I think there are a lot of cheap out there , I have two versions here , with the same code one has a resolution of .1 the other is .5
so one must be limited in hardware to 8 bits ??
I only noticed this when I added a new sensor to the hot tub project, checked the display and it was showing in .5 steps, at first I re checked my code, then I replaced the sensor with the original, it was the sensor