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liz-miller / DHTLogger

Simple data logger using Ardunio-Modules with ethernet connection (or ESP8266). Data from a DHT-Sensor is read and submitted via HTTP-Request to a server running PHP. A Simple example for one sensor with data acquisition to CSV files and plotting in JavaScript using DyGraph is included.

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DHTLogger

A simple project for temperature/humidity-logging and display using DHTxx-Sensors and an ethernet-capable Arduino.

  • Client-Side: Arduino Ethernet (or with wifi/ethernet shield) is reading a DHT-sensor and submitting data over HTTP-GET with a pre-shared key. You only need a working ethernet-interface and assign MAC/IP, that's it. The sensor is read out using the Adafruit DHT-Sensor-Library, but can be easily adapted to use e.g. TinyDHT
  • Server-Side and Plotting: A small PHP-Script receives the data sent from Arduino and writes to a CSV-File. Plotting is done using JavaScript with the Dygraph and PHP for file access.

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Simple data logger using Ardunio-Modules with ethernet connection (or ESP8266). Data from a DHT-Sensor is read and submitted via HTTP-Request to a server running PHP. A Simple example for one sensor with data acquisition to CSV files and plotting in JavaScript using DyGraph is included.

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