Im troubling to have my DHT22 read output. I am using a Arduino Uno, and a Macbook -I have connected: Pin1 to 5v Pin2 to digital 2 Pin 4 to GND Between pin1 and pin2 there is a 4.7K resistant The Serial Monitor error says "Failed to read from DHT sensor!" My code: // Example testing sketch …

Problem controlling humidity and temperature sensor, DHT22

system April 10, 2018, 11:52am 4

I suggest that you edit the DHT.h file and do this:

// Uncomment to enable printing out nice debug messages.
//#define DHT_DEBUG

Topic		Replies	Views
DHT22 Sensor Programming Help Programming	5	1526	May 5, 2021
DHT22 PROBLEM Programming	3	1080	May 5, 2021
DHT22 Tem/Hum Sensor Reading Problem General Guidance	2	1521	May 5, 2021
Problem with dht 22 (Error reading temperature! Error reading humidity!) Programming	10	7585	May 5, 2021
Cannot get any readings from DHT22 connected to Arduino M0 Pro Programming	2	503	May 5, 2021