Ambeba Arduino: E-paper display text with AMB21

Getting started with E-paper display text with AMB21

The display uses the flexible substrate as base plate, with an interface and a reference system design.The 2.9” active area contains 296 x 128 pixels and has 1-bit white/black full display capabilities. An integrated circuit contains gate buffer, source buffer, interface, timing control logic, oscillator, etc… are supplied with each panel.You may refer to the official 2.9 inch e-Paper HAT(D) datasheet to know more information about this module. Front view of the e-Paper,

RTL8722DM / RTL8722CSM wiring diagram:

Download the Eink zip library, AmebaEink.zip, at https://github.com/ambiot/ambd_arduino/tree/master/Arduino_zip_librariesThen install the AmebaEink.zip. Open the “DisplayText” example in “File” → “Examples” → “AmebaEink” → “EinkDisplayText”:

Upload the code to the board and press the reset button after uploading is done. You will find these texts displayed on the board:

More resources:

For more information on the example: https://www.amebaiot.com/en/amebad-arduino-epaper-text/

If you are interested to know more about Ameba, do visit the Ameba official website or join the Facebook page or Forum for more discussion!

• Ameba Official Website: https://www.amebaiot.com/en/
• Ameba Facebook Group: https://www.facebook.com/groups/amebaioten
• Ameba Forum: https://forum.amebaiot.com/