Collaborate Disseminate
I’ve talked about HD44780 displays before – they’ve been a mainstay of microcontroller projects for literal decades. In the modern hobbyist world, there’s an elephant in the room – the …read more Continue reading Displays We Love Hacking: SPI and I2C
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 …read more Continue reading Hackaday Prize 2022: Repairing a Vintage Laptop With Modern Components
There’s going to be a new Matrix movie in theaters next month, and you know what that means: we’re about to see a whole new generation get obsessed with the …read more Continue reading Arduino Library Makes Digital Rain Like It’s 1999
How cool would it have been if arcade cabinets had acrylic panels all along that let you gaze upon the field of TTL chips within? When [Jürgen Müller] scored the innards of an original 1972 PONG machine, that’s exactly what …read more
Don’t know about you, but over the last year or so, we have gone from spending ten or twelve hours a day at this computer to upwards of sixteen or eighteen. Fortunately there’s a window behind the monitor for taking …read more
A little over a a year ago, we covered an impressive battery monitor that [Timo Birnschein] was designing for his boat. With dedicated batteries for starting the engines, cranking over the generator, and providing power to lights and other amenities, …read more
Continue reading Multi-Channel Battery Monitor Aces First Sea Trial
Volos Projects educator [Danko Bertović] had a TTGO ESP32 board looking for a project, so he implemented a surprisingly functional weather station for such a small screen. Presumably that was too boring for him, so he decided to write a version of the classic Atari game Breakout instead. [Danko] prefers …read more
Continue reading TTGO ESP32 Module with Multiple Personalities
Making your own handheld games is made much easier with [David Johnson-Davies’] simple sprite routines for the Adafruit PyBadge and PyGamer boards. Sprites can be thought of as small, fixed-size graphical objects that are drawn, erased, moved, and checked for collision with other screen elements.
xorSprite() plots an 8×8 sprite, …read more
Continue reading Simple Sprite Routines Ease Handheld Gaming DIY
While those of us stuck sailing desks might not be able to truly appreciate the problem, [Timo Birnschein] was tired of finding that some of the batteries aboard his boat had gone flat. He wanted some way to check the voltage on all of the the batteries in the system …read more
Continue reading Five Channel Monitor Keeps Boat Batteries Shipshape
We can race against the clock when assembling jigsaw puzzles online but what about competing against each other in the real world? [HomeMadeGarbage] came up with the simplest of solutions with his jigsaw puzzle timer that stops only when the puzzle’s completely assembled.
His simple solution was to attach copper foil tape to the back of the pieces, with overlap. He did this in a serpentine pattern to ensure that all pieces had a strip of the tape. The puzzle he used comes with a special container to assemble it in. At two corners of that container, he put two …read more
Continue reading Your Puzzle’s Done When The Electronics Says So