Even the picture scared me 
I’m actually thinking of going a slightly different route. My main reason for looking at Zigbee/Tuya was for roller-blinds. Have got a couple of Zemismart Zigbee blinds from China - but they are also RF. So for 20euro I’m going to try a Sonoff RF to WiFi converter.
If I can get this working I can then use something like MQTT to instruct as per the below.
The RF signals are pretty reliable in these blinds and I have the RF remote to learn the commands - if i can get this working i can rid myself of Zigbee and Tuya alltogether!