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  1. raspberry pi - OSError: [Errno 110] ETIMEDOUT - Stack Overflow

    Apr 9, 2024 · I am trying to use a DHT11 sensor with 3 pins from my elegoo kit. I have followed the data sheet and connected the 3 pins correctly but each time I try and run different codes, I get this error: …

  2. STM32 freeRTOS program stuck in vPortEnterCritical () while getting ...

    Sep 3, 2024 · I programmed a freeRTOS on STM32F407 Can use 4x4 matrix keyboard to get data such as temperature and humidity below code is keyboard task that keep scanning 4x4 matrix keyboard's …

  3. How can I get accurate value of temperature and humidity from DHT11 …

    Oct 1, 2020 · 2 From DHT11 datasheet, it only supports resolution to 1 degree Celsius and 8bits for humidity leading to the integer like floats. Also something to keep in mind is the units that the DHT11 …

  4. DHT11 Error compiling for board Arduino/Genuino Uno

    Sep 7, 2017 · I am having a problem with is Arduino code. It is a project called the Segment LED show temperature & humidity. The Arduino board that I am using is a Uno Freaduino 2016 board. …

  5. DHT11 sensor giving NAN for Temperature and Humidity

    Apr 1, 2024 · I am working on an Arduino Smartwatch with an RTC Module and a DHT11 Temperature Sensor. I have not connected the RTC Module yet since I am receiving an NAN for the Temperature …

  6. java - read temperature from DHT11, using pi4j - Stack Overflow

    I've the same issue and, unfortunately, I've read that Java cannot read data from DHT11/22 in this way for timing problems. I've found in the Raspberry Forum a thread where you can find some solutions …

  7. python - unable to set line to input - Stack Overflow

    Jun 13, 2022 · I am trying to read humidity and temperature values from the AM2301(DHT21). for that I am using the adafruit_dht library which is written for DHT11 & DHT22. because I can't find any …

  8. arduino - Getting 'NaN' when I try to read temperatures with DHT11 …

    Apr 8, 2021 · Pictures of the wiring of the DHT11 to the ESP When I try to read temperatures in Fahrenheit, Celsius and to get the Humidity, it always says 'nan' on the serial monitor.

  9. Getting NAN-Readings from DHT-11 Sensor - Stack Overflow

    Nov 29, 2016 · DHT11 does not send any floating point type. For each reading it sends 2 bytes: the integer value and the fractional value. So any NAN must be the result of your code. When developing …

  10. DHT11 value returns 0, but sensor is working - Stack Overflow

    Apr 17, 2024 · I'm working on a program that processes the data from a DHT11 sensor and returns the output to USART. I am using an STM32 F4 microcontroller for this project. It seems that I got …