A lot of people have used ESP8266 to add inexpensive WiFi connectivity to their projects, but [Oscar] decided to take it one step further and program an Arduino over WiFi with the ESP8266.

Then, an Arduino board ... features of the R4 WiFi, it's still slightly cheaper than the R3 at $27.50. One of the most significant differences between the classic Rev3 and Uno's more recent ...

“Uno R4 WiFi includes ... so watch this space. WiFi’s LED matrix The on-board 12 x 8 (96pixel) matrix of red LEDs (photo right) is Charlieplexed for pixel-level addressing. Arduino_LED_Matrix API is ...

Arduino introduces its new module »Uno R4«. It is the successor of the R3 module and contains a Wi-Fi module in the extended version. It is also the first Arduino module with 32-bit microcontroller.

Arduino UNO R4 WiFi, Arduino UNO (R3 and older revisions), Arduino MKR WiFi 1010, Arduino Nano 33 IoT, Arduino RP2040 Connect, and Arduino UNO WiFi Rev2.

Powered by a 32-bit microcontroller, the new UNO R4 comes in two versions: the basic UNO R4 Minima and comprehensive UNO R4 WiFi ... with UNO R3 or Leonardo. Requests from the Arduino community ...