I built a whole-home ad blocker with a $7 ESP32-S3 board - and it took just minutes ...

With the BlueDisplay library you create the GUI for your application, e.g. Graphics, Text, Buttons, Sliders and Charts on the Arduino itself. No Android programming required! The Arduino is connected ...

Control it with your smartphone and view the underwater scenery through a browser. A sci-fi dream realized with an ESP32 and a 3D printer. The ESP-FLY featured in the previous [Kato RC #29] was a $30 ...

If you've ever tinkered with hardware, chances are you've heard of the Raspberry Pi. It's a tiny, credit-card-sized single-board computer that has launched a million projects, from retro gaming ...

There’s something uniquely satisfying about a pen plotter. Though less speedy or precise than a modern printer, watching a pen glide across the page, mimicking human drawing, is mesmerizing. This ...

How old is the seven-segment display? Surely it is a product of the 1970s. After all, calculators started showing up, and the height of junior high humor was plugging 7734 into your calculator and ...

This document is aimed at the Arduino developers, radio experimenters, hobbyists and anyone interested in building a receiver based on the Si473X IC family from Silicon Labs. This project is about an ...