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Tagged with dht22 temperature-sensor
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Which temperature sensor is accurate?
I have an Arduino Nano RP2040 Connect with two temperature sensors. A DHT22 is connected to D2 and pulled up with a 5 kΩ resistor to 5V, and a LSM6DSOX IMU is built in to the board. Here's my code:
#...
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DHT22 sensor reading code interprets negative values weirdly
The following code reads the DHT22 temperature and humidity values, assuming the pin value as the sensor's host pin.
When the temperature drops below 0°C, this code returns inadequate values in the ...
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DHT11 analog or digital?
I saw some projects with DHT11, some connect it with analog pin, others connect with digital pin.
Is there any difference / advantage connecting to the analog?
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