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Hi,
I've recently bought an Inky Impression 7.3 inch e-ink display and I'm driving it with a Raspberry Pi Zero 2 W. My plan was to use a Witty Pi 3 Mini I already had on hand to power on the Raspi once every day to refresh the content of the display and run it from a powerbank. However, when I put the Witty Pi on an extended header and connect that to the Inky Impression, then power the Witty Pi it just flashes the white and red LEDs rapidly. If I then try to power on the Raspi via the Witty Pi button it starts to boot (visible with the green LED) for about 5 seconds and then stops and the flashing of the white and red LEDs on the WittyPi continues.
If I just have the Witty Pi connected to the Raspi everything works as expected. For now I'm powering all this from a Raspi approved power supply, so that shouldn't be an issue. The Raspi and the Inky Impression work well in combination too, it is just the combination of all 3 that seems to produce problems.
I've read in this post that this combination of components works, so I'm wondering if I am overlooking something. As I'm not too good with hardware I hoped this was all plug and play hardware wise, but aparrently there are some issues - I'd greatly appreciate it if you could point me in the right direction.
Posted : 04/05/2025 6:36 pm
Unfortunately we do not have the hardware you mentioned, even if we do, we usually could not make such kind of testing, to confirm such combination will work or not. Please read page 38 in the user manual, where we explained why we could not help, and we provide some information to help customers to find out by themselves.
I hoped this was all plug and play hardware wise
It is unfortunately not the case.
Posted : 05/05/2025 5:46 pm