Roller blinds with separate up and down control

Hardware
1

Hi anyone has any idea how to convert / combine two entities and group it as a cover (currently 2 sonoff basics , one for open and one for close) would like to see it as a cover per below

Screenshot_20210110-202209_Home Assistant
Screenshot_20210110-202209_Home Assistant1076×280 26.2 KB
Screenshot_20210110-201901_Home Assistant
Screenshot_20210110-201901_Home Assistant1080×2280 109 KB

Ni idea if the aer open or closed … so if this can work it will mean alot

Thanks in advanced