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Episode 363: Add a Motor to your Bike with Arduino!

Add a Motor to your Bike with Arduino

element14 presents  | Raising Awesome's VCP Profile    |  Project Videos

 

As part of the Design for a Cause Design Challenge, Sean and Connor Miller, build the ultimate smart trike. Their goal is to inspire others to embark on an assistive technology build of their own or to find a way to bring their ideas to life in order to make the world a better place.  The inspiration for the project is Sean's wife, who was diagnosed with MS when Connor was two years old.  They'll showcase the Arduino MKR1000 IoT kit as a tool for prototyping when coupled to mechanical components.  Features of the smart trike include speed sensor and interlock, pedal sensor and interlock, proximity sensor and interlock, garage door opener receiver, braking limit switch and interlock, tilt sensor and interlock, and sd card output to study sensor data and calibrate for best ride quality and safety.

 

The Ultimate Smart Trike Design:

 

PartManufacturerQuantityBuy KitBuy Kit

Arduino MKR1000 IoT Bundle, Components Kit

ARDUINO1Buy NowBuy Now

Daughter Board, SD Card Shield for Arduino MKR, Prototyping Area

ARDUINO1Buy NowBuy Now
HC-SR04 Ultrasonic Sensor For Arduino And Raspberry PiMCM1Buy NowBuy Now
Rechargeable Battery 12 V Lead Acid 18 Ah Bolt POWERSONIC1Buy NowBuy Now
Contact MLX 36663 Series Pin Crimp 10 AWG Tin Plated Contacts MOLEX1Buy NowBuy Now
CRIMP CONTACT, SOCKET, 12-10AWG, FULL REELMOLEX1Buy NowBuy Now
Connector Housing MLX 42021 Series Plug 2 Ways 6.35 mm MOLEX1Buy NowBuy Now
Connector Housing MLX 42022 Series Receptacle 2 Ways 6.35 mm MOLEX1Buy NowBuy Now
INLINE FUSE HOLDER 12AWGMCM2Buy NowBuy Now
3D Printer Filament, 1.75mm, ABS, BlackMCM1Buy NowBuy Now
Fuse, Automotive, 25 A, 32 V, 19.1mm x 5mm x 19mm, ATO SeriesMULTICOMP2Buy NowBuy Now
Anonymous
  • in reply to sjmill01

    I was hoping to be printing by mid November.  The new Fall Out comes out around then.

     

    -Sean

  • in reply to sjmill01

    Good, good! Yeah, I used conformal coating on Project: Mooninite (the "science blinky") for moisture resistance, but I didn't know if you had built a housing for the hardware yet or not. Of course, if I end up building the beach cruiser, I'll have the moisture, salt, and sand to contend with!

     

    Nothing wrong with the strategic use of duct tape--The Handyman's Secret Weapon! (I used a little bit on Project: TIROS for insulation)

     

    That's a pretty wicked design for the new Pip-boy, and it might be fun to stuff some sensing equipment in there! The only problem with a Geiger circuit, of course, is that it's going to be "that much bigger" on the inside (between the HV charge pump and the tube, it's a minimum 4x3x1 inches added, plus insulation), but I'm down for it if you are! I'm planning on designing a board for the counter, so that may help matters--what's your timeline look like?

  • in reply to airbornesurfer

    Thanks so much.

     

    The parts are doing fine so far.  Of course, we'd never intentionally ride in the rain, though.  Don't want to get our feathers wet.  However, if we accidentally got caught in the rain, I always use conformal coating on my circuits which make them moisture resistant.  I'm putting that step in our next build.  It's basically like painting on silicone that gives you cancer in California.  We hot glued the other connections.

     

    In reality, I could have just duct taped on the hall effect sensors, but that would have made for more Hillbilly comments.  :-)

     

    I'm designing the new Pip-boy from the new Fallout Series.  I'm eyeballing it from ThinkGeek, but still have ALOT of Autodesk Fusion work to go.  It will be a Raspberry Pi 3 with an Adafruit 3.5" display and 3D printed. I'd love to hand it over to you after I get the basic build part of the video complete to fit in a Geiger counter for a collaboration build video!  I'd need you to send me some "obstruction dimensions" of the parts you'd need to fit so I can CAD around them.

     

    This would be walking the line on production quality, but I think it would be cool to green screen us together at least in the intro to merge Midwest and West Coast into one room - then reveal at the "bloopers" that we weren't even there together at all.

     

    Let me know what you think.

     

    See ya',

    Sean

     

  • Love this build! I kinda want to apply the idea to a beach cruiser I've been fancying. How are the parts holding up to the weather?

     

    Y'all have some great screen chemistry--hope we to work on a project together sometime!

  • in reply to DAB

    Thanks, DAB.  Let me know if you have any questions on it or the production.

     

    See ya',

    Sean

  • in reply to mayermakes

    Thanks so much, Clem.  It was a beast.  Hand cutting in the keyway for the new disk brake (not shown) was the most nerve racking part.  I need to make a build just to do that with precision.

     

    The code base will serve me for many builds to come.  Not too many sensors left out there!

     

    See ya',

    -Sean

  • Very good project and build description.

     

    Well done.

     

    DAB

  • Absolutely massive Project! Great work!