Questions tagged [arduino-uno-r4-wifi]
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6 questions
2
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1
answer
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Why this program runs on an R3 but will not run on R4 Wifi?
I have been working on this program for a few weeks now and finally got it somewhere near finishing. It uploads and seems to do what I want it to do on a R3 board but will not run on my R4 Wifi board ...
- 39
0
votes
1
answer
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Set SPI Mode on Arduino Uno R4
I am switching a code from Arduino Uno R3 to Arduino Uno R4 Wifi due to the limitation of RAM spaces on R3. I use a thermocouple shield and SD Card read/write shield with the project, which requires ...
- 3
2
votes
1
answer
110
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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 ...
- 53