Mikey Sklar, who lives off the grid with Wendy Tremayne, bought a battery desulfator kit to bring his dead electric vehicle batteries back to life. I hope it works!
I recently ordered a $37 battery desulfator kit. It looks like a pretty simple device
that sends pulses to lead acid batteries to help clean the battery
plates. There are many success stories on the net about resuscitating
essentially "dead" lead acid batteries. Since we have two electric
vehicles and live off grid we have a lot of motivation to take care of
our batteries. I've seen kits that sell for hundreds of dollars, but
this 555 based kit seems to kick out a lot more juice than the fancy
ones with wimpy solar panels.
His tool of choice: a DIY wrench lure. It’s a wrench, string, and two fishing hooks. With only this tool, Florida man Ryan Hein was able to reel in a 400-pound Goliath grouper while fishing in the St. Petersburg area.
Mechanical engineering students from The Technion – Israel Institute of Technology built this fantastic Rube Goldberg machine last year to tell the story of Passover, the Jewish holiday starting the evening of April 22 that celebrates the biblical story of the Israelites’ exodus from slavery in Egypt. Of course my favorite part of the story, […]
Alec Smecher built a wireless electronmechanical system that enables him to robotically raise and waggle his eyebrows via remote control. Because, you know, he could. From MAKE: Beyond its obvious practicality, this project makes a great introduction to DC motor control, infrared remote control, and moving from working with an Arduino to working with the […]
You never know when new projects, ideas or opportunities can drop into your lap at a moment’s notice. That may require you to learn a new programming language like Python. Or maybe you need a primer on 3D game development. Or you might realize you could use a serious brush-up on iOS mobile creation.Point is, […]
Isn’t it about time to stretch what your Mac can do? I mean, you’ve got plenty of great programs now…but don’t you think you could use some new tools to get your creative, analytical and organizational juices really flowing? It’s spring, so we cleaned up a whole bunch of super-cool apps lying around and packaged […]
In the world of app development, there’s no greater arena to find success than with Android users. About 80% of the smartphones in use today worldwide operate on the Android operating system, so if you build a great app that Android users love, you’re an international rock star. You’ll be able to make sure your […]