A small portable device featuring timer, clock, and calendar functions, equipped with a simple and functional interface and a truly long battery life.

In this project, I'll make a small circuit capable of controlling a servo, it is a servo tester made out of a 555 timer IC.

If you wanted to build a robot that chased light, you might start thinking about Raspberry Pis, cameras, and off-the-shelf computer vision systems. However, it needn’t be so complex. [Ed] of ...

Making a servo tester using an Attiny85 micro chip, Attiny45 also works for this project. This diy servo tester is as good as ...

For certain high-security devices, such as card readers, ATMs, and hardware security modules, normal physical security isn’t ...