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A DIY Tracker Tough Enough for the Arctic

Cars That Think

So, I set about building an open-source ice tracker from DIY components that not only proved to be much, much cheaper but also much more capable than the commercial options. V, making it more than 1,000 times as power efficient at approximately 1.7 This consumed around 350 milliamperes while running at 5 volts for about 1.7 microwatts.

DIY 91
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Solar Power for Sheds and Electric Car Charging Solutions

Setec Powerr

Solar energy is reshaping the way we power our homes, appliances, and vehicles. With companies like Setec Power launching innovative products like their Home EV Charging Solar Carport System, the horizon for solar applications is broadening. Why Opt for Solar in Your Shed? A shed often transcends its role as just a storage space.

Solar 98
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A DIY E-bike Conversion on the Cheap

Cars That Think

I'd read about such friction-drive arrangements and had followed the work of a cyclist in Australia known as Kepler who had devised a clever articulated mount that allows the motor to retract from the wheel when not applying power. I next needed to decide on an electronic speed controller (ESC) to power the motor. James Provost.

DIY 145
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A DIY E-bike Conversion on the Cheap

Cars That Think

I'd read about such friction-drive arrangements and had followed the work of a cyclist in Australia known as Kepler who had devised a clever articulated mount that allows the motor to retract from the wheel when not applying power. I next needed to decide on an electronic speed controller (ESC) to power the motor. James Provost.

DIY 98
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A DIY Calorie Counter More Accurate Than a Smartphone

Cars That Think

Using a I2C expansion board [top middle], the IMUs feed data into a Raspberry Pi [bottom middle] powered by a USB battery pack [left]. The IMUs are connected to a Raspberry Pi using the I2C protocol. Two small inertial measurement units [top right] are strapped to the user's thigh and shank. James Provost.

DIY 98
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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.

DIY 140
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Hacking Ham Radio for Texting

Cars That Think

APRS supports sending text messages, and if you're in range of an Internet-connected gateway node you can even. I wanted a portable device I could connect to my handheld radio that was completely self-contained, with a keyboard, screen, and GPS receiver all built in. For the display, I chose an OLED screen for its power efficiency.

DIY 145