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An arduino and DHT11 based temperature and humidity logger built using MySQL and PHP. It visualizes data as a graph.

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Name		Name	Last commit message	Last commit date
Latest commit History 39 Commits
Arduino Sketch/DHT11_mysql		Arduino Sketch/DHT11_mysql
PHP		PHP
.gitattributes		.gitattributes
README.md		README.md

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Temperature-logger_PHP_MySQL

Working:

Display Temperature and humidity Data from NodeMCU as a graph in webpage

Features:

Auto Refresh the website
MySQL based
Displays temperature and humidity data in separate graphs.
Added CSS, so visually looks better.
Out of the box compatibility with NodeMCU. For other MCUs minor alterations are needed.

How to use?

Upload the code in Arduino Sketch to NodeMCU
Paste the PHP folder in htdocs folder
Start visualizing temperature and humidity data by opening index.php

Libraries needed:

DHT.h
WiFiClient.h
ESP8266WiFi.h
ESP8266WebServer.h
ESP8266mDNS.h
SPI.h

TODO

Auto Refresh
Auto Refresh with one output at a time (not all outputs at a time)
Add CSS and make it look good, preferably add Gauges to display Data
Set Graph axes min and max
Display latest 15 Data in Graph
Work on readme

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An arduino and DHT11 based temperature and humidity logger built using MySQL and PHP. It visualizes data as a graph.

visualization iot arduino dht11

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