A secure electronic voting system with real-time authentication and keypad enables accurate, tamper-proof voting through ...

I2C or inter-integrated circuit is a communication protocol which is very efficient. With it, one master can communicate to multiple slaves using just two pin, namely the SDA and SCL. It is a serial ...

Have you heard the saying “the problem is the solution”? It seems to originate in the permaculture movement, but it can apply equally well to electronics. Take the problem [shiura] ...

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 ...

The Premier Series of control panels provide high level menu driven programming via a comprehensive range of LCD keypads, minimising set up time and maximising reliability. Installation is further ...

The ST75256 is a graphic LCD controller capable of driving monochrome displays with various resolutions. This library provides a simple interface to control ST75256-based displays via I2C, with ...

Like a musician’s finely tuned instrument, the right keyboard can elevate your PC experience from run-of-the-mill to something sublime. Sure, any keyboard can handle basic internet needs and word ...

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 ...

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 ...