The Uno R4 chip (pictured) that Arduino debuted today is the new top-end option in its Uno series of microcontroller boards. The series is the company’s most popular product line. The Uno R4 ...

The Arduino UNO is Arduino's flagship product and the Arduino UNO R4 is its fourth version. There are two types of Arduino UNO R4, the basic configuration 'UNO R4 Minima' and the 'UNO R4 WiFi ...