Item specifics
Description
e-Paper SPI Driver Board Product Overview
The Waveshare e-Paper SPI Driver Board Series is a universal driving solution designed for e-Paper raw panels, covering four major product forms: ESP32-based WiFi/Bluetooth wireless driver board, ESP8266-based WiFi wireless driver board, Raspberry Pi 40PIN GPIO driver HAT, and Arduino standard interface driver Shield. The full series supports 3-wire SPI and 4-wire SPI (default) communication interfaces, compatible with Waveshare's full range of SPI e-Paper raw panels (1.54-inch to 7.5-inch and larger), with partial refresh support for select screens. Each driver board comes with comprehensive development resources and example programs for Arduino, STM32, Raspberry Pi, and Jetson Nano platforms, providing flexible driving solutions for wireless image refresh applications such as electronic shelf labels, e-cards, serial port information displays, and IoT status panels.
e-Paper SPI Driver Board Key Specifications
| Model / Variant | Main Chip / Interface | Wireless | E-Paper Interface | Operating Voltage | Operating Current | Key Features | Dimensions | Development |
|---|---|---|---|---|---|---|---|---|
| e-Paper ESP32 Driver Board | ESP32 | WiFi 802.11b/g/n + Bluetooth 4.2 (BR/EDR/BLE) | 3-wire / 4-wire SPI (default) | 5V | 50~150mA, <2mA low power | Android APP Bluetooth EDR, HTML webpage remote update, Floyd-Steinberg dithering | 29.46×48.25mm | Arduino IDE |
| e-Paper ESP8266 Driver Board | ESP8266 | WiFi 802.11b/g/n | 3-wire / 4-wire SPI (default) | 5V | 50~100mA | HTML webpage remote update, Floyd-Steinberg dithering | 29.46×48.26mm | Arduino IDE |
| e-Paper Driver HAT | Raspberry Pi 40-Pin GPIO | Wired | 3-wire / 4-wire SPI (default) | 3.3V / 5V | 50~100mA | Onboard level shifter, compatible with Raspberry Pi/Jetson Nano/Arduino/STM32 | 65.00×32.20mm | Raspberry Pi / Jetson Nano / Arduino / STM32 |
| e-Paper Shield | Arduino Standard Headers | Wired | 3-wire / 4-wire SPI (default) | 3.3V / 5V | — | Onboard 1M-bit / 128K-byte RAM, Micro SD card slot, compatible with UNO/Leonardo/NUCLEO/XNUCLEO | 53.34×50.80mm | Arduino / STM32 |
e-Paper SPI Driver Board Applications
Supermarket electronic price tag wireless updates
Electronic name cards and information displays
Serial information displays and IoT status panels
Raspberry Pi / Jetson Nano e-Paper display projects
Arduino / NUCLEO e-Paper expansion and educational experiments
Smart home control panel information displays
Low-power remote information publishing systems
FAQ
Q: How do I choose among the four driver boards?
A: Choose by host platform and wireless needs: ESP32 for WiFi+Bluetooth with APP/webpage remote update; ESP8266 for WiFi webpage remote update; HAT for Raspberry Pi/Jetson Nano 40-pin GPIO; Shield for Arduino/NUCLEO with onboard RAM and Micro SD slot.
Q: What image formats are supported?
A: ESP32 and ESP8266 versions support BMP, JPEG, GIF, and PNG; HAT and Shield versions display common formats via example code. Refer to the Waveshare WIKI and demo code for details.
Q: Is Floyd-Steinberg dithering supported?
A: The ESP32 and ESP8266 driver boards support Floyd-Steinberg dithering for better shadow rendering and more color combinations, improving e-Paper display quality.
Q: What are the power requirements?
A: ESP32/ESP8266 driver boards use 5V; HAT and Shield support 3.3V/5V with onboard level shifting for 3.3V and 5V MCU compatibility. ESP32 low-power current is below 2mA when the serial chip is powered off.
Q: Are development resources provided?
A: Yes. Comprehensive manuals and example code for Raspberry Pi, Jetson Nano, Arduino, STM32, ESP32, and ESP8266, plus HTML host program and Android APP (ESP32 version).
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