Comments by 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

  • New product: A-Star 32U4 Prime LV

    New product: A-Star 32U4 Prime LV

    - 19 December 2014

    While the LCD pins on the A-Star Prime are remappable, it's probably not that practical to use it on the Zumo with an LCD. However, we are currently working on a Zumo version with built-in LCD support, so stay tuned!

  • New product: A-Star 32U4 Prime LV

    New product: A-Star 32U4 Prime LV

    - 17 December 2014

    What you are suggesting does not make sense, since the A* Prime's pins would not match the Zumo's right-side up. Also, some of the pins used for the LCD conflict with their use on the Zumo Shield.

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