Waveshare 4.2inch e-Paper Module User Manual page 6

4.2inch e-Paper Module User Manual
8. The e-Paper cannot refresh directly under sunlight
done indoor
9. For raw panel, its working voltage is 3.3V, note that when you designed you own
driver board, level convert circuit is required if the working voltage of your board
is 5V. Module/HAT version can support 5V voltage if the Module you buy is the
new version which has been integrated convert circuit.
10. The FPC of the panel is fragile, please make sure that your bend it in correct way.
11. The glass raw panel is fragile, please do not falling, crashing or pressing hard.
12. We recommend you test the e-Paper with our demo code when you first time
receive it.
e-Paper don't have UV film, cannot work under sunlight directly
2
V2.0
. The refresh steps should be
2
6 / 25