• E-Paper Advantages: High contrast, low power, and persistent display without power.

Wiring

Wiring diagram for the nrf5340 supermini to the WeAct studio Epaper display
#define EINK_CS P0_24
#define EINK_DC P1_04
#define EINK_BUSY P0_31
#define EINK_RST P1_06

// Define the e-ink display object
GxEPD2_BW<GxEPD2_154_D67, GxEPD2_154_D67::HEIGHT> display(
    GxEPD2_154_D67(EINK_CS, EINK_DC, EINK_RST, EINK_BUSY));

GxEPD2 Initialization code

PlatformIO Config for NRF5

Follow the instructions at:

https://github.com/jeraymond/pio-sparkfun_pro_nrf52840_mini-setup

Instead of the variant.* files from there use the ones at https://github.com/pdcook/nRFMicro-Arduino-Core/tree/main/variants/SuperMini_nRF52840

NRF52840 Development Board Supermini Compatible With Nice!Nano V2.0 Bluetooth Charging Management - AliExpress 502
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WeAct 1.54″ 1.54 Inch Epaper Module E-paper E-Ink EInk Display Screen SPI Black-White - AliExpress 7
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NRF52840-DEV/NRF52840-DEV-datasheet.pdf at main · microrobotics/NRF52840-DEV
NRF52840 Pro Micro Dev Board V2. Contribute to microrobotics/NRF52840-DEV development by creating an account on GitHub.
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A Pro Micro alternative for wireless keyboards. Contribute to joric/nrfmicro development by creating an account on GitHub.
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