Collaborate Disseminate
We all carry touch screen computers around in our pockets these days, but before the smartphone revolution, there was the personal digital assistant (PDA). While it wasn’t a commercial success, …read more Continue reading Apple Newton Gets Rebuilt Battery Pack
There was a time when every gizmo on AliExpress also had a big white LED so it could also work as a flashlight, but maybe the power bank is the …read more Continue reading Half Power Bank, Half Spot Welder
DIY spot welders often use high-powered components that can be a bit frightening, given the potential for dangerous malfunctions. [Wojciech “Adalbert” J.] designed his capacitive discharge spot welder to be …read more Continue reading Hackaday Prize 2022: A Not-So-Smart Spot Welder
[Kasyan TV] over on YouTube was given a pile of spare parts in reasonably large quantities, some of which were useful and allocated to specific projects, but given the given …read more Continue reading Building A Spot Welder From 500 Junk Capacitors
It used to be hard to dump enough electricity through two pieces of metal to meld them together. But a lithium-ion battery can do it. The question is, should it? …read more Continue reading Cheap Spot Welder Teardown
Raise you’re hand if you’ve ever soldered directly to a battery even though you know better. We’ve all been there. Sometimes we get away with it when we have a …read more Continue reading Gorgeous Battery Welder Hits The Spot
Making battery packs is a common pursuit in our community, involving spot-welding nickel strips to the terminals on individual cells. Many a pack has been made in this way, using …read more Continue reading Review: Battery Spot Welders, Why You Should Buy A Proper Spot Welder
On the face of it, a spot welder is a simple device. If you dump enough current through two pieces of metal very quickly, they’ll heat up enough to melt …read more Continue reading Ambitious Spot Welder Really Pushes the Amps
[NixieGuy] was scheming to build robots with cable-driven joints when the pandemic hit. Now that component sourcing is scarce, he’s had to get creative when it comes to continuous cables. These cables need to be as seamless as possible to avoid getting caught on the pulleys, so [Nixie] came up …read more
[Julian] needed to weld a bit of nickel to some steel and decided to use a spot welding technique. Of course he didn’t have a spot welder sitting around. Since these are fairly simple machines so [Julian] set out to build a spot welder using a charged supercapacitor. The fundamentals …read more
Continue reading Fail of the Week: Supercapacitor Spot Welder