Arduino Room Thermostat

Notes

Requirements

• Colour display - For cheapness a commonly available 3.2" TFT display incorporating a touch screen and SD card reader ILI9341 TFT Touch Screen
• WiFi Connectivity - Raspberry Pi Zero
• Temperature sensor - DS18B20 Programmable Resolution 1-Wire Digital Thermometer
• Real Time Clock - I2C RTC DS1307 Real Time Clock Module - Integral re-chargeable battery Tiny_RTC I2C Module
• Light Dependent Resistor - For sensing ambient light level
• Rotary Encoder - to change the temperature setting
• Buzzer for warning
• LED for indication

Install

sudo apt-get update
sudo apt-get upgrade
sudo apt-get install rpi-update
sudo rpi-update
sudo reboot

Links

• How to use interrupts with Python on the Raspberry Pi and RPi.GPIO – part 3