Deploy on raspberrypi

copy and modify example.env to .env

Configure the host of broker mqtt (mosquitto) on telegraf.conf line 6803. It's the same to the raspberrypi host.

Configure esp8266

1. open esp8266_mqtt.ino file and configure data to access your wifi network and host where located mqtt broker (raspberry host)
2. Upload esp8266_mqtt.ino code with arduino IDE on your esp8266 board.