An LCD, Touch Sensor, USB-C, And A Microcontroller For A Buck

[CNLohr] has been tinkering with some fun parts of late. He’d found out that ordinary LCD screens could be used as simple touch sensors, and he had to try it for himself. He ended up building…

Have You Heard Of The Liquid Powder Display?

Over the decades the technology behind flat panel displays has continuously evolved, and we’ve seen many of them come and go. Among the popular ones there are a few that never quite made the …

It’s Spreadsheets All The Way Down For This 80s Handheld

Unlike the today’s consumer computer market, the 1980s were the wild west in comparison. There were all kinds of different, incompatible operating systems, hardware, and programs, all competi…

Tiny Games Challenge: A Retro Racing Game On A 16×2 LCD

Sometimes, all it takes is a change in perspective to take something boring and make it fun. That’s true about 16×2 LCD; in its usual landscape format, it’s a quick and easy way to…

Responsive LCD Backlights With A Little Lateral Thinking

LCD televisions are a technological miracle, but if they have an annoying side it’s that some of them are a bit lacklustre when it comes to displaying black. [Mousa] has a solution, involving…

Go Forth With This Portable Programmer

When choosing a low-level language, it’s hard to beat the efficiency of Forth while also maintaining some amount of readability. There are open source options for the language which makes it access…

Pixel Graphics From An HD44780, By Cutting Wires

[Felipe Tavares] wasn’t satisfied with the boring default fonts on an HD44780-based display. And while you can play some clever tricks with user-defined characters, if you want to treat the display…

An ESP32 MultiFactor TOTP Generator

MFA, or multifactor authentication, is a standard security feature these days. However, it can be a drag to constantly reach into one’s pocket, scroll to Google Authenticator (other MFA appli…

Alarm Panel Hack Defeats Encryption By Ignoring It

As frustrating as it may be for a company to lock you into its ecosystem by encrypting their protocols, you have to admit that it presents an enticing challenge. Cracking encryption can be more tro…

“Cheap Yellow Display” Builds Community Through Hardware

For the most part, Hackaday is all about hardware hacking projects. Sometimes, though, the real hack in a project isn’t building hardware, but rather building a community around the hardware.…

Adobe Scientist Cuts A Dash With LCD Shifting Dress

Adobe research scientist [Christine Dierk] showed off an interesting new project at the Adobe Max conference: Project Primrose, a dress covered with a series of liquid crystal panels that could rea…

Cheap LCD Uses USB Serial

Browsing the Asian marketplaces online is always an experience. Sometimes, you see things at ridiculously low prices. Other times, you see things and wonder who is buying them and why — a shr…

Raspi-Powered Typewriter Is A Real MUSE

Thanks to parenting and life in general, [Brendan] had fallen out of the habit of writing and wasn’t happy about it. If you write anything ever, you already know there are endless distraction…

Tiny Spheres Hiding In Your Display

Liquid crystal and Organic LED displays have revolutionized portable computing. They’re also made of glass. Which presents a problem: How do we get electrical signals from fiberglass circuit …

A Look At Sega’s 8-Bit 3D Glasses

From around 2012 onwards, there was a 3D viewing and VR renaissance in the entertainment industry. That hardware has grown in popularity, even if it’s not yet mainstream. However, 3D tech goe…

Spice Up The Humble 16×2 LCD With Big Digits

The 16×2 LCD display is a classic in the microcontroller world, and for good reason. Add a couple of wires, download a library, mash out a few lines of code, and your project has a user interf…

Low Power Challenge: LCD Solar Creatures Live On Sunlight, Sleep At Night

With all those e-paper based projects doing the rounds these days, including in our Low Power Challenge, you’d almost forget that monochrome LCDs were the original ultra-low-power display. Wi…

Reliving A Bitmapped Past With A Veritable Hoard Of Bitmap Fonts

The fonts seen with old computer systems such as those from Apple and Commodore, as well as Microsoft Windows 3.1 and older, form an integral part of our interaction with these systems. These days …

Reverse Engineering Saves Weller With A Wonky LCD From The Trash Pile

There’s nothing more satisfying than finding a broken piece of gear in the trash and bringing it back to life. Satisfying, but also potentially more time-consuming — someone tossed it f…