Seeed Grove Manual
Loudness sensor
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Summary of Contents for Seeed Grove
- Page 1 Grove - Loudness Sensor Release date： 9/20/2015 Version： Wiki: http://www.seeedstudio.com/wiki/Grove_-_Loudness_Sensor Bazaar: http:/www.seeedstudio.com/depot/Grove-Loudness-Sensor-p-1382.html?cPath=25_128...
- Page 2 Document Revision History Revision Date Author Description Sep 21, 2015 Victor.He Create file...
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Page 3: Table Of Contents
Contents Document Revision History · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · 2 1. - Page 4 Under the supervision of Seeed Technology Inc., this manual has been compiled and published which covered the latest product description and specification. The content of this manual is subject to change without notice.
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Page 5: Introduction
1. Introduction The Grove - Loudness Sensor is designed to detect the loudness of environmental sound. Based on amplifier LM2904 and a built-in microphone, it amplifies and filters the high frequency signal that received from the microphone, and outputs a positive envelop. This will make for Arduino’s signal acquisition. The output value depends on the level of sound input. -
Page 6: Specifications
2. Specifications Voltage 3.5~10 VDC Working Frequency 50~2000 Hz Sensitivity -48~66 dB Signal-to-noise Ratio >58 dB Output Signal range Analog Signal (0-1023) -
Page 7: Demonstration
Let's try to read the output value. As the picture on the below indicates, the Loudness sensor is connected to analog port A0 of Grove - Basic Shield Connect Arduino/Seeeduino to PC by using a USB cable. - Page 8 Upload the code. Then open the serial monitor to observe the output results. There will be a significant change when blow to the sensor. The blue line is the original signal from microphone and the yellow is the sig pin of Loudness Sensor. It is the original signal envelope that the module outputs.
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Page 9: With Raspberry Pi
You should have got a raspberry pi and a grovepi or grovepi+. You should have completed configuring the development environment, otherwise follow here. Connection. Plug the sensor to grovepi socket A0 by using a grove cable. Navigate to the demos' directory:... - Page 10 except IOError: print "Error" 5. Run the demo. sudo python grove_loudness_sensor.py...
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Page 11: Resource
4. Resource Grove - Loudness Sensor Eagle File Grove - loudness sensor pdf LM2904DR Datasheet... - Page 12 Mouser Electronics Authorized Distributor Click to View Pricing, Inventory, Delivery & Lifecycle Information: Seeed Studio 101020063...
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