IOT Sensors

Temperature and Humidity using DHT11 or BME280.

Gas, Pressure, Humidity, Temperture, Humidity using BME680

Accurate Temperature or Underwater Temperature using Dallas DS1820

Underwater PH

Soil Moisture

Soil PH Sensor

Soil NPK Sensor

Oxygen

CO2

Light

PIR Motion Sensor. Best how to:

https://create.arduino.cc/projecthub/electropeak/pir-motion-sensor-how-to-use-pirs-w-arduino-raspberry-pi-18d7fa