Thread Rating:
  • 0 Vote(s) - 0 Average
  • 1
  • 2
  • 3
  • 4
  • 5
RoboDk custom driver problem
Hey guys can someone please help. We are having a problem connecting our driver to the robot arm which we will be using a arduino and custom motors. 

The connection error picture is attached below. The error we get is Error: Process failed to start. The system cannot find the file specified. (id 0 )

We worked off of this guys code .

Here is the code.

I could send over the actual .pyc code .

from robodkdriver import RoboDK, RobotSerial

class MyMultiAxisRobot(RobotSerial):

def run_command(self, cmd: str, args: tuple):
if cmd == 'CONNECT':
connected = self._connect(port=(args[0]), baud_rate=(int(args[1])))
if not connected:
return 'connection_problems'
return 'ready'
if cmd == 'DISCONNECT' or cmd == 'STOP':
disconnected = self._disconnect()
if disconnected:
return 'disconnected'
return 'ready'
if cmd == 'MOVJ':
self._send_message('{cmd} {angles}'.format(cmd=cmd, angle=(' '.join(args))))
if self._get_message('DONE'):
return 'ready'
return 'error'
if cmd == 'CJNT':
joints = self._get_message()
return 'ready'

def RunMain():

if __name__ == '__main__':

Attached Files Thumbnail(s)
I assume you have a file here:

Can you confirm?
What happens if you run this file using Python?

Once you can run your script using Python, make sure to use the same Python version in RoboDK. You can specify the Python interpreter in Tools-Options-Python.
Hey Albert yep that was the problem we had to switch the version of the python. Thanks for the help.
Hi everyone,

Dear Sir and Madams,
I need your Help. If I try to connect my robotarms, the status of the connection failed, because the system cannot find the specified file. The Error: Process failed to start: The system cannot find the specified file. (id 0)
Cannot start C:/RoboDK/api/robot/
Can you help me to solve the problem. I thank you in Advanced.
Best regards
Ahmet Eroglu
You need Python to use some robot drivers like the driver for Mecademic or to generate robot programs.

Did you install RoboDK with Python?

If so, make sure you settings are correct here:
  • Tools-Options-Python
Hi Albert,

everything is correct there, but I think I did not install RoboDK with Python.

How can I fix that?

I thank you in Advanced

Hi Albert,

First I installed RoboDK and then I installed Python. I think that is the problem or it does not matter?

Thank you in advanced
You can re-launch the RoboDK installer and select the Python option.
Find useful information about RoboDK and its features by visiting our Online Documentation and by watching tutorials on our YouTube Channel.
Hi everyone,

I got a new problem. The system is finding the file, but still not connecting. How can I fix it. 

Can you help me please!

I thank you in advance.

Attached Files Thumbnail(s)

Users browsing this thread:
1 Guest(s)