The Spectra smartwatch features a 1.8 inch, 368 x 448 pixel OLED display, an ESP32-S3 microcontroller, and a custom JavaScript-based operating system called SpectraOS that’s built on the open source ...

The Cheap Yellow Display (CYD) is an ESP32 development board that’s been making the rounds for a while now, thanks to its value and versatility. For around $10 USD, you get a nicely integrated package ...

Hi, I'm Bill. I'm a software developer with a passion for making and electronics. I do a lot of things and here is where I document my learning in order to be able to inspire other people to make ...

Sometimes you need to create a satellite navigation tracking device that communicates via a low-power mesh network. [Powerfeatherdev] was in just that situation, and they whipped up a particularly ...

Remember the good old PDAs or Personal Digital Assistants that people used for taking notes, keeping schedules, keeping a tab on contacts, and such stuff? Here is what can be said as a modern take on ...