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A Tool-changing 3D Printer For the Masses <img width="800" height="450" src="image alt="A preproduction U1 sitting on a workbench"/>Modern multi-material printers certainly have their advantages, but all that purging has a way to add up to oodles of waste. Tool-changing printers offer a way to do multi-material prints
Simulating the Commodore PET <img width="800" height="450" src="image alt="A view of the schematics for each major component."/>Over on his blog our hacker [cpt_tom] shows us how to simulate the hardware for a Commodore PET. Two of them in fact, one with static RAM and the other
Avocado Harvester is A Cut Above <img width="699" height="625" src="image alt=""/>For a farmer or gardener, fruit trees offer a way to make food (and sometimes money) with a minimum of effort, especially when compared to growing annual vegetables. Mature trees
Automated Brewing <img width="800" height="570" src="image alt=""/>There’s little more to making alcoholic beverages than sugar, water, yeast, and time. Of course those with more refined or less utilitarian tastes may want to invest a bit more
VIC-20 Gets ISA Slot, Networking <img width="800" height="600" src="image alt=""/>There are few computing collapses more spectacular than the downfall of Commodore, but its rise as a home computer powerhouse in the early 80s was equally impressive. Driven initially by
The Shady School <img width="800" height="452" src="image alt=""/>We can understand why shaderacademy.com chose that name over “the shady school,” but whatever they call it, if you are looking to brush up on graphics programming with GPUs, it
There’s nothing Mini About this Mini Hasselblad-Style Camera’s Sensor <img width="800" height="533" src="image someone hacks together a digital camera with a Raspberry Pi, the limiting factor for serious photography is usually the sensor. No offense to the fine folks at the foundation, https://hackaday.com/2025/08/25/theres-nothing-mini-about-this-mini-hasselblad-style-cameras-sensor/ https://hackaday.com/2025/08/25/theres-nothing-mini-about-this-mini-hasselblad-style-cameras-sensor/
Pi Port Protection PCB <img width="800" height="450" src="image alt=""/>We’re used to interfaces such as I2C and one-wire as easy ways to hook up sensors and other peripherals to microcontrollers. While they’re fine within the confines of a small