Home Environment Monitor

IOT home environment monitor based on esp8266 and micropython

Hardware

1. D1 Mini board with esp8266 chip
2. SSD1306, 0.96 inch 128x64 pixels, 7 pin OLED Screen
3. DHT11, Temperature and Humidity Sensor 
4. SGP30, CO2 and TVOC Sensor

Connection

D1 Mini Pin	ESP8266 Pin	SSD1306	DHT11	SGP30
D0	GPIO16
D1	GPIO5			SCL
D2	GPIO4			SDA
D3	GPIO0	RES
D4	GPIO2	DC
D5	GPIO14	D0
D6	GPIO12		OUT
D7	GPIO13	D1
D8	GPIO15	CS
RX	GPIO3/RXD
TX	GPIO1/TXD
A0	ADC0
G	GND	GND	-	GND
5V
3V3	3.3V	VCC	+	VCC
RST	RST

Firmware

MicroPython v1.13 2020-09-11;
ESP module with ESP8266

Communication

MQTT Protocal

1. download MQTT broker Emqx
2. go to directory emqx\bin\ , open shell, run comand "emqx start"
3. run command "emqx_ctl status" to check if node running

Upper Monitor Gui

runtime

CPython 3.8.0

additional packages

Dear PyGui 0.6.139
Paho-mqtt 1.5.1 

commands

run command "python monitor_gui\mqtt_sub_gui.py"

Prototype

Realtime Monitor