Hello,
I bought the Waveshare 7.5in ePaper HAT display together with ESP32 Waveshare Universal e-Paper Driver Board.
According to the sticker on the back, it is version 2.
Another sticker is 075BN-T7 and 2021083002 printed.
I tried many model in the esphome code.
The best results i get with “7.50inV2” and “7.50inV2alt”
But both are not ok.
Any tips?
with 7.50inV2 (the black ist just grey)
with 7.50inV2alt
Looks like the settings should be applied a few more times.
E-ink displays require being set at least 3 times in order for the ink to surface properly.
Multicolor e-ink displays are even more tricky since each color have different number of times to being set correctly.
Oh and remember to reset the display before setting it again.
but shouldnt that be covered by the esphome implementation/driver of the display?
been playing around with 2 different waveshare display types with esphome so far, the 2.9inch one works quite reliably, but from time to time the refresh gets stuck and the esp needs a hard reboot to get it to work again…
Thank you for your message.
I’m using the following code anyway
update_interval: 15min
reset_duration: 2ms
auto_clear_enabled: True
I do not know how the ESPHome code works yet.
I still have it as a project to convert mine, but l had to learn a lot to understand the working of the display to program it with Espressif own framework.