AC Current Sensing

Supported Three Types of LCDs

Supported Radio

Other Resources

  • Two buttons to control (operate one analog pin)
  • On board four pins IIC interface, SDA, SCL, 5V, GND
  • Fully compatible with Ethernet Shield (Wiznet 5100 + SD)
  • Occupied extra pins are listed on board, easy to find and use.

Documentation: Please see the demo code on this page.

Additional information

Weight 0.03 kg

5 reviews for Arduino Energy Monitoring Shield R2.1

  1. 5 out of 5

    remymorra (verified owner)

    very usefull product

  2. 4 out of 5

    thiagoas (verified owner)

    Great shield, came with some soldering problems, but easily fixed.

  3. 5 out of 5

    eceronv (verified owner)

    Great product, easy to use, powerfull features.

  4. 2 out of 5

    gustavo morais (verified owner)

    need help with docs and example. the example source code links gives a 404 no GitHub.

  5. 5 out of 5

    gustavo morais (verified owner)

    it works with any ESP8266 or ESP32 and is compatible with ESPHOME.
    Just have to pin the 3V, Ground and Analogics…
    Works like a charm…

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