Category Archives: green hacks

Using Super-Efficient Solar Cells To Keep Your Electric Car’s Battery Topped Up

Who hasn’t thought of sticking a couple of solar panels onto an electric car’s roof to keep its battery at 100% charge while it’s parked out in the sun? While usually deemed impossible due to the large number and weight of PV solar cells required to get the necessary amount …read more

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Posted in bev, car hacks, green hacks, news, phv, prius, pv solar, toyota | Leave a comment

Building A Geodesic Dome Greenhouse

Greenhouses are a great way to improve conditions for your plants, and are an absolute necessity for any serious gardening in colder climates. When the time came for [gentleworks] to build a new greenhouse, rather than going with a conventional design, they decided to go with a geodesic dome instead. …read more

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Posted in dome, garden, gardening, geodesic, geodesic dome, green hacks, greenhouse | Leave a comment

Failed Scooter Proves the Worth of Modular Design

Like many mechanically inclined parents, [Tony Goacher] prefers building over buying. So when his son wanted an electric scooter, his first stop wasn’t to the toy store, but to AliExpress for a 48V hub motor kit. Little did he know that the journey to getting that scooter road-ready would be …read more

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Posted in electric conversion, electric scooter, green hacks, hub motor, scooter, transportation hacks | Leave a comment

Monitor The Pollution On Your Commute

Commuting through the urban sprawl of a 21st century city brings exposure to significant quantities of pollution. For a Medway Makers member that meant the Isle of Dogs, London, and a drive through the Blackwall Tunnel under the Thames. When you can taste the pollution in the air it’s evident …read more

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Posted in environmental monitoring, ESP32, green hacks, pollution | Leave a comment

Postal-Themed Rat Rod Mower Really Delivers

There are birthday presents, and then there are birthday presents. You know, the amazing ones that are the polar opposite of phoning it in. This is one of those presents.

So, [peterbrazil]’s wife is a rural mail carrier on a small island. For her upcoming birthday, he wanted to build …read more

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Posted in classic hacks, green hacks, hot rod, lawnmower, pink slip, raked, rat rod, riding mower, slammed, t-bucket | Leave a comment

Low Power Weather Station Blows the Competition Away

Building a weather station isn’t too tall of an order for anyone getting into an electronics project. There are plenty of plans online, and you can even put your station on Weather Underground if it meets certain standards. These usually have access to a reliable source of power, though, and …read more

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Posted in 2019 Hackaday Prize, green hacks, low power, microcontroller, Monitoring, The Hackaday Prize, weather, weather station, wind | Leave a comment

Innovative Bird Feeder Design Recycles Recycling’s Garbage

Recycling beverage cartons isn’t 100% efficient. The process yields some unusable garbage as a byproduct. Why? Because containers like juice boxes are mostly paper, but also contain plastic and aluminum. The recycling process recovers the paper fibers for re-use, but what’s left after that is a mixture of plastic rejects …read more

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Posted in bird feeder, dfm, green, green hacks, industrial design, injection molding, plastic, re-use, recycling, waste | Leave a comment

Putting some Smarts into an Electric Car Charger

Many electric cars feature a timer capability that allows the owner to set which hours they want the vehicle to start pulling a charge. This lets the thrifty EV owner take advantage of the fact that the cost of electricity generally goes down late at night when the demand is …read more

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Posted in car hacks, charger, electric car, green hacks, IFTTT, particle photon, relay | Leave a comment

Power Stacker, A Modular Battery Bank

Many of us will own a lithium-ion power pack or two, usually a brick containing a few 18650 cylindrical cells and a 5 V converter for USB charging a cellphone. They’re an extremely useful item to have in your carry-around, for a bit of extra battery life when your day’s …read more

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Posted in 2019 Hackaday Prize, battery backup, battery bank, green hacks, Li-ion | Leave a comment

Dollar Store Garden Lights As ATtiny Power Supplies

Solar garden lights are just another part of the great trash pile of our age, electronics so cheap as to be disposable. Most of you probably have a set lurking somewhere at home, their batteries maybe exhausted. Internally though they are surprisingly interesting devices. A solar cell, a little boost …read more

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Posted in garden light, green hacks, joule thief, news, solar hacks, solar power | Leave a comment