Comments by Jon

  • Black Friday 2016

    Black Friday 2016

    - 29 November 2016

    Hello, Mark.

    Awesome! We are glad you got your parts so quickly. Of course, we are always excited to see how people are using our parts, too, so we'd love it if you shared your projects on our forum!

    -Jon

  • New MOSFET-based power switches

    New MOSFET-based power switches

    - 25 November 2016

    Hello.

    I noticed you also asked about this on our forum . I posted a response; please continue the discussion there.

    -Jon

  • New product: VL53L0X Time-of-Flight Distance Sensor Carrier

    New product: VL53L0X Time-of-Flight Distance Sensor Carrier

    - 29 August 2016

    Hello.

    Yes, that is correct. Thank you for following up and letting us know you figured it out.

    -Jon

  • New product: Adafruit Data Logging Shield for Arduino

    New product: Adafruit Data Logging Shield for Arduino

    - 13 July 2016

    Hello, KA RAUSCHER.

    Its not clear what you are asking about; what blank form are you referring to?

    -Jon

  • Video: Setting the Current Limit on Pololu Stepper Motor Driver Carriers

    Video: Setting the Current Limit on Pololu Stepper Motor Driver Carriers

    - 24 May 2016

    It might be possible to use a stepper driver as a basic constant-current charger for a battery, but dedicated battery charging circuits often have more advanced features like multi-stage charging (with a different charging strategy for each stage) and protection features. You might consider looking at some of the battery chargers made by Adafruit or SparkFun for your application:

    https://www.adafruit.com/categories/575
    https://www.sparkfun.com/categories/54

    -Jon

  • Video: Setting the Current Limit on Pololu Stepper Motor Driver Carriers

    Video: Setting the Current Limit on Pololu Stepper Motor Driver Carriers

    - 23 May 2016

    Hello.

    Our stepper motor drivers use current limiting to control stepper motors, but they probably would not be very practical for your application. Instead, we recommend using a dedicated charging IC or circuit, and we do not have any specific recommendations on where to find those.

    -Jon

  • HPCB micro metal gearmotors with extended motor shafts

    HPCB micro metal gearmotors with extended motor shafts

    - 17 May 2016

    Hello.

    As we say in the blog post where we first introduced our micro metal gearmotors with long-life carbon brushes, there are operating conditions under which the carbon brushes allow the HPCB motors to last several times longer than HP versions with precious metal brushes (see that blog post for more information).

    -Jon

  • New revision of the Dual VNH5019 motor driver shield for Arduino

    New revision of the Dual VNH5019 motor driver shield for Arduino

    - 24 February 2016

    Hello, Harry.

    Like we say on the shield's product page: while the shield's overvoltage protection typically kicks in at 27V, it can trigger at voltages as low as 24V, so we do not recommend using this motor driver with 24V batteries, which significantly exceed 24V when fully charged. Specifically what voltage the shield's overvoltage protection kicks in at can vary from unit to unit, so there is a chance that the particular unit you get will not work with a 24V battery.

    -Jon

  • Jon's line following robot: Usain Volt 2.0

    Jon's line following robot: Usain Volt 2.0

    - 2 February 2016

    Hello, MelZero.

    I noticed you made a comment on my Thingiverse web page asking a similar question. I posted a reply there, which is a more appropriate site to talk about this.

    -Jon

  • New product: Advancer Technologies Muscle Sensor v3

    New product: Advancer Technologies Muscle Sensor v3

    - 20 January 2016

    Hello, Ali.

    It is not entirely clear what you are asking (e.g. connect Muscle Sensors to what?), but it sounds like you might be trying to do something complicated or otherwise be looking for more in-depth technical support than is appropriate for blog post comments. Can you refine your questions and either email us or post to our forum?

    Specifically, if you explain in more detail what it is you want to do with two muscle sensors (e.g. what muscle(s) are you sensing, how are you planning on reading the output of the sensors, etc.), we might be able to give you a better idea of whether or not your proposed system could work and maybe refer you to additional documentation for getting started with your project.

    -Jon

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Free Circuit Cellar magazine November 2016
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