Waveshare 4,2-Zoll E-Paper-Display Module 400x300

4.2 inch e-Paper Module 4,2-Zoll E-Paper-Display Module A 400 × 300 schwarz-and-weiß E-Paper-Display module with SPI-Schnittstelle, partial refresh support, wide viewing angle, and ultra-low Stromversorgung operation for Integrierter information displays. Key Features 4.2 inch e-paper panel with 400 × 300 Auflösung. schwarz and weiß display with 4-level grau scale. Supports partial refresh; full refresh takes about 5 seconds. No backlight requirot; content remains visible after Stromversorgung is removed. SPI-Schnittstelle for Raspberry Pi, Jetson Nano, Arduino, STM32, and other controller boards. Onboard voltage translator for 3.3V and 5V MCU compatibility. Technische Daten Betriebsspannung 3.3V / 5V Anzeigefarbe schwarz / weiß Schnittstelle 3-wire SPI / 4-wire SPI grau scale 4 Auflösung 400 × 300 pixels Anzeigefläche 84.8 × 63.6mm Außenabmessungen 103.0 × 78.5mm Full refresh time 5s Fast refresh time 1.5s, available on V2 version Partial refresh time 0.4s Refresh Stromversorgung 26.4mW typ. Standby current <0.01uA Why E-Paper E-paper reflects ambient light like printed paper, making it easy to read under lamplight or natural light. It does not require a backlight and keeps the last displayed content after Stromversorgung is removed. SPI-Schnittstelle The module uses SPI and can connect to common controller boards. Pin functions are organized below for quick integration. VCC 3.3V / 5V GND Masse DIN SPI MOSI CLK SPI SCK CS SPI chip select, active low DC Data / command selection RST External reset, active low BUSY Busy status output Application Examples Suitable for price tags, shelf labels, asset or equipment tags, conference name tags, industrial instruments, and low-Stromversorgung information panels. Produktansicht Außenabmessungen