Hackaday

Cheetah MX4 Mini: A Pint-Sized 3D Printer Controller

There’s a seemingly unending list of modifications or upgrades you can make to a 3D printer. Most revolve around the ...
Hackaday

Building A Wall-Mounted Sound Visualizer

Visualizers used to be very much in vogue, something you’d gasp in at amazement when you’d fire up Winamp or Windows Media ...
Covers

ProphetX Promo Code: Use 'COVERS' for Up to 100 in Prophet Cash

If you are new to ProphetX, which is one of the best social sportsbooks in the U.S., register an account today with the ProphetX promo code 'COVERS' in 2025. I've personally claimed each offer ...
Investopedia

Quick Response (QR) Code: What They Are, How They Work, and Types

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...
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 ...