If you’re looking for a neat DIY project this weekend, then this DIY 9V Battery USB charger could be a fun gadget to create. With only a few components, including a 9V battery, a female USB port from ...

When you’re building your own custom electronics projects, a simple power switch isn’t always easy to find. If you have some DIY projects that use 9V batteries, this super small power switch is fairly ...

My portable charger is probably the most useful piece of technology I carry with me, other than my phone. I am terrible about remembering to charge my phone until I’m stuck on a delayed subway at 7PM ...

Since I’m starting to use more 9V rechargeable batteries, I thought it would be a good idea to build a simple 9V rechargeable battery for my friendly guitarist instead of having to urge him to look ...

Hi, I'm Bill. I'm a software developer with a passion for making and electronics. I do a lot of things and here is where I document my learning in order to be able to inspire other people to make ...

Sure you could go buy a USB charger off the shelf, but what fun would that be? Try making one yourself with a little help from a 9V battery and a few extra components. This simple hack on a standard ...