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    Description

    NOTE: Raspberry Pi Pico is NOT included. The pictures are for reference ONLY.
    2.13inch E-Paper E-Ink Display Module For Raspberry Pi Pico, 250�122 Pixels, Black / White, SPI Interface

    SPI Timing:

    Note: Different from the traditional SPI protocol, the data line from the slave to the master is hidden since the device only has a display requirement.
    - CS is slave chip select, when CS is low, the chip is enabled. - DC is data/command control pin, when DC = 0, write command, when DC = 1, write data. - SCLK is the SPI communication clock. - SDIN is the data line from the master to the slave in SPI communication.
    SPI communication has data transfer timing, which is combined by CPHA and CPOL.
    1. CPOL determines the level of the serial synchronous clock at an idle state. When CPOL = 0, the level is Low. However, CPOL has little effect on the transmission. 2. CPHA determines whether data is collected at the first clock edge or at the second clock edge of the serial synchronous clock; when CPHL = 0, data is collected at the first clock edge.
    - There are 4 SPI communication modes. SPI0 is commonly used, in which CPHL = 0, CPOL = 0.
    As you can see from the figure above, data transmission starts at the first falling edge of SCLK, and 8 bits of data are transferred in one clock cycle. Here, SPI0 is in used, and data is transferred by bits, MSB first.
    Working Protocol
    This product is an E-paper device adopting the image display technology of Microencapsulated Electrophoretic Display, MED. The initial approach is to create tiny spheres, in which the charged color pigments are suspending in the transparent oil and would move depending on the electronic charge. The E-paper screen display patterns by reflecting the ambient light, so it has no background light requirement.
    (Note that the e-Paper cannot support updating directly under sunlight).
    How to define pixels
    In a monochrome picture we define the pixels, 0 is black and 1 is white.

    - The dot in the figure is called a pixel. As we know, 1 and 0 are used to define the color, therefore we can use one bit to define the color of one pixel, and 1 byte = 8pixels - For example, If we set the first 8 pixels to black and the last 8 pixels to white, we show it by codes, they will be 16 bit as below:

    For computer, the data is saved in MSB format:

    So we can use two bytes for 16 pixels.
    User Guides, Resoures, please check HERE




    OPERATING VOLTAGE
    3.3V
    INTERFACE
    3-wire SPI, 4-wire
    OUTLINE DIMENSIONS
    65.00 × 30.50mm
    DISPLAY SIZE
    48.55 × 23.70mm
    DOT PITCH
    0.194 × 0.194mm
    RESOLUTION
    250×122 pixels
    DISPLAY COLOR
    black, white
    SPIGREY SCALE
    2
    PARTIAL REFRESH TIME
    0.3s
    FULL REFRESH TIME
    2s
    REFRESH POWER
    26.4mW (typ.)
    STANDBY CURRENT
    <0.01uA (almost none)
    VIEWING ANGLE
    >170°


    Manufacturer Part No:

    19406
    Brand:

    Raspberry Pi

    Product Type:

    Module
    UPC

    -
    Product Family:

    Display
    Shipping Weight:

    1 kg
    PB Part No:

    SEVRBP0342
    Product Model:

    2.13inch E-Paper / E-Ink



    Warranty:
    12 months *
    * Warranty period is as stated above unless the manufacturer has chosen to specify a longer period.
    All warranties are return to base unless otherwise specified.

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