I'm new to zmk kb,
I bought
https://ko.aliexpress.com/item/1005007302414133.html?gatewayAdapt=glo2kor
which already zmk installed and tested it well
after test, I folked zmk repository
https://github.com/Haeryangkim/zmk-config-zen-2
after build this successfully, and copied my uf2 file to left and right kb.
it does not work.
it seems it does not boot at all as the E-ink is freeze and not working