EDN

Using a single MCU port pin to drive a multi-digit display

Using a single microcontroller port to drive a multi-digit LED display to help engineers with those last-minute design ...
CNET

I Found Out Why Our LED Bulbs Burn Out So Early. No, You Don't Need a New Fixture

It turns out the "10-year lifespan" printed on your LED box is often a total fantasy. I spent years falling for the marketing, only to end up standing on a ladder every six months replacing bulbs that ...
Hackaday

Building An Escape Room Lockbox With The ESP32 Cheap Yellow Display (CYD)

Escape Room Lockbox with the Cheap Yellow Display. You may have heard of the “cheap yellow display” (CYD), so-called ...
Hackaday

Making A CRT Spin Right Round, Round, Round

If you’ve got a decent CRT monitor, you can usually adjust the settings to make sure the image scans nicely across the whole ...
IEEE

Representation with an Index Matrix, Which Elements are Derivative Functions, Values Read by Arduino Uno and Photoresistor

Abstract: As the activeness of most species and plants depends on illumination and brightness of the Sun, sun cells a efficient during day. Moreover, the solar arrays cost less if they operate at ...