Hackaday Prize 2023: Ubo Project: Building For Builders

The Ubo Pod by [Mehrdad Majzoobi] is a very highly polished extension pack and enclosure for the Raspberry Pi 4, which shows you how far you can go to turn a bare PCB into something that rivals the…

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…

Swap The Clock Chip On The Mac SE/30 With An ATTiny85

As [Phil Greenland] explains in the first part of his excellent write-up, the lithium battery used to keep the real-time clock (RTC) going on the Macintosh SE/30 has a nasty habit of exploding and …

Hackaday Prize 2022: Repairing A Vintage Laptop With Modern Components

Laptop computers may be ubiquitous today, but there was a time when they were the exclusive preserve of rich businesspeople. Back in the early ’90s, the significant added cost of portability …

Receive Virtual Postcards On This Beautiful E-Ink Photo Frame

Sending postcards to loved ones used to be standard procedure for travelers back when travel was glamorous and communications were slow. While some travelers still keep this tradition alive, many h…

Liberating The ESP8266 From Its Development Board

While the ESP32 is clearly a superior piece of hardware, we think you’ll agree that the ESP8266 is just too useful not to have a dozen or so kicking around the parts bin at any given time. Ch…

Binary Clock Lets The Nixies Glow

We’re not here to talk about another clock. Okay, we are, but the focus isn’t about whether or not it can tell time, it’s about taking a simple idea to an elegant conclusion. In a…

Hacked IKEA Air Quality Sensor Gets Custom PCB

Last month we brought word of the IKEA VINDRIKTNING, a $12 USD air quality sensor that could easily be upgraded to log data over the network with the addition of an ESP8266. It only took a couple o…

Custom Camera Flash Is Built For Stealth

As [Joshua Bird] began his foray into the world of film photography, he was taken back by the old technology’s sheer hunger for light. Improvised lighting solutions yielded mixed results, and…