An hourglass tells you what it is in the name — a glass that you use to measure an hour of time passing by. [EDISON SCIENCE CORNER] has built a digital project that mimics such a thing, with little ...

The Sharp PC-G801 was an impressive little pocket computer when it debuted in 1988. However, in the year 2025, a Z80-compatible machine with just 8 kB of RAM is hardly much to get excited about.

The Arduino UNO R4 brought a modern 32-bit platform to the classic UNO form factor, adding higher voltage tolerance, USB-C, a Renesas RA4M1 MCU, and a long list of robustness upgrades. The WiFi ...

VCC Power Connects to 3.3V on the Pico. GND Ground Common reference ground. MISO/DO Master In Slave Out SD → Pico data line. MOSI/DI Master Out Slave In Pico → SD data line. SCK SPI Clock Clock signal ...

Many projects have existed out there (check out @samyk !) that turn Arduino HID keyboard devices into USB rubber ducky-likes. However, these devices are already themselves HID devices, and just ...

This versatile temperature sensor is one of many viable alternatives. Temperature is the most widely sensed real-world parameter, and knowing the temperature with some combination of accuracy, ...

Keypad phones, believe it or not, are still in use, and there is a surprising amount of variety to choose from. Some of the phones include 4G connectivity, cameras, and are built to last. If you're ...

In this project, I aimed to practice object-oriented programming (OOP) in Java and learn how to work with GUIs using Java Swing Framework. The game includes functionalities such as card drawing, ...