Highlights: 7,4 cm ( 2,9 Zoll ) ePaper modul gelb, schwarz, weiß Auflösung: 296*128 pixel, MCU:ESP32 CPU mit integriertem WIFI Schnitstellen: SPI/SDIO oder I2C/UART Lautsprecher :8Ω 1W 15 X 10 X 3.6mm Micro-SD-Card-Slot Grove I2C Lithium-Batterie Schnittstelle, 500mA Ladestrom Batterieanschluss: PH-1.25mm Alle IO-pins laufen mit 3,3 V MCU: ESP32-D0WDQ06 ESP32 kann mit anderen Systemen verbunden werden, um Wi-Fi- und Bluetooth-Funktionalität über seine SPI / SDIO- oder I2C / UART-Schnittstellen bereitzustellen. Taktfrequenz (Max): 240 Mhz Flash: 4M bytes Overview This is an E-paper display module, resolution with embedded controller, communicating via SPI interface, supports  more color display. Due to the advantages like ultra low power consumption, wide viewing angle, clear display without electricity, it is an ideal choice for applications such as shelf label, industrial instrument, and so on. Features · No backlight, keeps displaying last content for a long time even when power down · Ultra low power consumption, basically power is only required for refreshing · Comes with development resources and manual (examples for Arduin-esp32) Specifications · Operating voltage: 3.3V · Interface: 3-wire SPI, 4-wire SPI · Display color: yellow, black, white · Grey level: 2 · Refresh power: 26.4mW(typ.) · Standby power: · Viewing angle: >170° SYMBOL DESCRIPTION VCC 3.3V GND Ground DIN SPI MOSI pin CLK SPI SCK pin CS SPI chip selection, low active DC Data/Command selection (high for data, low for command) RST External reset, low active BUSY Busy status output, low ac Pinout: