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SeeedStudio Grove TA12-200, Manual

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SeeedStudio Grove TA12-200 Manual Download Page 1

1 

 

 

 

Grove - Electricity Sensor 

Version

：

  

 

 

1.0 

Release date

：

   

2015/9/22 

Wiki: 

http://www.seeedstudio.com/wiki/index.php?title=Twig_-_Electricity_Sensor

 

Bazaar: 

http://www.seeedstudio.com/depot/Grove-Electricity-Sensor-

p-777.html?cPath=25_28

 

Summary of Contents for Grove TA12-200

Page 1: ...ctricity Sensor Version 1 0 Release date 2015 9 22 Wiki http www seeedstudio com wiki index php title Twig_ _Electricity_Sensor Bazaar http www seeedstudio com depot Grove Electricity Sensor p 777 html cPath 25_28 ...

Page 2: ...2 Document Revision History Revision Date Author Description 1 0 Sep 22 2015 Loovee Create file ...

Page 3: ...ent Revision History 2 1 Introduction 2 2 Features 3 3 Application Ideas 4 4 Specification 5 4 1 Key Specification 5 4 2 Electronic Characteristics 5 5 Usage 6 5 1 With Arduino 6 5 2 With Raspberry Pi 8 6 Resources 10 ...

Page 4: ...ision 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 Copyright The design of this product including software and its accessories is under tutelage of laws Any action to violate relevant right of our product will be penalized through law Please conscious...

Page 5: ...ion The Electricity sensor module is a member of Grove It is based on the TA12 200 current transformer which can transform the large AC into small amplitude You can use it to test large alternating current up to 5A ...

Page 6: ...3 2 Features Grove compatible interface Maximum 5A input High accuracy Small size ...

Page 7: ...4 3 Application Ideas Alternating current measurement Device condition monitoring ...

Page 8: ...IG NC NC GND ROHS YES 4 2 Electronic Characteristics Items Min Norm Max Unit Transformation ratio 2000 1 Input Current 0 5 A Output Current 0 2 5 mA Sampling Resistance 800 Ω Sampling Voltage 0 2 V Working Frequency 20 20K HZ Nonlinear scale 0 2 Phase Shift 5 Operating Temperature 55 85 Dielectric strength 6 KVAC 1min ...

Page 9: ...he alternating current wire through the hole of the current transformer Copy and paste code below to a new Arduino sketch Function Measure the amplitude current of the alternating current and the effective current of the sinusoidal alternating current Hardware Grove Electricity Sensor Date Jan 19 2013 by www seeedstudio com define ELECTRICITY_SENSOR A0 Analog input pin that sensor is attached to f...

Page 10: ...Serial println effective_value 1 void pins_init pinMode ELECTRICITY_SENSOR INPUT Function Sample for 1000ms and get the maximum value from the SIG pin int getMaxValue int sensorValue value read from the sensor int sensorMax 0 uint32_t start_time millis while millis start_time 1000 sample for 1000ms sensorValue analogRead ELECTRICITY_SENSOR if sensorValue sensorMax record the maximum sensor value s...

Page 11: ...et A0 by using a grove cable 4 Navigate to the demos directory cd yourpath GrovePi Software Python To see the code nano grove_electricity_sensor py Ctrl x to exit import time import grovepi Connect the Grove Electricity Sensor to analog port A0 SIG NC NC GND sensor 0 grovepi pinMode sensor INPUT Vcc of the grove interface is normally 5v grove_vcc 5 while True try Get sensor value sensor_value grov...

Page 12: ...rent 1 414 minimum_current 1 1024 grove_vcc 800 2000000 1 414 8 6 mA Only for sinusoidal alternating current print sensor_value sensor_value print The amplitude of the current is amplitude_current mA print The effective value of the current is effective_value mA time sleep 1 except IOError print Error 5 Run the demo sudo python grove_electricity_sensor py ...

Page 13: ...10 6 Resources Grove Electricity Sensor Eagle File Schematic in PDF ...

Page 14: ...Mouser Electronics Authorized Distributor Click to View Pricing Inventory Delivery Lifecycle Information Seeed Studio 101020027 ...

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