https://github.com/androidcrypto/esp32_h2_weact_epaper_module_displayinfo

Connect a 2.9-inch WeAct Epaper Module to an ESP32-H2 Supermini microcontroller
https://github.com/androidcrypto/esp32_h2_weact_epaper_module_displayinfo

epaper epaper-displays esp32-h2 gxepd2 spi weact

Last synced: 18 days ago
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Connect a 2.9-inch WeAct Epaper Module to an ESP32-H2 Supermini microcontroller

• Host: GitHub
• URL: https://github.com/androidcrypto/esp32_h2_weact_epaper_module_displayinfo
• Owner: AndroidCrypto
• License: mit
• Created: 2025-08-13T06:29:28.000Z (11 months ago)
• Default Branch: main
• Last Pushed: 2025-08-14T09:01:27.000Z (11 months ago)
• Last Synced: 2025-08-14T11:15:13.118Z (11 months ago)
• Topics: epaper, epaper-displays, esp32-h2, gxepd2, spi, weact
• Language: C++
• Homepage: https://medium.com/@androidcrypto/16709f47ae23
• Size: 1.26 MB
• Stars: 0
• Watchers: 0
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

          
# ESP32-H2 WeAct 2.9-inch Epaper Module Display-Info

This is the accompanying repository for my article "Getting Started with a 2.9-inch Epaper display connected to an ESP32-H2 Supermini device" available here: https://medium.com/@androidcrypto/16709f47ae23

![Image 1](./images/esp32_h2_epaper_01_600w.png)

The display comes in 2 variants, this is the "Black & White" version:

![Image 2](./images/weact_29_epaper_bw_01_front_600w.png)

The display comes in 2 variants, this is the "Red, Black & White" version:

![Image 3](./images/weact_29_epaper_rbw_01_front_600w.png)

## Required Libraries

````plaintext

GxEPD2 by "ZinggJM" version 1.6.4 (https://github.com/ZinggJM/GxEPD2)

Adafruit-GFX-Library by "Adafruit" version 1.12.1 (https://github.com/adafruit/Adafruit-GFX-Library)

U8G2_FOR_ADAFRUIT_GFX by "olikraus" latest version (https://github.com/olikraus/u8g2/)

````

## Runtime Environment

````plaintext

Arduino 2.3.6 (Windows)

esp32 boards version 3.2.0

For compiling and uploading, I'm using the "ESP32-H2 Dev Module" board

````

## Wiring

````plaintext

Nr name  color   ESP32-H2 pin

1  BUSY  violet  24 (labled as 'TX')

2  RES   orange  12

3  D/C   white   13

4  CS    blue    14

5  SCL   green   23 (labled as 'RX')

6  SDA   yellow  11 ('SDA' terminal is known as 'MOSI')

7  GND   black   GND

8  VCC   red     VCC is 3.3 volt, not 5 volt !

````

Back side of the display:

![Image 2](./images/weact_29_epaper_bw_01_back_600w.png)