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hanshow E-ink example based on ESP32

An assistant to help you view text and picture calendars. It is mainly composed of a 2.13 inch eink(epaper) and an esp32 module.

ESP32 of espressif is used as the controller, and development environment is esp-idf v4.0.

How to Use

  1. setup environment

    ESP-IDF Programming Guide will teach you to install the development environment step by step.

  2. config project

    open the menuconfig

    cd firmware
    idf.py menuconfig

    Here you can configure the project. For example, you can change the GPIO of the screen by entering component config → Eink setting .

  3. compile project

    idf.py build
  4. download firmware

    idf.py -b 921600 flash monitor

    The above command will flash esp32 and open a serial monitor to show the logs of esp32.

File Structure

.
├── datasheet  #related documents
├── firmware   #firmware of esp32
├── hardware   #PCB project of KiCAD
├── LICENSE
├── README.md
└── tools

Hardware

Resource on board

  • ESP32-WROOM module
  • Audio PA,can be input by PWM or DAC
  • Type-C for battery charge and download firmware to ESP32
  • Design of power supply with complete shutdown

epaper.0

Known issues of hardware

hardware\bugfix.md