Arduino has shrunk the UNO R4 with the Arduino Nano R4 board equipped with the same 48 MHz Renesas RA4M1 32-bit Arm ...

If, however, they don't seem to be a great fit for your needs, there are several other small Arduino boards you can use instead, including the Micro (18 by 48 mm), MKR Zero (25 x 61.5 mm) and MKR ...

Running out of GPIO pins? Learn how to connect multiple buttons to just one Arduino pin using clever wiring and resistor ...

Arduino Uno. 4-channel relay module. PIR motion sensor. Steps: Use Arduino to handle sensor input and relay control. Pi runs a Python Flask server with a simple UI to toggle GPIO pins via serial ...

Learn how Arduino makes use of object-oriented programming, or OOP, for maximum effect. Then discover how the robotics operating system ROS2 works to create more complex projects.

This one may be of interest to Gadget Masters, about how to interact with Arduino using Node-RED Control. It's an article covering the possibility of automating Arduino use via Node-RED's block ...