ICStation team introduce you this Ultrasonic Distance Display ISD1820 Voice Alarm System based on ICStation UNO. This system can be made easily with low cost and is suitable for automobile and Workshop and so on. <br /> <br />To make this system, we need the following components: <br />icstation UNO: <br />http://www.icstation.com/product_info.php?products_id=3516 <br /> <br />HC-SR04 Distance Transducer Sensor: <br />http://www.icstation.com/product_info.php?products_id=1389 <br /> <br />ISD1820 Voice Board: <br />http://www.icstation.com/product_info.php?products_id=1562 <br /> <br />More details: <br />http://www.instructables.com/id/Ultrasonic-Distance-Display-ISD1820-Voice-Alarm-Sy/
