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https://github.com/demian85/home-server

Web App and server to manage appliances at home using ESP8266-based devices like Sonoff, NodeMCU and Wemos D1 Mini
https://github.com/demian85/home-server

appliance arduino domotics esp8266 firmware home-automation iot javascript mqtt nodejs nodemcu sensor sonoff wemos-d1-mini

Last synced: 3 months ago
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Web App and server to manage appliances at home using ESP8266-based devices like Sonoff, NodeMCU and Wemos D1 Mini

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README 

        
# home-server



A custom server for managing appliances at home using ESP8266-based devices like [Sonoff](http://sonoff.itead.cc/en/) and [Wemos D1 Mini](https://wiki.wemos.cc/products:d1:d1_mini)



_Screenshots_



![Dashboard](./screenshot1.jpg)



![Hardware setup](./hardware-setup1.jpg)



## Motivation



I bought a bunch of Sonoff devices and decided to upgrade their firmware to [Sonoff-Tasmota](https://github.com/arendst/Sonoff-Tasmota).



By replacing the stock firmware, I can have complete control over the device.

Sonoff-Tasmota uses MQTT as the underlying protocol for communication between a broker and the device.



After using [MQTT Dash](https://play.google.com/store/apps/details?id=net.routix.mqttdash&hl=en) for some time, I decided to build a Progressive Web App.



## Setup



Server runs on a local Raspberry PI model 3 B+ which has the following services:



- [Mosquitto MQTT Broker](https://mosquitto.org/)

- [Redis server](https://redis.io/)



I currently own 6 Sonoff devices, which are connected to the following appliances:



- Patio lamp

- Desk lamp

- Room lamp

- Room heater 1 (this one also reports values from its SI7021 temperature and humidity sensor).

- Room heater 2

- Wall socket



I also have a bunch of sensors connected to a Wemos D1 Mini (flashed with the same firmware above) in my living room:



- [DHT22/AM2301](https://www.sparkfun.com/datasheets/Sensors/Temperature/DHT22.pdf) temperature and humidity sensor

- [HC SR501](https://components101.com/hc-sr501-pir-sensor) PIR motion sensor

- [BMP280](https://components101.com/sensors/bmp180-atmospheric-pressure-sensor) temperature and atmospheric pressure sensor

- [BH1750](https://www.mysensors.org/build/light-bh1750) light level sensor

- Infrared receiver and remote control

- RF transmitter and receiver



## How it works



All devices establish a connection to the MQTT broker and report their state while also subscribing to a control topic, allowing you to switch them on/off.



Server runs as a daemon and subscribes to all sensor topics. Some logic decides when to switch the room heater on/off.



The UI is built on React and consists of simple components that allow the user to switch the appliances on/off and view sensor, weather and derived data, like the "real feel" temperature.



The browser keeps a connection to the MQTT broker over a Websocket.



## What's next?



Not sure, but I recently started playing with electronics and found home-automation to be my new hobby.



I'll keep experimenting with dev boards like Arduino, NodeMCU, ESP8266 and Sonoff devices. They are low cost devices that allows easy customization.



### Possible next projects:



- Automatic plant watering for my garden 🌻

- OLED display screen showing sensor data 📺

- Remote controled car 🚙



### Fix Redis AOF file if needed



- `redis-check-aof --fix /var/lib/redis/appendonly.aof`