GDEY0213F51 e-paper partial refresh

[PJ_Glasso]

Hi there,
Not sure if this will offer any support but I was able to put this together.

Xiao Nrf52840 and Waveshare 4.2 inch E-Paper display Success & Solid Display and Low Power

Here is the Demo, Display Library example for SPI e-paper panels for sale on SEEED Studio from Dalian Good Display and boards from Waveshare. Requires HW SPI and Adafruit_GFX. Adapted from GxEPD2_U8G2_Fonts_Example.ino Notes, edit the three files , compile , upload and GO! // mapping of my Seeed Studio for Xiao Nrf52840 Sense (previous default SPI pins) BUSY → 4, RST → 5, DC → 6, CS-> 8, CLK → 9, DIN → 11 #define GxEPD2_DRIVER_CLASS GxEPD2_420_GDEY042T81 // GDEY042T81 400x300, SSD1683 (no…

HTH
GL PJ

I used the partial and the full screen.