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Arduino's new DIY electronics starter kit has an UNO R4 board

A rduino boards are a popular choice for DIY electronics, but it's not always clear how to get started with building projects ...
Design News

How to Build a 4-Channel Wireless Sensor System

Search around online IoT communities and resource sites such as thingspeak and you can find several examples of Wi-Fi-based, Arduino-sourced projects that include a popular wireless sensor application ...