Topics created by zhum

I don't know if the font format of U8G2 is consistent with that of GXEPD. It is recommended that you refer to the font modification of GXEPD, which indicates that it is a subclass of Adafruit_GFX.
Link: https://github.com/ZinggJM/GxEPD

For 3-5 first display updates the time string is printed weakly, how can I fix it? I use the code from official sample.
-> Refresh the area multiple times to deepen the color, or use full screen refresh.
Which batteries can I use with this module?
How can I check the battery charge level and charging status?
->The module is equipped with a 1.25 pitch battery interface, which can be powered by batteries
How can I turn off the red blinking led?
->The red LED is the battery indicator, flashes when there is no battery.
Is there any other recommendation for power-save?
->Hibernate enters deep sleep. The deep sleep power consumption reaches about 10uA