or any hobby radio transmitter with cppm\pwm output. All kinematics equations will be provided if needed(it`s opensource). Feel free to port any existing Arduino project.

I got following questions

1 - if there is enough outputs on raspberri pi 3 B to control 4 stepper motors, and if it`s possible to use expansion (HAT) boards.

2 - What is the better solution to operate this machine?, i need 2 joysticks to control horizontal plane and to move it up and down, so it`s better to read joysticks with raspberri pi through ADC converter or it`s possible to connect regular RC transmitter via its cppm / pwm output so it will work wirelessly let`s say from turnigy 9x transmitter without any modification and raspberri pi3 will just read cppm signal and we can control up to 8 parameters through 1 wire.

3 - i have 4 stepper drivers drv8825 sitting on arduino cnc shield v3, we also can use it if needed. The only thing i don't want to involve is arduino because it`s lag, i need to avoid delays on joystick reactions.

Evner: Arduino, Elektronik, Microcontroller, Python, Raspberry Pi

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Om arbejdsgiveren:
( 0 bedømmelser ) Dnipropetrovsk, Ukraine

Projekt ID: #20070501

8 freelancere byder i gennemsnit $159 på dette job


Hello there, i am an Electrical Engineer by profession and have been doing Arduino projects for quite a while now. I have used these stepper driver many times and yes 4 steppers can be controlled by one raspberry pi. Flere

$222 USD in 3 dage
(26 bedømmelser)

Hi, I am a hardware design engineer. Previously I did several adc read and servo control projects with raspberry pi and arduino. We can work together in this project and we can come up a good solution. We can discuss Flere

$110 USD in 8 dage
(3 bedømmelser)

Hey im quite interested in your project. I have a couple of suggestion if you are having problem with lagging in arduino then use stm32 controller. This would be quite nice and would work quite fast. For more informati Flere

$140 USD in 7 dage
(1 bedømmelse)

I made similar project during my undergrad. So you have raspberry pi as one of your option but I would suggest you to go with arduino. Arduino has RTOS as compared to the raspberry which does great at stuff like remote Flere

$144 USD in 3 dage
(1 bedømmelse)

Hi, I've carefully checked your requirements and really interested in this job. I'm full stack node.js developer working at large-scale apps as a lead developer with U.S. and European teams. I'm offering best qualit Flere

$205 USD in 5 dage
(0 bedømmelser)

Hi!I'm very happy to have a chance of bidding your [login to view URL] can we talk?Please schedule a time? I am an excellent developer in this industry. If we work together, I will satisfy you fully. Please give me 10 minutes Flere

$140 USD in 7 dage
(0 bedømmelser)

i'm software engieneer i'm so intersting to help you with your project I have many projects based on arduino like Smart meter, smart home using many sensors humidity, temperature,motion,tft touch screen,lcd.i have ex Flere

$150 USD på 1 dag
(0 bedømmelser)

This was my finaly year project. Instead of joystick I used camera to interorete the environment and drive it avoiding obstacles using camera inputs. I just have to use a joystick instead of camera. Looking forward. th Flere

$160 USD in 10 dage
(0 bedømmelser)