SEN-12017

Series:	--
Part Status:	Obsolete
Sensor Type:	Touch, Capacitive
Sensing Range:	12 Buttons/Keys
Interface:	I²C
Sensitivity:	--
Voltage - Supply:	--
Embedded:	--
Supplied Contents:	Board(s)
Utilized IC / Part:	MPR121

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SEN-12017 Application Field and Working Principle

SEN-12017 is a Ultrasonic Rangefinder Evaluation Board from SparkFun, which can quickly measure the distance between the board and the detected object. This is realized by transmitting a sound pulse and then measuring the time difference between the transmitted and reflected sounds. The user can measure up to four meters away with this board. SEN-12017 not only simplifies the task of adding Ultrasonic rangefinder to your project, but also provides a convenient way to access the output of the data. This article will take a closer look at the application area and working principle of SEN-12017.

Application Field

The SEN-12017 evaluation board is an excellent choice for applications requiring accurate range sensing and tracking. Some typical applications of SEN-12017 include robotic navigation, indoor location-based services, and distance measurement. It can also be used for environmental monitoring, detecting changes in air quality and humidity.Robotic navigation: SEN-12017 can be used to monitor the distance between the robot and the obstacles it is avoiding. This range information is critical for robots to accurately control their movement and avoid running into the obstacles. Indoor location-based services: Ultrasonic rangefinders can be used to locate objects precisely indoor. With SEN-12017, systems can accurately determine the position of objects within a few centimeters.Distance Measurement: The device is also used for distance measurements such as measuring the height of buildings, the depth of rivers, or the area of a lake. Environmental Monitoring: The sensor can also be used to measure changes in the air quality or humidity within a room.

Working Principle

The SEN-12017 evaluation board is based on the principle of ultrasound wave reflection. A sound wave is emitted from the evaluation board and then the reflected wave is detected. The time difference between the emitted and received signals is then used to calculate the distance between the board and the object.The board consists of an ultrasonic transducer, which is responsible for both transmitting and receiving sound energy. When the transducer is triggered, it sends out an ultrasound wave at high frequency. This wave travels through space and if there is an object within its range, it will reflect back to the transducer. The time difference between the emitted and received wave is then used to calculate the distance between the transducer and the obstacle.

Conclusion

The SEN-12017 Evaluation Board is a convenient and accurate way to measure the distance between objects in a variety of applications. Its small size and low power requirements make it ideal for use in embedded systems. With its built-in circuitry, interfacing the circuit with a microcontroller board can be done with minimal effort. The board leverages the principle of ultrasound reflection to accurately measure the distance between it and an object. By understanding the application fields and working principle of SEN-12017, users can easily take advantage of its powerful features.

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