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Pi Australia  |  SKU: WS-22758

3inch E-Paper Module (G), 400 × 168, Red/Yellow/Black/White

$26.62
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3inch E-Paper Module (G), 400 × 168, Red/Yellow/Black/White
3″ E-Paper Module (G)

Low Power, Wide Viewing Angle, Paper-Like Effect Without Electricity
Ideal for price tags, shelf labels, industrial instruments...Passively Reflective
Features At A Glance
  • 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 voltage translator, compatible with 3.3V/5V MCUs
  • Comes with development resources and manual(driver board schematic, examples for Raspberry Pi/Arduino/STM32)
Specifications

OPERATING VOLTAGE | 3.3V/5V
DISPLAY COLOR | Red/Yellow/Black/White
INTERFACE | 3-wire SPI, 4-wire SPI
GREY SCALE | 2
OUTLINE DIMENSIONS | 88.5 × 41mm
FULL REFRESH TIME | 12s
DISPLAY SIZE | 70.4 × 29.568mm
REFRESH POWER | <60mW (typ.)
DOT PITCH | 0.176 × 0.176mm
STANDBY CURRENT | <0.01uA (almost none)
RESOLUTION | 400×168 pixels
VIEWING ANGLE | >170°
Advantages Of EINK

E-paper display utilizes microcapsule electrophoretic technology for displaying, the principle is: charged particles suspended in clear fluid will move to sides of microcapsule when electric field is applied, making the microcapsule become visible by reflecting ambient light, just as traditional printed paper.
E-paper display will clearly display images/texts under lamplight or natural light, requires no backlight, and features nearly up to 180° viewing angle. It is usually used as e-reader due to its paper-like effect.
Onboard SPI Control Interface

For Use With Controller Boards Like Raspberry Pi/STM32/Arduino
VCC | Power (3.3V / 5V input)
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 pin
Onboard Voltage Translator

Compatible With 3.3V / 5V MCUs

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