The MCP23017, a 16-bit I2C GPIO expander, has always been a tasty chip. With 16 GPIOs addressable over I2C, proper push/pull outputs, software-enabled pull-ups, eight addresses, maskable interrupts ...

The board in this article is not a dedicated board limited to a specific communication standard. The basic policy is to first build a stable 8-input/8-output I/O board using the ESP32-C6 + MCP23017, ...

Abstract: While celebrating the 21st year since the very first IEEE 802.11 “legacy” 2 Mbit/s wireless local area network standard, the latest Wi-Fi newborn is today reaching the finish line, topping ...

Abstract: Intelligent reflecting surface (IRS) is an enabling technology to engineer the radio signal propagation in wireless networks. By smartly tuning the signal reflection via a large number of ...

This is a concise Python 3 programming tutorial for people who think that reading is boring. I try to show everything with simple code examples; there are no long and complicated explanations with ...

Pac-Man, Galaga and Donkey Kong are three of the most iconic arcade machines of all times and are listed on places #1 to #3 on the Killer List of Video Games. Especially Pac-Man and Galaga have been ...