AZDelivery 5 x KY-015 DHT11 DHT-11 3 Pin Digital Temperature and Relative Humidity Sensor Module 3.3V 5V compatible with Arduino Including E-Book!

Have used these as part of my underfloor heating controls. Have placed one in each room and wired back to Raspberry pi 4 which controls the relay on each UFH circuit

🌡️ The AZ-Delivery DHT11 temperature and humidity sensor works reasonably well and includes a calibrated digital output with a reliable 8-bit microcontroller. It operates between 3.3V and 5.5V with a simple one-wire interface. Like all similar sensors, it benefits from software calibration if your controller ecosystem allows, as slight differences can occur even between identical boards, which is to be expected. The sensor element is not fixed to the PCB, so I added a spot of glue for better mechanical robustness. The pinout is clearly printed on the PCB, though mirrored underneath, which isn’t an issue as the orientation aligns with the legend.🌡️ I found the sensor very easy to connect and use, and the manual is a useful addition, providing detailed instructions and examples. I like that the manual is available online before purchase, allowing evaluation beforehand. These resources make setup straightforward and save time during configuration. ✔️

I am very pleased another purchase. Thermometers are precise, not tested for humidity reading

Simple and effective for providing data to Arduino display very good value for money

Had very poor results from these. The accuracy is low and the error margin was huge. I switched to DHT22s instead and only wish I had done so from the outset.I would only recommend these as cheap components for kids to play with or for projects where the results don't need to relate to reality.

Sent different item version and was not reading temperature or humidity right

Gives stable readings, easy to set up.