This large e-paper HAT for the Raspberry Pi features a 3.7" 480x280 screen with partial refresh support, low power usage, wide viewing angles and an excellent paper-like effect.
The HAT can fit on any 2x20 pin Raspberry Pi (Pi4, Pi 3, Pi Zero) and requires no soldering. It uses an SPI interface, reducing the number of GPIO pins used whilst also allowing it to be used with other microcontrollers such as the Arduino. This is further supported by the onboard voltage translator, making it compatible with 3.3V and 5V controllers.
Features
No backlight, keeps displaying last content for a long time even when powered down
Ultra low power consumption, power is only required for refreshing
Standard Raspberry Pi 40-pin GPIO header
SPI interface, for connecting with controller boards like Raspberry Pi, Arduino etc.
Onboard voltage translator, compatible with 3.3V / 5V MCUs
VCC = 3.3V/5V 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, high active
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