Around here we love technology for its own sake. But we have to admit, most people are interested in applications–what can the technology do? Those people often have the best projects. After …

Last year at CES, UniZ introduced the Slash, a desktop resin printer. It’s fast, it’s capable, and it’s shipping now, but there was something else in the UniZ booth that had a muc…

One of the problems that has accompanied the advent of ever more complex home entertainment systems is the complexity of the burgeoning stack of remote controls that manifest themselves alongside your...

At CES last year, Monoprice introduced a $200 3D printer. Initial expectations of this printer were middling. My curiosity got the best of me, and last summer I picked up one of these printers for a r...

Some of the most enjoyable projects tend to have the terrible drawback of also having the most potential to cause bodily harm, like getting zapped by the capacitor when digging into a disposable ca…

[Ken Shirriff] is the gift that keeps on giving this new year. His latest is a reverse engineering of the 74181 Arithmetic Logic Unit (ALU). The great news is that the die image and complexity are …

Over the last year, it seems the next big thing in 3D printing is dual and multi-extrusion. This gets you multi-colored objects, but if you have the right filament, it also allows you to print objects...

Every day it seems there is a new Alexa story in the news, as for the moment the Amazon voice assistant is in the ascendant over its rivals from Google, Apple, and Microsoft. Today's slice of Alexa we...

We see a lot of traffic on the tips line with projects that cover old ground but do so in an instructive way, giving us insight into the basics of electronics. Sure, commercial versions of this IR-…

About a year ago, Autodesk showed off one of the most innovative filament printers in recent memory. Project Escher is your basic Cartesian filament printer, but with a twist: it has five heads. Thes...

We will all at some point have forgotten to water a plant. If we're lucky then the limp vegetation we return to will magically revive when we rush to water it, if not then we have the shame of an empt...

Lulzbot is the poster child of the RepRap project. Everything they do is big-O Open. At CES, Lulzbot launched the MOARstruder, a tool head with a 1.2mm nozzle diameter. That pushes a lot of plastic ou...

Lots of people set out to build appliance monitors, whether it be for the fridge, the garage door, or the washing machine. Often, it's nicer not to cut into an appliance to make direct electrical con...

Last October, Next Thing Co., makers of the popular C.H.I.P. platform unleashed the C.H.I.P. Pro, a very capable Linux system on a tiny board. The goal of the C.H.I.P. Pro is to be the brains of a pro...

What do you get when mindless automatons with no capacity for reason or logic converse? While you discuss that in the comments, here are two chatbots on Twitch. The highlights? A few hours ago they we...

Back problems are some of the most common injuries among office workers and other jobs of a white-collar nature. These are injuries that develop over a long period of time and are often caused by p…

A Jacob´s ladder is a favorite project of high voltage enthusiasts. It makes a visually attractive and fun display of a high voltage electrical arc climbing a pair of electrodes. [Keystone Science] ...

A lot of classic synthesizers rely on analog control voltages to vary parameters; this is a problem for the modern musician who may want to integrate such hardware with a MIDI setup. For just this …

In this age of patent trolls and multi-billion dollar companies that make intellectual property claims on plant genes and photographing objects against a white background, you'd be forgiven for thinki...

It is said that “success has many fathers, but failure is an orphan.” Given the world-changing success of radio in the late 19th and early 20th centuries, it’s no wonder that so m…