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 development support. This integration allows for easy programming and customization, providing flexibility for developers to create 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 . 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 network applications, expanding its versatility in different settings. 5. Enhanced Image Rendering: Utilizing the Floyd- dithering algorithm, this e-paper raw panel achieves better shading rendering for original-images, resulting in improved shadow details. It provides a range of color combinations, enhancing the overall visual quality of displayed images. Additionally, it supports commonly used image formats such as BMP, JPEG, GIF, and PNG, ensuring compatibility with a wide range of image sources. Demo Board Type:for 2 b Model Number: Epaper Driver Board Intergrated Feature: bluetooth-compatible,WiFi 802.11b/g WiFi standard: 802.11b/g Bluetooth-compatible standard: Bluetooth-compatible 4.2, including conventional Bluetooth-compatible (BR/) and Bluetooth-compatible Low Power (BLE) Communication interface: 3-wire SPI, 4-wire SPI (default) Operating voltage: 5V operating current 50mA-150mA Low power consumption current:Less than 2mA (power off CP2102) Size:29.46 x 48.25mm/1.2 x 1.9inch Color:As Shown Material:Electronic Component Package Contents: 1 * E-Paper ESP32 Driver Board 1 * E-Paper Adapter 1 * 24PIN FFC Cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.