Features common to Arduino R4 – ‘WiFi’ (€25, below) and ‘Minima’ (€18, right) IO connections are in physically similar positions to Uno R3, and IO remains 5V.

The UNO R3+WiFi (ATmega328P+ESP8266) board is an unofficial Arduino Uno clone, but has Wi-Fi capabilities. It is promising for many do-it-yourself projects because you can use a single board to easily ...

Of all the problems you can have with your WiFi connection, not being able to get your laptop or phone online may be one of the most frustrating. You have a functioning gadget and a healthy ...