IOT

Server

MQTT server

Mosquitto

[Mosquitto ]

Vernemq

[VerneMq ]

Add User

• Add user

vmq-passwd -c /etc/vernemq/vmq.passwd henry

• Delete User

vmq-passwd -D /etc/vernemq/vmq.passwd henry

Show plugins

Show plugins vmq-admin plugin show

Enable Plugin vmq-admin plugin enable --name=vmq_acl

Disable a plugin vmq-admin plugin disable --name=vmq_acl

Hardware

[NodeMCU Lua ESP8266 ESP-12 WeMos D1 Mini WIFI 4M Bytes Development Board Module]

[Adafruit HUZZAH ESP8266]

Mode GPIO0 GPIO2 GPIO15

• Flash (démarrage normal: exécution du programme installé en Flash) 3.3v 3.3v GND
• UART (upload à partir de la liaison série) GND 3.3v GND
• SDIO (démarrage à partir d'une carde SD) peu importe peu importe 3.3v

IDE Arduino

Configuration

General

1. File -> Preferences -> Additional Boards Manager URLs : http://arduino.esp8266.com/stable/package_esp8266com_index.json
2. Tools -> Boards -> Boards Manager:
   1. Search for ESP8266
   2. Install Esp8266 by Esp8266 Community

NodeMCU Lua ESP8266 ESP-12 WeMos D1 Mini WIFI 4M Bytes

• Tools -> Boards -> "WeMos D1 R2 & Mini"
• CPU Frequency 80 Mhz
• Upload Speed -> 115200

Adafruit HUZZAH ESP8266 breakout

• Tools -> Boards -> "ESP32 Dev Module"
• CPU Frequency 80 Mhz
• Upload Speed -> 115200

HiGrow

• Tools -> Boards -> "Adafruit HUZZAH ESP8266"
• CPU Frequency 80 Mhz
• Upload Speed -> 921600
• Flasj Mode -­ DIO

Huzzah Reset

1. Hold down the GPIO0 button, the red LED will be lit
2. While holding down GPIO0, click the RESET button
3. Release RESET, then release GPIO0
4. When you release the RESET button, the red LED will be lit dimly, this means it's ready to bootload

Lolin NodeMcu v3

• Tools -> Boards -> "NodeMcu 1.0 (ESP-12E" Module)
• CPU Frequency 80 Mhz
• Upload Speed -> 115200

TRoubleShooting

sync

1. Try to load a new project