2024 Business Card Challenge: T-800’s 555 Brain

In Terminator 2: Judgment Day it’s revealed that Skynet becomes self-aware in August of 1997, and promptly launches a nuclear attack against Russia to draw humanity into a war which ultimatel…

ESP8266 Coaster Keeps Your Drink Warm

Looking for the perfect winter desk accessory? [Wq] has created a beautiful coaster made out of PCBs  that can keep your drink warm with an internal heater. (Chinese). An ESP8266 sits as the main c…

Designing Aesthetically-Pleasing PCBs

We’ve seen our share of custom PCBs here on Hackaday, but they aren’t always pretty. If you want to bring your PCB aesthetics up a notch, [Ian Dunn] has put together a guide for those w…

Keyboard Shortcuts At The Touch Of A Planetary Cube

[Noteolvides] creates the CubeTouch, a cube made of six PCBs soldered together that creates a functional and interactive piece of art through its inlaid LEDs and capacitive touch sensors. The devic…

Washington, DC Finally Gets Its Own PCB Metro Map

There was a time, not so long ago, when folks who wanted to make their own custom PCBs would have found themselves in the market for a bucket of acid and a second-hand laser printer. These days, al…

Heart-Shaped Heartwarming Valentine’s Day Pendant

This is no ordinary heart-shaped PCB pendant project! To us, it’s also symbol representing the striking amount of love that [SaltyPaws] has put into its design and documentation. He tells us …

Remoticon 2021 // Debra Ansell Connects PCB In Ways You Didn’t Expect

“LEDs improve everything.” Words to live by. Most everything that Debra Ansell of [GeekMomProjects] makes is bright, bold, and blinky. But if you’re looking for a simple string of…

Jigglypuff Sensor Breathes CO2 So You Don’t Have To

We’ve seen a lot of environmental monitoring projects here at Hackaday. Seriously, a lot. They usually take the form of a microcontroller, a couple sensors, and maybe a 3D printed case to kee…

PCB Metro Maps Are A Gorgeous Labor Of Love

Is your love of public transportation matched only by your passion for designing custom PCBs? If so, then you’re going to love these phenomenal transit maps created by [Chai Jia Xun]. Using t…