自制(DIY)

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SubscribeAC main detector module
This is the photograph of a common, cheap eBay module called a “220V […]
Readers’ Choice 2020
See what your peers in the engineering community were reading this year with this collection of our most popular articles from 2020.
Google’s AIY kits offer do-it-yourself artificial intelligence
With the AIY maker kits, Google claims you can “build intelligent systems that see, speak, and understand.”
Simple Stir Plate
If you ask a seasoned brewer for advice on improving your beer, one of the […]
Solar Energy Harvesting: A Great Solution, Except When It’s Not
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.
Arduino EEPROM Tips & Tricks
Last week I spent most of my leisure time studying nonvolatile memory chips. The result […]
Glovebox Flashlight
You never know when you will be marooned in darkness! Always keep a flashlight in […]
Create radio receiver circuits with the LM386 audio amplifier
Use the LM386’s undocumented attributes to create simple high performance regenerative receivers.
Why the Raspberry Pi 4 should catch your eye
With higher CPU and GPU performance, along with beefier connectivity, what’s not to like about the Raspberry Pi 4?
UV Stain Finder Flashlight
Ultraviolet (UV) stain finder flashlights come in all shapes and sizes. They are useful in […]
What we can do to help fight COVID-19
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.
The World’s Worst Video Card (I Want One!)
SoC Interconnect: Don’t DIY!
With so many acquisitions in the interconnect IP market, you might be forgiven for thinking DIY interconnect is a good idea.
Top 10 3D Scanners for DIY Projects
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.
Easy to build digital coil-less (100KHz step size) FM transmitter
Another Capacitor Failure, Another Fix
A capacitor failure in a DVD recorder required replacement. That’s what happens with old electronics.
Homework Writing Machine
10 Best Single-Board Computers for 2018
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.