Browsing All Posts filed under »DiffTrike«

Hm, upgrades.

October 22, 2014

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One of the problems we’ve been having from the start is that the motors I used were recycled from a couple of electric scooters and not only they are kind of weak, they are also unequal: one is 200W nominal and the other 240W. This wasn’t too apparent until recently when we implemented regenerative braking, […]

DiffTrike mechanical drawing

October 13, 2014

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With some people wanting to build their own crazy trike / kart and due to popular demand, I’m posting here the current design and measures of our proof-of-concept vehicle. Obviously, this is not an engineering blueprint, and anything you build based on this information is your responsibility alone – don’t blame me/us if you break […]

We made the news!

September 23, 2014

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We made the news!!! Here’s Portuguese television channel 3 (“SIC”)’s coverage of the event, with a 3 second apparition of the DiffTrike at timestamp 1:39. Plus, the national radio “Rádio Renascença” also promoted the event and interviewed me in studio about the project. My 20-second promotion spot can be heard on that page; an  8-minute […]

Off to the Faire!

September 22, 2014

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NOTE: THE Lisbon Mini Maker Faire 2014 IS NOW OVER. THIS IS A POST-POST. 🙂 The Trike is finally ready for show time. Please have a seat and take a smooth ride… So I packed it up on my car and went off to the Maker Faire. Once we got there, a lot of people […]

Integration Jam Session

September 21, 2014

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Njay got the burned bridge rebuilt, tested, and “burned-in” for an hour at 10Amps, so we got together again to finish integrating the system. This time with the 500 kbps I²C bus between the RasPi and the Power Bridges, so that the link is loud and clear. Njay was afraid that such high speeds would […]

Tuning out the glitches

September 20, 2014

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WE ARE AT THE FAIRE RIGHT NOW! 🙂 JOIN US! Meanwhile we’ll keep posting the story behind the project… Me and NJay finally got together for a hacking jam session to find out what the heck is going wrong with the I²C comms bus between the RasPi and the Power Bridges. This is where his […]

Vroom vroom

September 19, 2014

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ATTENTION: THE Lisbon Mini Maker Faire 2014 OPENS TO THE PUBLIC TOMORROW, SATURDAY. GET YOURSELF REGISTERED ONLINE AS A VISITOR SO YOU DON’T HAVE TO WAIT IN LINE AT THE VENUE. IT’S FREE OF CHARGE, BUT YOU HAVE TO REGISTER FIRST. And now, back to our soap opera. 🙂 The time has come to finally […]