自制（DIY)

    This is the photograph of a common, cheap eBay module called a “220V […]

See what your peers in the engineering community were reading this year with this collection of our most popular articles from 2020.

With the AIY maker kits, Google claims you can “build intelligent systems that see, speak, and understand.”

If you ask a seasoned brewer for advice on improving your beer, one of the […]

An experiment with solar-powered outdoor lamps was conducted to see if solar energy harvesting works well and what limits the lifetime of these outdoor lamps.

Last week I spent most of my leisure time studying nonvolatile memory chips. The result […]

You never know when you will be marooned in darkness! Always keep a flashlight in […]

Use the LM386’s undocumented attributes to create simple high performance regenerative receivers.

With higher CPU and GPU performance, along with beefier connectivity, what’s not to like about the Raspberry Pi 4?

Ultraviolet (UV) stain finder flashlights come in all shapes and sizes. They are useful in […]

Since technologists have problem-solving written in our DNA, here are some ways we can give medical professionals and first responders the tools they need to save lives, and stay safe.

In this video, Ben Eater talks about how VGA signals work and builds a breadboard circuit that generates VGA sync signals.

With so many acquisitions in the interconnect IP market, you might be forgiven for thinking DIY interconnect is a good idea.

3-D scanners, once expensive and rare, are now affordable. There are stand-alone devices and plug-ins for other systems, with different models suitable for different applications – everything from capturing the dimensions of a room to creating models to feed into 3-D printers.

An FM transmitter is one of the most popular devices between electronic hobbyist, professionals and even non-technical people. In this article, we gonna learn to how to build an easy, stable and digitally controllable FM transmitter.

A capacitor failure in a DVD recorder required replacement. That’s what happens with old electronics.

This homework writing machine project features a DIY writing machine that uses a typical pen. It can do outline writing and digital signature or even a real text. The main system uses a 2 axis stepper motor driver board with Nema stepper motors and Mg90S Metal Gear Servo control.

Every year like clockwork, new breeds of single-board computers and the latest revisions of our favorite boards hit the market. Here are the top 10 mainstream single-board computers on the market for the fall of 2018.