Our hacker [Avi Gupta] has sent in their submission for the One Hertz Challenge: the LoRaSense RGB Pi HAT. This “HAT” (Hardware Attached to Top) is for any Raspberry Pi with 40-pin header. The core of the build is the custom printed circuit board which houses the components and interconnects. The components include an SHT31 […]
Sometimes, brilliant perspectives need a bit of an introduction first, and this is clearly one. This video essay by [Cleggy] delivers what it promises: an ode to the aesthetic of light. But he goes further, materializing his way of viewing things into a beautiful physical build — and the full explanation of how to do […]
The RP2350 MCU in A4 stepping. When Raspberry Pi’s new RP2350 MCU was released in 2024, it had a slight issue in that its GPIO pins would leak a significant amount of current when a pin is configured as input with the input buffer enabled. Known as erratum 9 (E9), it has now been addressed […]
WarGames fans, rejoice: [Nick Bild] has rebooted WOPR for real. In his latest hack, the Falcon, he recreates the iconic AI from the 1983 film using a Raspberry Pi 400, a vintage SP0256-AL2 speech chip from General Instrument, and Google’s Gemini LLM. A build to bring us back to the Reagan-era. Where most stop at […]
We like cyberdecks here at Hackaday, and in our time we’ve brought you some pretty amazing builds. But perhaps now we’ve seen the ultimate of the genre, a cyberdeck so perfect in its execution that this will be the machine of choice in the dystopian future, leaving all the others as mere contenders. It comes […]
For those of a certain age the first digital camera many of us experienced was the Game Boy Camera, an add-on for the original Game Boy console. Although it only took pictures with the limited 4-tone monochrome graphics of this system, its capability of being able to take a picture, edit it, create drawings, and […]
Computers and cellphones can do so many things, but sometimes if you want to doodle or take a note, pencil and paper is the superior technology. You could carry a device and a pocket notebook, or you could combine the best of analog and digital with the KeyMo. [NuMellow] wanted a touchpad in addition to […]
Our hacker [John Duffy] wrote in to let us know about a video he put together to explain the design of his open-source multimeter, the HydraMeter. If you’re interested in how the circuitry for a voltmeter, ohmmeter, or ammeter might work, this video is a masterclass. In this long and detailed video, [John] walks us […]
In the auto world, there are lots of overarching standards that all automakers comply with. There are also lots of proprietary technologies that each automaker creates and uses for its own benefit. [Shehriyar Qureshi] has recently been diving into Suzuki’s Serial Data Line standard, and has created a digital dash using the data gained. The […]
The rise of inexpensive yet relatively powerful electronics has enabled a huge array of computing options that would have been unheard of even two decades ago. A handheld gaming PC with hours of battery life, for example, would have been impossible or extremely expensive until recently. But this revolution has also enabled a swath of […]