400x300 4.2inch E-Ink Raw Black/White e-Paper Display

This Waveshare E-Ink / e-paper raw panel has 4.2 inches, 400 × 300 pixels and an integrated controller that communicates via SPI. It is a panel without PCB with a flat cable and is connected via a driver board. Thanks to its extremely low power consumption it is suitable for battery-powered applications. Such displays are also used as price tags in retail, where they run for several years on one battery. The whole display is updated in about 5 s.

Recommended alternative with PCB and connection cable: 400x300 4.2inch Black / White E-Ink Display

Recommended Accessories:

• ESP8266 Universal Raw e-Paper Driver Board WiFi
• ESP32 Universal Raw e-Paper Driver Board WiFi Bluetooth
• Universal Raw e-Paper Driver HAT Adapter
• Universal Raw Driver e-Paper Shield for Arduino / NUCLEO

Features:

• The image remains visible without power supply
• Power is basically only needed for refreshing
• Viewing angle over 170°, easy to read even in sunlight
• Operation at 3.3 V, the panel needs a driver board or an adapter
• On the ESP8266 driver board and the e-Paper Shield, the switch is set to B for this panel
• Example code from Waveshare for ESP8266, Arduino, STM32 and Raspberry Pi
• According to Waveshare, partial and fast refresh are only available on panel V2 (sticker on the back of the display), use the V2 demo there

Application Examples:

• Price tags and labels
• Battery-powered displays for measured values and weather data
• Status displays that change rarely

Documentation:

• Waveshare Wiki 4.2inch e-Paper Module
• Waveshare e-Paper examples (GitHub)
• GxEPD2 Arduino library (GitHub)

Technical Data:

• Manufacturer: Waveshare
• Manufacturer SKU: 13186
• Type: GDEW042T2
• Driver IC: UC8176, older designation IL0398
• Connection: FPC 24-pin, 0.5 mm
• Operating voltage: 3.3 V
• Interface: 3-wire SPI, 4-wire SPI
• Outer dimensions: 91 × 77 × 1.18 mm
• Display area: 84.8 × 63.6 mm
• Pixel pitch: 0.212 × 0.212 mm
• Resolution: 400 × 300
• Display colour: Black, white
• Grey levels: 4
• Full refresh: 5 s
• Partial refresh: 0.4 s
• Fast refresh: 1.5 s
• Refresh power: 26.4 mW (typ.)
• Standby: <0.01 µA
• Viewing angle: over 170°

Scope of Delivery:

• 1× 400 × 300 4.2" black / white E-Ink raw panel