Category Archives: green hacks

Microbatteries On The Grid

Not everybody has $6500 to toss into a Tesla Powerwall (and that’s a low estimate), but if you want the benefits of battery storage for your house, [Matt]’s modular “microbattery” storage system might be right up your alley. With a build-as-you-go model, virtually any battery can be placed on the …read more

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Posted in battery, green hacks, grid, microinverter, modular, Raspberry Pi, solar, storage | Leave a comment

Homemade N95 Masks In A Time of Shortage

Due to the worldwide pandemic of COVID-19, there has been a huge shortage of N95 masks. [] from Smart Air has been working on designs for a DIY N95 mask that may be able to protect those who haven’t been able to secure their own masks. While …read more

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Posted in Covid-19, green hacks, health, N95 mask | Leave a comment

Hearing Plants Giggle Is Just As Creepy As You Think

While best known for Charlie and the Chocolate Factory, Roald Dahl wrote quite a few similarly oddball stories in his time. One of them, The Sound Machine, is about a device that allowed the user to hear the anguished screams of trees as they were cut down. Sounds …read more

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Posted in agriculture, DFPlayer, green hacks, indoor plants, Microcontrollers, plants, soil moisture sensor | Leave a comment

Hoverboard Grows Up, Becomes Magnetic Drill Press

If you need to drill metal in tight places, the magnetic drill press, or mag drill is your BFF. The idea here is that a drill press with an electromagnetic base can go anywhere, and even drill horizontally if need be. If you don’t need to use one often, but …read more

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Posted in brushless motor, esc, green hacks, hoverboard, hoverboard motor, mag drill, magnetic drill press, misc hacks, tool hacks | Leave a comment

Teardown And Analysis Of A Cheap Solar Lamp

If you walk the aisles of a dollar store one constant that you will see worldwide is the Chinese solar lamp. Your dollar gets you a white LED behind plastic, mounted on a spike to stick into the ground, and with a solar cell on top. It charges in the …read more

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Posted in garden light, green hacks, led, solar, solar hacks, solar light | Leave a comment

Living At The Close Of The Multiway Era

After over a decade of laptop use, I made the move a couple of months ago back to a desktop computer. An ex-corporate compact PC and a large widescreen monitor on a stand, and alongside them a proper mouse and my trusty IBM Model M that has served me for …read more

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Posted in cables, green hacks, Hackaday Columns, hardware, recycling, scart, scsi, vga | Leave a comment

Reading Light Not Quite Powered By Your Favorite Hot Beverage

Thermoelectric devices are curious things, capable of generating electricity via the Seebeck effect from a temperature differential across themselves. The Seebeck effect does not produce a huge potential difference, but when employed properly, it can have some useful applications. [MJKZZ] decided to apply the technology to build a reading light, …read more

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Posted in green hacks, joule thief, misc hacks, peltier, reading light, seebeck | Leave a comment

DIY Trommel Sifts Compost In Style

Composting is a great idea that helps you and the planet at the same time. But all that stuff is going to break down at different rates, and depending on what you put in there and how soon you want to use the compost, you’ll probably have to sift out …read more

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Posted in bicycle rims, bicycle wheels, compost, dirt tumbler, green hacks, lifehacks, rotary trommel, trommel | Leave a comment

Reducing the Risk of Flying with Hydrogen Fuels

Flight shaming is the hot new thing where people who take more than a handful of trips on an airplane per year are ridiculed for the environmental impact of their travels. It’s one strategy for making flying more sustainable, but it’s simply not viable for ultimately reducing the carbon impact …read more

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Posted in aviation, green hacks, hydrogen fuel, transportation, transportation hacks | Leave a comment

Can You Piezo A Peugeot?

Car manufacturers have a problem when it comes to climate change. Among the variety of sources for extra atmospheric CO2 their products are perhaps those most in the public eye, and consequently their marketing departments are resorting to ever more desperate measures to sanctify them with a green aura. …read more

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Posted in energy harvesting, Featured, green hacks, Peugeot, piezoelectric effect | Leave a comment