Have you tried this https://github.com/formtapez/ZigUP?
Recognised by zigbee2mqtt
I will build my own version later this year, so far I have been working with http://ptvo.info/zigbee-switch-configurable-firmware-router-199/ .
Based on the PTVO firmware I have automated my blinds with CC2530: DIY Zigbee Roller & Venetian blinds automation
On top of that I have used PTVO firmware with relays to switch my ventilation system: http://www.ithodaalderop.com/products/ventilation/without-heat-recovery/cve-eco-2/