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DataSheet

https://akizukidenshi.com/download/ds/aosong/DHT11.pdf


Tutorial:

https://iotbykarthik.wordpress.com/2016/02/07/dht11-spi-and-raspberry-pi/

IoT temperature and moisture sensor integrated to Node-RED and Bluemix IBM

https://developer.ibm.com/recipes/tutorials/iot-temperature-and-moisture-sensor-integrated-to-node-red-and-bluemix-ibm/


Amazon:

https://www.amazon.co.uk/Temperature-Relative-Humidity-Sensor-Arduino/dp/B00HI7LUKW/ref=cm_cr_arp_d_pdt_img_top?ie=UTF8



Configuration:


https://developer.ibm.com/recipes/tutorials/iot-temperature-and-moisture-sensor-integrated-to-node-red-and-bluemix-ibm/


node-red-stop


apt-get update -y

apt-get upgrade -y

npm install node-dht-sensor
(npm list | grep node-dht)


vi  /usr/local/lib/node_modules/node-red/settings.js
vi  /home/pi/.node-red/settings.js


Add to those 2 files:   sensorLib:require('node-dht-sensor'),sudo vi /home/pi/.node-red/settings.js

sudo vi /usr/lib/node_modules/node-red/settings.js

functionGlobalContext: {

     sensorLib:require('node-dht-sensor'),






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