Tuya-Convert might not be possible for this device if the manufacturer started using newest Tuya firmware since this template was published (2020-05-15).
A TuyaMCU based dimmer switch with power monitoring.
As at May 2020, readily flash-able using tuya-convert. Best not to connect to the device in advance with a Tuya app to avoid flashing new firmware.
After configuring your WiFi details and configuring the template, use the console to issue the following commands :
Backlog TuyaMCU 21,2; TuyaMCU 33,6; TuyaMCU 31,5; TuyaMCU 32,4; DimmerRange 1,24
If that doesn’t work try following instructions at https://tasmota.github.io/docs/TuyaMCU/