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SparkFun Block for Intel® Edison - Dual H-Bridge
project on
hackster.io project

Fresh Air
by Farrukh Zia

Description: The Intel® Edison is an ultra small computing platform that will change the way you look at embedded electronics. Each Edison is packed with a huge amount of tech goodies into a tiny package while still providing the same robust strength of your go-to single board computer. Powered by the Intel® Atom™ SoC dual-core CPU and including an integrated WiFi, Bluetooth LE, and a 70-pin connector to attach a veritable slew of shield-like “Blocks” which can be stacked on top of each other. It’s no wonder how this little guy is lowering the barrier of entry on the world of electronics!

The Dual H-bridge Block gives the Edison some ability to move when paired with two DC motors. This board can drive two DC motors at voltages ranging from 2.7V-15V and currents up to 1amp. This board is isolated from the Edison using a logic level converter. To use this board external power for the motors will be required. Power for the motors is supplied on the headers labled “VIN” and “GND”.

If you are looking to add a little more stability to your Intel® Edison stack, check out this Hardware Pack. It will provide you with increased mechanical strength for stacking Blocks on your Edison!

Documents:

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Customer Comments

  • If anyone is interested I made a Node.js version of the C++ Library for this board. Can be found here: https://github.com/jmwendt/TB6612

    It also includes an example for driving a two wheel cart around from a web browser.

  • Can you please make a Quad H-Bridge?

  • Is there, or will there be a compatibility table for the Edison blocks? Will there be any intersection in the Edison pins that are used by the blocks?

    For example if the H-Bridge block and 9-DOF blocks have common pins, ie, both use GP47 for example, then both blocks could not be used in a design, correct?

    • We tried to take that into consideration. We are working on a table that shows all potential conflicts between boards.

  • I prepared the library for the controlling this block by the Python. It is here: https://github.com/jipech/SparkFun_H-Bridge_Block_for_Edison_Python_Library

  • We are currently working on a Hookup Guide for this kit. Check back later for more updates.

    Looking forward to this

  • There is a “VSYS -> VIN” jumper on this board. Is this to allow us to power the Edison from VIN of this board (assuming 3.3-4.5V), or to allow the Edison’s power to power the motors?

    The only reason I presently need the GPIO board is to provide power; I’d like to do away with it in my project. If I could power the motors and the Edison via the H-Bridge that’d be awesome. 4V is fine for my motors.

    • There is a diode that will prevent you from back-feeding VIN to the Edison. If you remove an jumper this diode VIN on the H-bridge is VSYS on the Edison (Also closing the VSYS ->VIN jumper). We tried to make this difficult to prevent accidental deaths of Edisons.

  • Does this block use an “enable” input on the edison side? If so, is the enable pin wired to PWM capable pin on the edison side?

    • We use the TB6612FNG Pin connections (we will get schematics and board files soon):

      • PWMA - PWM0
      • AIN2 - GP47
      • AIN1 - GP48
      • STBY - GP49
      • BIN1 -GP15
      • BIN2 - GP14
      • PWMB - PWM1
      • Caseytherobot - I’m trying to convert all the input you had shown to Aduino I/O pins except pin GP15. I can’t find anything say about this pin. can you help? I’m trying to write the code to the Edison by using Aduino IDE. Is it possible to write in Aduino or it have to be in Linux code? I had found this link but it didn’t help since it’s not mention about GP15 https://communities.intel.com/thread/60981

        TB6612FNG Pin connections: Edison pins > Aduino IO pins PWMA - PWM0 > IO3; AIN2 - GP47 > IO17(A3); AIN1 - GP48 > IO7; STBY - GP49 > IO8; BIN1 -GP15 > ???????; BIN2 - GP14 > IO18(A4); PWMB - PWM1 > IO5;

        Thanks, Doug

      • Thanks!

        • Hi, I have the same question about GP15 inn Arduino IO, anyone have any idea which pin it is ?

          • I do as well. Im driving the normal 2 motors off the H bridge and using Arduino IDE and code for doing so. I found code for the chip that looks like it fully supports it, all i need is the correct pin numbers. I cant seem to find what the Arduino equivalent for GP15 would be in the code? anyone know it? I found that this page has a chart on it that shows these pins https://learn.sparkfun.com/tutorials/installing-libmraa-on-ubilinux-for-edison

  • @SparkFun: Any word on when this becomes available?

  • Can two or more of these boards be stacked for independently driving more than two motors?

    • Would like to know that ^^ too.

      Similarly, any chance of a version of this that supports 4 motors?

      • I had the same question about the 4 motors support. Anyone heard if this is gonna be a new version of this block coming out?

      • Well, we’ll see.

        ATM, no, to both of these questions. However, that may change before release.

        Whether that’s going to translate to massive changes in the design before release or to another product following hot on the heels of the first, I can’t say right now.

    • Most likely no

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