Collaborate Disseminate
Last summer, I was hanging out with a friend from Netherlands for a week, and in the middle of that week, we decided to go on a 20 km bike …read more Continue reading Lithium-Ion Batteries Power Your Devboards Easily
There’s a good chance that if you build something which includes the ability to top up a lithium-ion battery, it’s going to involve the incredibly common TP4056 charger IC. Now, …read more Continue reading This Open Hardware Li-Ion Charger Skips the TP4056
Lithium batteries have, nearly single-handedly, ushered in the era of the electric car, as well as battery energy storage of grid power and plenty of other technological advances not possible …read more Continue reading Copy and Paste Lithium Battery Protection
One thing you won’t read in reviews of pricey Sony WH-1000XM3 headphones – if you choose them, you’re going to find yourself in a one-sided abusive relationship. A button press …read more Continue reading One Hacker’s Battle To Slightly Improve A Sadistic Sony Headset
Let’s be honest, commercially-available soldering fume extractors are cheap enough that you probably don’t need to build one yourself. But it still makes for a good starter project, especially if …read more Continue reading DIY Fume Extractor with ATtiny13 Speed Control
Despite the fact that we’re rapidly approaching the year 2022, there are still an incredible number of gadgets out there that you’re expected to power with disposable batteries. Sure you …read more Continue reading Weather Station Dumps CR2032 Cells, Gains 18650
We’re truly fortunate to have so many incredible open source projects floating around on the Internet, since there’s almost always some prior art you can lean on. By combining bits …read more Continue reading 18650 Brings ESP8266 WiFi Repeater Along For The Ride
Sure there are pre-made kits to add a rechargeable battery and USB-C compatibility to Nintendo’s venerable Game Boy Advance, but [HorstBaerbel] thought he could throw together something similar for a fraction of the price. Plus, he wouldn’t have to wait …read more
Draining a battery is easy. Just put a load across the terminals, maybe an incandescent bulb or a beefy power resistor, and wait. What’s quite a bit trickier is doing so safely. Put too large a load on, or …read more
Continue reading Handy Tool Drains 18650 Cells So You Don’t Have To
Have you ever pulled a piece of electronics from the trash that looked like nothing was wrong with it, only to take it home and find out it really is dead? Since you’re reading Hackaday, we already know the answer. Trash picking is an honored hacker tradition, and we all …read more
Continue reading Trashed Tablet Lives Again Thanks to New Charger IC