Octopus Non-invasive AC current sensor (TA17-03) Brick

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Octopus Electronic Bricks, you can use them build electronics projects just as easy as piling bricks. By using Octopus electronic bricks, you may connect Arduino/Freaduino compatible boards easily with various digital, analog and I2C/Uart interfaces. These the breadboard-less firm connection are prepared to extensive modules like poteniometers, sensors, relays, servos…even buttons, just plug and play.

Octopus Non-invasive AC current sensor (TA17-03) Brick is Electronic building blocks, a transformer, an ammeter, a current sensor module, compatible with all kinds of Arduino electronic building blocks / sensor shield 3P electronic building blocks interface, input 5V - GND, S pin for output an analog voltage value. For details, see product manual. You can conveniently connect to the Arduino board via the Freaduino sensor shield or Freaduino UNO and similar sensors / electronic building block shield.

TA17-03 A.JPG TA17-03 B.jpg

Model: EF04016


  • Power supply needs: 5V
  • Interface type: Analog
  • Pin Definition: 1-Signal 2-VCC 3-GND
  • Wide detecting scope
  • Fast response and High sensitivity
  • Simple drive circuit
  • Stable and long life


Sensors power Measurement TA17-03 SSR002 03.jpg


Sensors power Measurement TA17-03 SSR002 02.jpg



Pin definition and Rating

GND VCC Signal
GND VCC Signal


  • 3P buckled wires connector


Hardware Installation



The projects and application examples.

TA17-03 C.jpg



SHD IOE01 6.jpg


Version Tracker

Revision Descriptions Release
v1.0b Initial public release date

Bug Tracker

Bug Tracker is the place you can publish any bugs you think you might have found during use. Please write down what you have to say, your answers will help us improve our



How to buy

Click here to buy: http://www.elecfreaks.com/estore/octopus-non-invasive-ac-current-sensor-ta17-03-brick.html

See Also

Other related products and resources.


This documentation is licensed under the Creative Commons Attribution-ShareAlike License 3.0 Source code and libraries are

licensed under GPL/LGPL, see source code files for details.

External Links

Links to external webpages which provide more application ideas, documents/datasheet or software libraries