Questions tagged [arduino-uno-r4-wifi]

The tag has no usage guidance.

Filter by
Sorted by
Tagged with
2 votes
2 answers
454 views

Smoke coming out of Arduino Uno R4 Minima

My Arduino Uno R4 Minima started smoking after connecting to a computer. I disconnected it and visually checked it and I saw this bubble as shown on this photo. Can I recover my Uno from this to ...
szachy-a's user avatar
2 votes
1 answer
58 views

DHT11's data on MAX7219 reads 0

I want print data from a DHT11 (temperature and humidity) on a MAX7219 LED display but it only shows 0. Serial monitor, on the other hand, shows both humidity and temperature which means that my ...
Andrew Coz's user avatar
2 votes
0 answers
236 views

Uno R4 WiFi board is online but no OTA option for upload

I have followed these instructions to start using my new Uno R4 WiFi with the Arduino IoT Cloud. Everything works fine (even though sometimes the example screens do not exactly correspond with the ...
user2343618's user avatar