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A comment on Building a Raspberry Pi 3B+ full keyboard handheld. Parent comment

Re:Building a Raspberry Pi 3B+ full keyboard handheld by 0x0f0f0f on Thursday August 29, 2019 @01:59PM (#20832004)
The keyboard is working fine and since it's powered by a Teensy 3.2/LC it can be plugged into any USB host, I'm still waiting to get the keys printed in order to put the working build in the case. The CardKB project is also interesting if you want a keyboard with soldered keys, only "downside" is I2C bus.
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Re:Building a Raspberry Pi 3B+ full keyboard handheld by groundlogic on Thursday August 29, 2019 @03:42PM (#20832888)
CardKB is a chinese project, right? I can't seem to find the single original source for this thing, just lots of pages talking about it, like:

https://m5stack.com/products/cardkb-mini-keyboard

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