The Simplest Ultrasound Sensor Module, Minus the Module
https://hackaday.com/2025/11/16/the-simplest-ultrasound-sensor-module-minus-the-module/

Just about every “getting started with microcontrollers” kit, Arduino or otherwise, includes an ultrasonic distance sensor module. Given the power of microcontrollers these days, it was only a matter of …read more (https://hackaday.com/2025/11/16/the-simplest-ultrasound-sensor-module-minus-the-module/)

Hackaday Links: November 16, 2025
https://hackaday.com/2025/11/16/hackaday-links-november-16-2025/

We make no claims to be an expert on anything, but we do know that rule number one of working with big, expensive, mission-critical equipment is: Don’t break the big, …read more (https://hackaday.com/2025/11/16/hackaday-links-november-16-2025/)

Supersized Calculator Brings the Whole Intel 4000 Gang Together
https://hackaday.com/2025/11/16/supersized-calculator-brings-the-whole-intel-4000-gang-together/

The museum-quality hack. Three 4003 shift registers are on the left, with a 4001 ROM above the 4004 CPU in the center, flanked by three 4002 RAM “chips” on the right. Photo by [Klaus Scheffler].
" data-medium-file="https://hackaday.com/wp-content/uploads/2025/11/enter-museum-preview.jpg?w=400" data-large-file="https://hackaday.com/wp-content/uploads/2025/11/enter-museum-preview.jpg?w=800">Though mobile devices and Apple Silicon have seen ARM-64 explode across the world, there’s still decent odds you’re reading this on a device with an x86 processor — the direct …read more (https://hackaday.com/2025/11/16/supersized-calculator-brings-the-whole-intel-4000-gang-together/)

An Introduction to DC Motor Technology
https://hackaday.com/2025/11/16/an-introduction-to-dc-motor-technology/

[Thinking Techie] takes us back to basics in a recent video explaining how magnets, coils, brushed DC motors, and brushless DC motors work. If this is on your “to learn” …read more (https://hackaday.com/2025/11/16/an-introduction-to-dc-motor-technology/)