Read Light Sensor (BH1750)

Read Temperature & Humidity (AHT25)

Read CO₂ Sensor

Read Water Temperature (DS18B20)

Read pH Sensor

Send All Readings to Main Controller / Display / Cloud

Start

Initialize all communication protocol

Sensor Initialization

Continuous Sensor Reading Loop

Delay 1 minute (or as configured)

Read EC Sensor

Read Ultrasonic Sensor