DS18B20 is a single-bus digital temperature sensor with features of ultra-small size, wide range of applicable voltage and measurable temperature and high resolution.

ITEAD's light sensor is mainly used to detect the intensity of light in the environment.

This module is based on the popular L298N H Bridge DC Motor Driver . The circuit will allow you to easily and independently control two motors up to 2A each in both directions.

Electronic Brick - Soil moisture sensor is mainly used to detect soil moisture content . The module can obtain the soil moisture value or limit through analog or digital pins.

8 relay module with ports " NC " means " Usually connected to COM " and ports "NO" means " Usually open to COM ".

BTBee Pro is a Bluetooth serial port module that can be compatible with shields that have XBee socket.