This board does not have an MCU/SoC. It just has EPD driving circuit and the header for connecting your development kits.
EPD Extension Kit Generation 3 (EXT3/EXT3-1 Kit) is an E-Paper Display (EPD) extension board that connects to your product or Evaluation Kit (EVK) to kick-start developing low-power display applications. This is also our recommended EPD extension kit if you are new to working with EPD development, and it is designed to make the process as straightforward as possible.
There are two versions of EXT3 kit:

※ The EXT3-1 Giant kit is dedicated for working with 9.7″ or 12″ EPD.
There are extra items of EXT3-1 kit:
Refer to the assembly guide.
Step | Small to Medium size | Large size |
|---|---|---|
| (1) EPD size | 1.52″ to 7.4″ | 9.7″ or 12″ |
| Note | Click on the EPD size above and click the Buy button in the specific display webpage, then come back to this page to select the EXT3 type + EVK below | |
| (2) Kit model | EXT3-1 kit: DigiKey or Mouser | EXT3-1 Giant kit: DigiKey or Mouser |
| (3) EVK | Select an EVK (development kit) to kick-start your development if you don’t have one: Our examples or any of your working EVK… |
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