SanDisk's massive 8TB SD cards are finally close to launch

The SD Association's booth at Computex 2026 included spec sheets for new 4TB and 8TB SDUC memory cards. Multiple ...
EDN

Memory card interfaces keep pace with the internal bus evolution race: Part 1

Clock speeds get faster. Per-cycle (and per-clock edge) address and data dollops get larger. And protocols get more efficient ...
GitHub

ACSI2STM: Atari ST hard drive emulator

This project is a hard drive emulator for your Atari ST using an inexpensive STM32 microcontroller and a SD card. The aim of this project is to be very easy to build, extremely cheap, reliable and ...
Hackaday

Building A Device To Map Magnetic Fields

Magnetic fields are all around us. We can’t really feel or see them ourselves, per se, but we can map them with the right hardware, like this device built by [edosari50]. The build uses an ESP32 ...
Hosted on MSN

DIY face mask with animating LEDs

Let's make a Face Mask with LEDs! **Materials:** - Individually addressable LED strip soldered in a 30 x 12 LED grid - Arduino Micro - SD card reader module - Push button - 10,000 mAh power bank - ...