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This DIY electric parade float chassis could be any vehicle you want it to be

Electrek

The motors, controllers, batteries, and everything else is usually built into a flat deck connected to the wheels, meaning the rest of the vehicle is basically just bolted on top. The engineer in me always thought it’d be fun to have just the bare skateboard, meaning you could go wild with your ideas of what to put on top.

DIY 117
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IoT-ize Your Old Gadgets With a Mechanical Hijacking Device

Cars That Think

Just about every device you own is probably available with Internet connectivity. needs Internet connectivity is up for debate. Connectivity usually comes at a premium, and it also usually involves buying a brand new whatever it is, because new hardware and software and services are required. Or, that was the idea, anyway.

DIY 139
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Build Your Own Hi-fi Ear Defenders

Cars That Think

Now, after countless versions of wiring things together, and even designing my own audio mixers, I finally have a DIY solution that works within a reasonable budget. My approach was to adapt an idea used in some pass-through systems, placing ambient microphones on the outside of sound-isolating headphones.

Building 112
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Can This DIY Rocket Program Send an Astronaut to Space?

Cars That Think

That successful mission in August 2018 was a huge step toward our goal of sending an amateur astronaut to the edge of space aboard one of our DIY rockets. The trickiest part, the double-curved "throat" section that connects the combustion chamber to the exhaust nozzle, requires computer-controlled machining equipment that we don't have.

DIY 138
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A Web-Enabled, High Quality, DIY Audio Amp

Cars That Think

November 2018 Hands On article, “DIY Pro Audio ” in IEEE Spectrum , and it convinced me it was possible, although I wanted to go beyond just a power amplifier to something more like my lamented Sansui. To this board I also connected a tap along with a low-pass filter and output—just in case I decide to build my own subwoofer speaker!

DIY 96
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Electric Bike Conversion Kit Selection

Electric Vehicless

As the cost of an electric bike conversion kit in comparison to a new electric cycle is half approx & not too tough to assemble, if you have time & little bit of idea about installation you have to go with an e bike conversion kit. Front wheel connected conversion kit- very easy to install but less popular. Crank Drive motors.

Kits 52
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Tony Fadell: The Nest Thermostat Disrupted My Life

Cars That Think

If you’ve got an idea for a business or a new product, you usually don’t have to wait a decade to make sure it’s worth doing. If I could just connect the HVAC system to my iPhone, I could control it from anywhere. So I let the idea catch me. It connected to your phone. The thermostat chased me for 10 years. But it worked.

Tahoe 92