This simple shield for Arduino* features a line sensor, motor driver, buzzer, LEDs and a switch. It comes with four IR sensor boards (lower picture) and cables to connect them to the shield. * See Arduino Compatibility Issue below. Arduino Shield Interfaces - DC Motor Interface (drives two DC motors for robots)
This interface is built using the L293D DC Motor Driver IC.
 - Line Sensor / Obstacle Sensors (four sensor boards included)
Use these sensors to make a robot follow a line (black on white) or to detect obstacles within 6cm. This is built using IR Transceiver and Comparator IC LM324.
- Buzzer or Servo Motor
Selectable via jumper. The buzzer can be used to generate sounds or simple tunes.
- Switch or Servo Motor
Selectable via jumper. The switch can be used to start your robot or some other action. You will have to write your own code to read the switch.
- Two LEDs
Arduino Compatibility Issue Note: This Arduino shield has female headers, so it will not plug into actual Arduino boards — only some third-party "Freeduino" clones that have male headers, such as the Freeduino-DU and the Freeduino-2560-ADK, as well as the EEDT 6.0 and the Freeduino Rich Board. You will need male-male header pins in order to plug this shield into a standard Arduino board. Download User Manual and Schematics
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