After this tedious step, he designed a PCB that hosts an Arduino Nano to accept input, two MCP23017 GPIO expanders to give it enough outputs, and CD4066BE CMOS switches to trigger the connections.

Elecrow hit Kickstarter with an electronics learning lab-in-a-box based around the Raspberry Pi. A 2nd generation crammed the lab into a laptop form factor. The CrowPi 3 "playground for programming, ...

Ideal for: AEC, GIS, and MCAD professionals who want to print maps, technical drawings, posters, and renders with precise, accurate line quality and crisp text. Media Sizes: Up to 24-inch wide ...

The four convicted 21 July plotters were "dedicated terrorists", the UK's top anti-terror officer has said. Deputy Assistant Commissioner Peter Clarke praised members ...

If you are completely new to using RFID, you can check out this tutorial on interfacing RC522 RFID module with Arduino , where we explore the basics of RFID technology with Arduino and how it works ...