<![CDATA[CoreInk reboot & eInk refresh]]>Hello,
I have a M5 CoreInk which I have programmed to display a given hard coded image. Works fine. I have 2 surprises though:

    1. If I unplug the CoreInk from USB, the image fades out after a few hours. I am surprised: I have already used an eInk screen (completely different, not via M5CoreInk) and the image stayed there for months. Why does it fade off?
    1. When I plug back in my CoreInk on USB, it boots up and shows a black screen with a white line. Why doesn't it resume my program that prints the image?

Thanks!

]]>https://community.m5stack.com/topic/4121/coreink-reboot-eink-refreshRSS for NodeThu, 12 Mar 2026 14:15:49 GMTMon, 14 Mar 2022 10:13:52 GMT60<![CDATA[Reply to CoreInk reboot & eInk refresh on Mon, 14 Mar 2022 13:43:17 GMT]]>@ajb2k3 sorry, what do you mean by "HV write"?

]]>https://community.m5stack.com/post/16925https://community.m5stack.com/post/16925Mon, 14 Mar 2022 13:43:17 GMT<![CDATA[Reply to CoreInk reboot & eInk refresh on Mon, 14 Mar 2022 13:28:59 GMT]]>@aafortinet thebfading image is caused by not setting a HV write before shutting down the core ink which is needed to retain image

]]>https://community.m5stack.com/post/16923https://community.m5stack.com/post/16923Mon, 14 Mar 2022 13:28:59 GMT