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
• SPI interface, for connecting with controller boards like Raspberry Pi / Jetson Nano / Arduino / STM32, etc.
• Onboard Level conversion chip, compatible with 3.3V / 5V Level interface
• Comes with development resources and manual (driver board circuit diagram, examples for Raspberry Pi / Arduino / STM32)

   Specifications

• Size: 3inch
• Outline dimension (e-Paper): 86.4 × 39.2 × 0.85 mm
• Outline dimension (e-Paper Module): 88.5 × 41 mm
• Display size: 70.4 × 29.568 mm
• Operating voltage: 3.3V/5V
• Interface: 3-wire SPI、4-wire SPI
• Display color: Red, Yellow, Black , White
• Gray scale: 2
• Full refresh time: 12s
• Refresh power: < 60 mW(typ.)
• Standby current: < 0.01 uA (close to 0)
• Dot pitch: 0.176 × 0.176 mm
• Resolution: 400 × 168 pixels
• Viewing angle: >170°

SPI Control Interface

For Use With Controller Boards Like Raspberry Pi / Arduino / STM32

VCC	3.3V / 5V
GND	GND
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, high active(High level indicates busy)

Onboard Voltage Translator

Compatible With 3.3V / 5V MCUs

Application Examples

Suitable For Price Tags, Asset/Equipment Tags, Shelf Labels, Conference Name Tags...

Outline Dimensions

   Video

Bundle: e-Paper

Bundle: e-Paper Modu

1. 3inch e-Paper Module (G) × 1

2. PH2.0 8PIN wire × 1