11032-Me Temperature and Humidity Sensor

De Frnexus.

Accueil#Panorama_des_capteurs_et_actionneurs_Makeblock

Sommaire

[modifier] Documentation

http://learn.makeblock.com/en/

Me Temperature and Humidity Sensor is a sensor that contains a calibrated digital signal output. It adopts specific digital module collecting technology and temperature-humidity sensing technology to ensure high reliability and excellent long-term stability. This module can measure the temperature from 0℃ to 50℃.

[modifier] Spécifications techniques

  • Power supply voltage: 5V DC
  • Control mode: Single bus digital signal
  • Power supply current: max 2.5mA
  • Temperature range: 0-50℃ ± 2℃
  • Humidity range: 20-90% RH ± 5% RH
  • Precision: 1% RH, 1℃
  • Module dimension: 51 x 24 x 18mm(L x W x H)
  • Connecting with RJ25

[modifier] Programmation Arduino

This is a routine to read the current temperature and humidity through Arduino programming. Me Temperature and Humidity Sensor-Arduino.png

[modifier] Programmation Scratch

[modifier] Fichier d'exemple

Fichier:MesureTemperatureEtHumidite-NeMarchantPas.sb2

[modifier] Principle analysis

Me Temperature and Humidity Sensor is composed of sensor DHT11, which comprises a resistive humidity-sensing component and an NTC temperature-measuring component. Calibration coefficients are stored in OTP memory in the form of program, and invoked by the sensor during processing the detection signal. Adopting single bus serial port, the sensor can implement two-way communication with the microprocessor by a bus only, and the time period of one communication is about 4ms. The system integration becomes quick and easy.

[modifier] Schematic

http://learn.makeblock.com/en/wp-content/uploads/2016/01/Huminity-and-temp.png

Outils personnels