Waveshare 1.9 inch Segment E-Paper Module for Temperature and humidity meter, Humidifier, Digital Meter


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SKU: 1373101
  1. Product: 1.9inch Segment E-Paper Module, 91 Segments, I2C Bus,
  2. Operating Voltage: 3.3V/5V
  3. Interface: I2C
  4. Display Size:41.35 × 28.11 mm
  5. Segments: 91
  6. Display Color: Black/White


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Category: e-Ink Paper Display

1.9-inch Segment E-Paper Module, 91 Segments, I2C Bus, Ideal for Temperature And Humidity Meter, Humidifier, Digital Meter. E-paper display utilizes microcapsule electrophoretic technology for displaying, the principle is: that charged particles suspended in the clear fluid will move to the sides of the microcapsule when an electric field is applied, making the microcapsule become visible by reflecting ambient light, just as traditional printed paper.
E-paper display will clearly display images/texts under lamplight or natural light requires no backlight and features nearly up to 180° viewing angle. It is usually used as an e-reader due to its paper-like effect.

Useful link:

To do Hardware and Software setup, please follow this tutorial.


  1. No backlight keeps displaying the last content for a long time even when power down
  2. Ultra-low power consumption, basically power is only required for refreshing
  3. I2C interface, for connecting with controller boards like Raspberry Pi/Arduino/STM32, etc.
  4. Onboard MOS voltage translating circuit, compatible with 3.3V/5V MCUs

Package Includes:

1 x 1.9inch Segment e-Paper Module

1 x 6 Pin Cable

SKU: 1373101 Category:
Operation Voltage




Display Size

41.35 × 28.11 mm



Display Color


Grey Scale


Partial Refresh Time


Full Refresh Time


Refresh Power

<5mW (typ.)

Standby Current


Viewing Angle


Length (mm):


Width (mm):


Weight (g):


Shipping Weight 0.007 kg
Shipping Dimensions 8 × 5 × 3 cm
1 Month Warranty

This item is covered with a standard warranty of 1 month from the time of delivery against manufacturing defects only. This warranty is given for the benefit of Robu customers from any kind of manufacturing defects. Replacement will be done against manufacturing defects.

What voids warranty:

If the product is subject to misuse, tampering, static discharge, accident, water or fire damage, use of chemicals & soldered or altered in any way.

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Country Of Origin: China