smart room - controller

Smart Room Controller

As a controller of A/C, controller.py create a multi-thread socket server to receive control command.

Main API Server will create a socket connection to controller and send payload for controlling A/C.

In our case, controller is running on a Raspberry Pi Zero W.

Payload

Socket transfer data type in bytes, the data structure above need to transfer (or encode) to bytes.

Available command set in config.py

• cool mode: 16C ~ 30C
  • (Room 602's AC cannot be set to 30 degrees, only 16 to 29)
• fan mode: fan
• turn off: off

Note: AC acts according to the command, so there is no power-on command.

IR Remote

• IR Config Files
  • AC IR remote record

Format

JSON string containing Python Dict object

• token: controller token
  • 32 bytes random number in hex
  • eg. e8b4ac80acc520ae59686b1c3715281ede9b61c547407a9c90371f1cb5dfeac2
• command: A/C command
  • set temperature or turn off
  • eg. 25C, off

emample

{
    "token": "TOKEN",
    "command": "25C"
}

Getting Started

Prerequisites

• python 3.7
• pipenv

Running Development

1. Installing Packages & Running

pipenv install --dev
pipvne run controller.py

2. (Optional) Version freeze to generate requirements.txt

pipenv lock --requirements > requirements.txt

Testing Command

• Test Connection Using nc $ nc [hostname] [port] <<< '{"token":"TOKEN","command":"25C"}'