Search found 1335 matches

by Basicmicro Support
Mon Mar 09, 2020 10:46 am
Forum: General Discussion
Topic: Jetson Nano RoboClaw Control
Replies: 5
Views: 1432

Re: Jetson Nano RoboClaw Control

Input power to the Jetson wont determine the output power of a single I/O pin. So how you power the board as long as it is reasonable for the power draw shouldnt matter. Teh above post mentions the Jetson has a drive current of 1ma. That is very low. In those cases you may need a buffer chip to conv...
by Basicmicro Support
Mon Mar 09, 2020 10:43 am
Forum: General Discussion
Topic: Total Power = VxIxPWM or just VxI ?
Replies: 2
Views: 463

Re: Total Power = VxIxPWM or just VxI ?

The current is always the current. PWM Duty has no effect on the current(on a pulse by pulse basis) because current doesnt like to change. Even when the PWM pulse is low(eg the high side mosfet is off) current is still flowing. The voltage the motor sees is determined by the Duty(as a percent) * the...
by Basicmicro Support
Wed Mar 04, 2020 2:25 pm
Forum: Velocity and Position Control
Topic: Very short distance ((accel + deccel distance) > distance_to_go)
Replies: 1
Views: 628

Re: Very short distance ((accel + deccel distance) > distance_to_go)

Properly calculating distance for the first distance command is tricky. It is documented in this sticky: viewtopic.php?f=2&t=46

Position commands do all that work for you so If you are doing nothing but small movements I'd recommend using position commands.
by Basicmicro Support
Wed Mar 04, 2020 2:24 pm
Forum: General Discussion
Topic: Read Functions with USB-TTL
Replies: 1
Views: 524

Re: Read Functions with USB-TTL

Glad you figured it out. Let me know if you need anything else. :)
by Basicmicro Support
Mon Mar 02, 2020 10:15 am
Forum: General Discussion
Topic: Default packet address not changing
Replies: 1
Views: 419

Re: Default packet address not changing

Changes to the packet address will not take effect until the unit is power cycles. So change the settings. Then go to the Device menu and click Write Settings, then disconnect from the unit, power cycle the board and reconnect. The address should now be set to the one you specified. This is the only...
by Basicmicro Support
Mon Mar 02, 2020 10:13 am
Forum: Velocity and Position Control
Topic: Arduino Roboclaw position control code not working
Replies: 1
Views: 384

Re: Arduino Roboclaw position control code not working

You need to make sure it works in Motion Studio first. Based on your description you have not set a min and max position limit. This means the movement range is 0 so it will not move. Change the min and max position limits to something reasonable and then re-test in Motion studio. Once you get it wo...
by Basicmicro Support
Fri Feb 28, 2020 11:16 am
Forum: General Discussion
Topic: Issues with home/limit switches
Replies: 1
Views: 390

Re: Issues with home/limit switches

I believe I already talked with you on the phone however just in case that wasnt you... This definitely sounds like a debounce issue. Some switchs are pretty bad when it comes to that. Using an RC filter was the right idea but if you have to use such a large cap to debounce you may need something mo...
by Basicmicro Support
Fri Feb 28, 2020 11:12 am
Forum: General Discussion
Topic: Roboclaw 2X15 and Raspberry PI
Replies: 1
Views: 349

Re: Roboclaw 2X15 and Raspberry PI

I believe I already talked with you on the phone about this but just in case... We have a number of articles available in Resources on our main website that can help get started with RPi. Unforuntately we dont currently have a turn key test program for the RPi. I will be talking with our primary art...
by Basicmicro Support
Fri Feb 28, 2020 11:10 am
Forum: General Discussion
Topic: RoboClaw 2x60A (V6C) Low Logic Battery Error on startup
Replies: 1
Views: 336

Re: RoboClaw 2x60A (V6C) Low Logic Battery Error on startup

When NOT using hte logic battery input, it is possible under some conditions that the Logic Battery input will float. If it floats higher than 3v it can cause a false LB error. The correct fix for this is to short(and leave shorted) the LB+- pins. There is a diode in circuit with the LB+ pin so no p...
by Basicmicro Support
Tue Feb 25, 2020 9:55 am
Forum: General Discussion
Topic: E-Stop Reset by Python
Replies: 1
Views: 1224

Re: E-Stop Reset by Python

To Stop the motors as fast as an E-Stop signal would using python, use the DutyM1M2 function. Set duty to 0 for both motors.

Note: E-Stop Reset is to clear an already triggered E-Stop. E-Stop can only be triggered from an external pin.