Here’s a fun build from [RootSaid] that is suitable for people just getting started with microcontrollers and robotics — an Arduino-controlled two-wheeled robot. The video assumes you already have one ...

A keyboard matrix circuit is a design used in most electronic musical keyboards and computer keyboards in which the key switches are connected by a grid of wires, similar to a diode matrix. This kind ...

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 ...

Abstract: In an era where homeowners frequently leave for work or education, robust security for residences is imperative. Traditional security measures, including window and door locks, present ...

This API is forked from the original Python Arduino Command API to add support for Python 3. The Arduino-Python3 Command API is a lightweight Python library for communicating with Arduino ...

Abstract: I welcome you to the fourth issue of the IEEE Communications Surveys and Tutorials in 2021. This issue includes 23 papers covering different aspects of communication networks. In particular, ...

NetCube Systems Nagami is a small Allwinner T113-S3 system-on-module that I just saw added to Linux 6.18. Besides mainline Linux support, the Allwinner SoM offers somewhat unique or unusual features ...

A lot of US business phone numbers have letters in them so they can be more easily remembered. Your iPhone has a number and letter keypad; each number corresponds to three or four numbers. To dial ...