![]() This is a summary of circuit required parts. The image below shows project circuit diagram. Interfacing DHT11 Temperature & Humidity Sensor with STM32 Blue Pill circuit: ![]() The differences between the 2 types are summarized below: DHT11 ASAIR VS AOSONG There are two types of the DHT11 sensor: old type (AOSONG) and new type (ASAIR). The DHT11 sensor can work with 3.3V and 5V microcontrollers with no problem. The DHT11 sensor uses only one data pin for the communication with the microcontroller which makes the connection circuit very simple. This sensor uses a resistive-type humidity measurement component and an NTC temperature measurement component which are connected to an integrated 8-bit microcontroller. The DHT11 is a device used to measure temperature and relative humidity. Interfacing STM32 Blue Pill with 1602 LCD To see how to interface STM32 Blue Pill board with 16×2 LCD go to the the following post: The STM32 Blue Pill board MCU reads temperature (in ☌) & humidity (in rH%) values from the DHT11 sensor and print their values on 16×2 LCD display. ![]() We will also see the simulation of the STM32F103C8T6 Blue Pill board with the DHT11 sensor using Proteus simulation software. ![]() This post shows how to interface STMicroelectronics ARM Cortex-M3 microcontroller based STM32F103C8T6 Blue Pill development board with DHT11 digital temperature & humidity sensor where Arduino IDE software is used to write the interfacing program. ![]()
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