Arduino MKR 20×4 I2C OLED shield

Arduino MKR 20×4 I2C OLED shield

20×4 character alphanumeric I2C OLED shield for Arduino MKR series. It provides high quality OLED screen to the newest Arduino platform. With 3.3V operation you can power your project from lithium battery. This is a bright and wide temperature range OLED that works below freezing, making it useful for outdoor applications.

  • Dimensions: 65 mm x 25 mm x 13.5 mm.
  • Working voltage: 3.3V from Arduino
  • Temperature range: -40°C to +80°C
  • Interface: I2C + Reset line
  • Controller: SSD1311

This product comes as a soldered MKR shield ready to use. Pictures are for illustration, only the assembled OLED shield will be shipped, Arduino MKR in the pictures is not included.

This shield uses EA OLEDM204-LGA display from Electronic Assembly.

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Mike is the founder and editor of, an electronics engineering community/news and project sharing platform. He studied Electronics and Physics and enjoys everything that has moving electrons and fun. His interests lying on solar cells, microcontrollers and switchmode power supplies. Feel free to reach him for feedback, random tips or just to say hello :-)

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