The Fly-SHT36 has been replaced by the Fly-SHT36v2
Fly-SHT42 toolboards can be purchased from AliExpress https://s.click.aliexpress.com/e/_DDsDvmh
Fly-SHT36v2 toolboards can be purchased from AliExpress https://s.click.aliexpress.com/e/_DCPwQ1x
This link is affiliated URL. If you purchase via link above it will give tiny cent of commission to the community organizers. (We are not Mellow employees, just 3D printer enthusiasts) This will not hurt your wallet and at the same time help us to maintain the GitHub better.
Fly-UTOC-1 and Fly-UTOC-3 boards are available on both of the above links
Klipper information for the Fly-SHT36 and Fly-SHT42 can be found here https://mellow.klipper.cn/#/board/fly_sht36_42/ and here https://mellow-3d.github.io/fly-sht36_general.html and here https://mellow-3d.github.io/fly-sht42_general.html
Klipper information for the Fly-SHT36v2 can be found here https://mellow.klipper.cn/#/board/fly_sht_v2/ and here https://mellow-3d.github.io/fly-sht36_v2_general.html
Klipper information for the Fly-UTOC-1 and Fly-UTOC-3 can be found here https://mellow-3d.github.io/fly-utoc_general.html
For Klipper support please join this Discord Channel https://discord.gg/zAung88zbK