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ESP32 S3 4.2" EINK


Version:    V1.0
Author:     Vincent
Create Date:    2024/3/25
Note:

[toc]

Makerfabs

Makerfabs home page

Makerfabs Wiki

ESP32 S3 4.2" EINK

Intruduce

Product Link ：

Wiki Link :

The red and black ink screen uses the ESP32S3 driver, contains an SD card slot and two three-way toggle switches.

Feature

  • Integrated ESP32 S3 2.4G WiFi and Bluetooth
  • Input Voltage: 3.7V Battery or 5.0V Type-C
  • Resolution: 400 * 300
  • Display Color: Red / Black and White

Code

Compiler Options

  • Use type-c use cable connect USB-TTL to PC.
  • Select "ESP32 S3 DEV Module"

Libraries:

  • Use 2.0.0 FS
  • Use 2.0.0 Wire
  • Use 1.0.0 esp32-waveshare-epd
  • Use 2.0.0 SD_MMC

We used the ink screen driver provided by Waveshare and modified the pins to fit our hardware.

Example

fw_test

Factory firmware. Refresh the solid color page, display the makerfabs Logo, display simple text and multi-color test, and display TF card capacity, press any key to sleep the screen.

ebook

Read txt file in tf cards, and use switch to change page.

pic_display

A bmp picture, binary processing, display on the screen.