1. Wireless Image Display: This e paper driver board is designed to be used with an e-paper screen, making it suitable for wireless image display applications such as electronic price tags, electronic business cards, and serial information display boards. By utilizing this board, users can conveniently update and showcase images without the need for physical replacements. 2. ESP32 Integration: The e-ink display screen module comes with an on board ESP32 chip, offering for Arduino development support. This integration allows for easy programming and customization, providing flexibility for developers to create unique applications and functionalities. 3. for Android App Compatibility: The wireless powered e paper module provides an Android mobile app program, enabling users to update the display content wireless through Bluetooth EDR. This convenient feature allows for seamless content management and ensures a user-friendly experience. 4. HTML-Compatible Program Integration: With the provided HTML-Compatible program, users can remotely update the display content through a web page. This feature simplifies the process of integrating the e ink controller board into various network applications, expanding its versatility in different settings. 5. Enhanced Image Rendering: Utilizing the Floyd-Steinberg dithering algorithm, this e-paper raw panel achieves better shading rendering for original-images, resulting in improved shadow details. It provides a wider range of color combinations, enhancing the overall visual quality of displayed images. Additionally, it supports various commonly used image formats such as BMP, JPEG, GIF, and PNG, ensuring compatibility with a wide range of image sources. Demo Board Type:for Raspberry pi 2 b Model Number: Epaper Driver Board Intergrated Feature: bluetooth-compatible,WiFi 802.11b/g/n WiFi standard: 802.11b/g/n Bluetooth-compatible standard: Bluetooth-compatible 4.2, including conventional Bluetooth-compatible (BR/EDR) and Bluetooth-co