No. Power is fixed (using MB102 Breadboard Power Supply Module 3.3).
This is the plot for about an hour read, with 20Kg on.
I'm a newbie with this kind of things, but why do the the raw reads has to drifts so much (even if it just 4% out of 200Kg)?
For my understanding , if all parameters are fixed - load, power source, temperature, code side - isn't the read suppose to be basically the same over time (lets say an hour)?
The HX711 needs a 5volt supply for the 4.3volt excitation voltage regulator to work.
Excitation voltage (and load cell output) will be unstable on 3.3volt.
The ESP8266 might need 3.3volt logic. Not sure. Never used one.
If so, then you need level shifters between HX711 and ESP.
Leo..