Table of Contents FunTechHouse_Thermostat Hardware Connections Arduino Arduino Client for MQTT Mosquitto, An Open Source MQTT v3.1 Broker LM35DZ

FunTechHouse_Thermostat

A thermostat for the FunTechHouse project. This project uses a Arduino with a Ethernet shield, and sends its results using MQTT to a Mosquitto server.

The sensor is a LM35DZ (10mV/C).

Hardware Connections

 LM35 - Arduino
 ---------------
 +Vs  - 5V
 Vout - A2   (Could be any from A0..A5)
 GND  - GND

 Arduino - Arduino 
 -----------------
 ARef    - 3.3V

Arduino

• http://www.arduino.cc/

Built on Ubuntu with:

• http://arduino.googlecode.com/files/arduino-1.0-linux.tgz

Tested on

• Arduino Uno
• Arduino Ethernet Shield

Arduino Client for MQTT

• http://knolleary.net/arduino-client-for-mqtt/
• https://github.com/knolleary/pubsubclient

Mosquitto, An Open Source MQTT v3.1 Broker

• http://mosquitto.org/

LM35DZ

• http://www.national.com/popr/LM35.html
• https://www.elfa.se/elfa3~se_sv/elfa/init.do?item=73-090-57&toc=19595

Fore more info:

• http://fun-tech.se/FunTechHouse/