article thumbnail

Building the Future of Smart Home Security

Cars That Think

From video doorbells to robot vacuums, automated lighting, and voice assistants, smart home technology has invaded consumers’ homes and shows no sign of disappearing anytime soon. It redefined the home security space by introducing wireless, DIY products and pioneered giving customers the ability to monitor their homes via a smartphone app.

article thumbnail

Build a Passive Radar With Software-Defined Radio

Cars That Think

Building off the demand stimulated by this activity, a number of manufacturers have started making premium, but still relatively cheap, SDRs. I ordered two small and light $19 TV antennas. An explosion of interest in SDRs followed. The trace on the right shows a plane moving away as it increases its speed. James Provost.

article thumbnail

DIYers Have Been Quietly Building The Green Campers Of Tomorrow

CleanTechnica EVs

I wanted something small, light, and efficient that my Bolt EUV could tow, because nothing spoils a fun trip like going into debt (both financial and to my kids for ruining the planet) to cover the fuel bill. In a recent article, I lamented the competing pressures of efficiency and luxury in campers. But, living […].

article thumbnail

This slightly shady $500 kit turns your e-bike into an electric snowmobile

Baua Electric

I do have to let you know going into this that the product page is very light on details, so I’ve had to suss out some specs here. For power, I guess you run your throttle back to the new controller, though that’s another reason just to start this build from scratch. That’s kind of where I’m sitting with this DIY snowmobile kit.

Kits 52
article thumbnail

VW Build

DIY Electric Car

The lights, etc run from a dedicated 12V battery (missing) and all the wiring is there so it should just be a matter of sticking the battery in. It's a MK2 golf with 9'' ADC motor fitted, battery tray up front and one sunk into the rear where the fuel tank was.

Building 113
article thumbnail

Energy Harvesting for Wearable Technology Steps Up

Cars That Think

The best-known wearable energy-harvesting tech today is, of course, solar, which pulls down electrons from sunlight or ambient light. A light human health sensor would be no use to biologists trying to keep a tracker on a bison for the rest of its life. Solar won’t work for nocturnal animals or creatures in low-light environments.

Energy 136
article thumbnail

The First Digital Camera Was The Size of a Toaster

Cars That Think

Smith at Bell Labs , consist of a sensor that converts an incoming two-dimensional light pattern into an electrical signal that in turn becomes an image. In a 2016 interview with DIY Photography , he said cassettes were the only permanent form of “digital storage” available to him at the time.

Store 102