Use esp32 as the driver to drive the main control of the ink screen, with sth20 or sht40 (dual pads, you can choose one for soldering).
Ink screen has verified normal driver
Press key to verify normal use
sht20 has been verified for normal use
I'll add the video later when I have time.
Ink screen lighting program reference (ink screen cable screen printing HINK-E042A13-A0, 2-color and 3-color ink screens can share this program for lighting): 4.2-inch black, white and red electronic paper display GDEH042Z96 _Electronic paper screen-Dalianjia Display Electronics Co., Ltd. (good-display.cn) .
screen picture
Picture without casing
Front picture with case
Reverse picture of housing
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