The SPI protocol is a "standard" for serial communication, however there exists many variants. This document only describe the four modi typical used in the Arduino context. The SWSPI library ...

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 ...

If you're looking to make yourself somewhat more productive on this lazy weekend, and you've got an Arduino or two collecting dust, we've got just the thing to add line after line to your dwindling to ...

Earle F. Philhower, III has just released the Raspberry Pi Pico Arduino core 4.0 with support for a range of Raspberry Pi RP2350 boards beside the official Raspberry Pi Pico 2. Add VFS to enable POSIX ...

The Arduino development team has today announced the availability of a new Arduino IDE in the form of Arduino 1.8.11. The open-source Arduino Software (IDE) makes it easy to write code and upload it ...

Following on from the announcement by Arduino that the new Arduino Create web based IDE is progressing as planned and is now available as hourly builds. Arduino has also this week announced the ...

This is a simple 0 to 9 counter circuit constructed using Arduino! Here, a common cathode 7-segment LED display is connected to Arduino for displaying the digits. The code (Arduino sketch) allows push ...