martin/aqhomecontrol

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Martin Preuss 155b9c6f52 use markdown from gitea.

2025-12-26 23:57:54 +01:00

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Aquamaniac Home Control System (AqHCS)

Overview

Home automation/control system consists of multiple parts:

nodes
- small PCBs based on AVR microcontrollers
  - AtTiny84
  - AtTiny85
  - AtTiny841
  - AtMega644
- modular operating system written in AVR assembler
- driver modules for busses:
  - one-wire bus
  - two-wire-bus
  - SPI bus
  - UART
- driver modules for devices/sensors modules:
  - DS18b20 sensors for temperature measurement
  - SI7021 sensors for temperature and humidity measurement
  - SGP_30 sensors for air quality measurement
  - ccs811 sensors for air quality measurement
  - SK6812 LED driver
  - I2C displays (work-in-progress)
  - SPI displays (work-in-progress)
- inter-node communication stack using two wires (clock/data)
applications
- aqhome-data
  - TCP data service receiving sensor data
- aqhome-nodes
  - service receiving sensor data via inter-node bus from nodes and forwarding that data to aqhome-data
- aqhome-mqttlog
  - service exchanging data between aqhome-data service and a mqtt server
- aqhome-react
  - service reacting to data received by aqhome-data (home automation service)
- aqhome-tool
  - tool to manipulate aqhome-data (e.g. edit devices and values, adding data points, create graphs from aqhome-data)
  - tool to flash firmware for nodes, list nodes
- aqhome-cgi
  - HTTP service for user interaction with aqgome-data