Comments by Jon

  • New product: CH Robotics UM7-LT orientation sensor

    New product: CH Robotics UM7-LT orientation sensor

    - 28 July 2015

    Hello, nihuyaka.

    We do not know the details of how the firmware for the UM7-LT was developed. You might try contacting the manufacturer, CH Robotics, to learn more about that.

    -Jon

  • Video: Zumo 32U4 Robot Example Projects

    Video: Zumo 32U4 Robot Example Projects

    - 21 July 2015

    Hello, David.

    Yeah, unfortunately we do not have an example for balancing an older robot using the Zumo shield. But if you want to try writing your own script, you could get a good start by taking a look at the Zumo32U4's Balancing sketch. If you get stuck, you might try posting to our forum:

    http://forum.pololu.com/viewforum.php?f=29

    -Jon

  • Jon's line following robot: Usain Volt 2.0

    Jon's line following robot: Usain Volt 2.0

    - 7 May 2015

    Hello, Ted.

    I did not have trouble uploading to the A-Star 32U4 Prime while working on my robot. However, in general, sometimes if the serial monitor window is left open while unplugging and replugging the A-Star, there can be problems. Those problems can be fixed by unplugging USB, closing all programs that might be using the serial port, and trying again. If you want help troubleshooting your particular problem, you can ask for help on our forum.

    -Jon

  • New product: AltIMU-10 v4 gyro, accelerometer, compass, and altimeter

    New product: AltIMU-10 v4 gyro, accelerometer, compass, and altimeter

    - 27 April 2015

    Hello, Juan.

    Thank you for your interest in our sensors. We do not have any MinIMU-9 or AltIMU-10 examples for dsPIC microcontrollers. All of the coding examples we have available for our sensors can be found under the "Resources" tab of their product pages.

    -Jon

  • New products: Magnetic quadrature encoders for micro metal gearmotors

    New products: Magnetic quadrature encoders for micro metal gearmotors

    - 24 February 2015

    Thanks for checking back. We should have some relevant and exciting news in the next week or two; keep an eye on our blog!

    -Jon

  • New product: Sharp GP2Y0A51SK0F Analog Distance Sensor 2-15cm

    New product: Sharp GP2Y0A51SK0F Analog Distance Sensor 2-15cm

    - 12 February 2015

    Hello, Nathan.

    Thanks for letting us know what it was like working with them. That sounds like a fun project! If you have pictures or a write-up of it, it would be great if you shared it on our forum.

    -Jon

  • Learning PID values using simulated annealing

    Learning PID values using simulated annealing

    - 2 February 2015

    Hello.

    If you follow the link to the YouTube page for the video, you can click the "SHOW MORE" button beneath the video to find links to the code inside the description of the video.

    -Jon

  • New product: SparkFun Weather Shield for Arduino

    New product: SparkFun Weather Shield for Arduino

    - 30 January 2015

    Hello.

    It sounds like you are talking about the 5V and 3.3V connections on the right hand side of the shield. It looks like the 3.3V pin is not connected to the output of the 3.3V regulator, but just connected to the Arduino's 3.3V output. If you are supplying 5V on the VIN pin, the weather sensors on the board should still be getting power. Also, the 5V line is intended to be supplied from the Arduino, but it looks like it is only needed for 5V level shifter pull-ups, so you probably do not need it since you are using a 3.3V microcontroller.

    If you have additional questions, I hope you post on our forum, which is a more appropriate place to troubleshoot your system.

    -Jon

  • New product: Aluminum mounting bracket for NEMA 14 stepper motors

    New product: Aluminum mounting bracket for NEMA 14 stepper motors

    - 24 December 2014

    Hello.

    I am not entirely sure how adding a hole through the stepper motor shaft would help. It seems like the wires would still get twisted as the gimbal rotates. The typical way to deal with this kind of situation is with the use of a slip ring (e.g. http://www.adafruit.com/products/1196). Have you considered this approach?

    -Jon

  • New product: Advancer Technologies Muscle Sensor v3

    New product: Advancer Technologies Muscle Sensor v3

    - 19 December 2014

    Hello, Peter.

    We have not tried it, but I do not see why the muscle sensor would not measure a finger movement if the electrodes were placed correctly. We have also not tried using things other than the included hardware as electrodes, so we are not sure if other materials might possibly work with it.

    I recommend contacting the manufacturer, Advancer Technologies, to get more definitive answers to those questions and to learn more about the ICs that they use on the muscle sensor.

    -Jon

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