A keypad is one of the most commonly used input devices in microprocessor applications. In a standard keypad wired as an X-Y switch matrix, normally-open switches connect a row to a column when ...

The project presents the code that is used to perform keyboard polls, character translation, and management of LOCK keys while showing the results in a LCD. The project presents the code that is used ...

You don’t have to have high-quality parts to play around with electronics and here’s a great example. [Vishal] used junk to play around with CapSense, the touch sensitive Arduino library. What he ...

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

We’ve featured loads of IR Arduino projects and they are all exciting and unique. The projects spring from a specific need or problem where a custom infrared remote control is the solution. [Rick’s] ...

With their cheap price tags, massive I/O provisions, and low power consumption, microcontrollers like the uber-popular ...

When it comes to performance, there's a world of difference between the Raspberry Pi and Arduino. The former, after all, is technically a fully functional computer that can run games, word processors, ...