@tbowmo OK, I got ver 1.5.4 loaded and it's still failing with the authentic Nordic module.
Here is the output from the serial debug.
Sensebender Micro FW 1.3send: 4-4-0-0 s=255,c=3,t=15,pt=2,l=2,sg=0,st=fail:0
send: 4-4-0-0 s=255,c=0,t=17,pt=0,l=5,sg=0,st=fail:1.5.4
send: 4-4-0-0 s=255,c=3,t=6,pt=1,l=1,sg=0,st=fail:0
sensor started, id=4, parent=0, distance=1
- Online!
send: 4-4-0-0 s=255,c=3,t=11,pt=0,l=17,sg=0,st=fail:Sensebender Micro
send: 4-4-0-0 s=255,c=3,t=12,pt=0,l=3,sg=0,st=fail:1.3
send: 4-4-0-0 s=7,c=0,t=6,pt=0,l=0,sg=0,st=fail:
find parent
send: 4-4-255-255 s=255,c=3,t=7,pt=0,l=0,sg=0,st=bc:
send: 4-4-0-0 s=8,c=0,t=7,pt=0,l=0,sg=0,st=fail:
send: 4-4-0-0 s=199,c=0,t=13,pt=0,l=0,sg=0,st=fail:
isMetric: 0
TempDiff :181.00
HumDiff :146.00
T: 76.59
H: 46
send: 4-4-0-0 s=7,c=1,t=0,pt=7,l=5,sg=0,st=fail:76.6
Battery: 4850
send: 4-4-0-0 s=199,c=1,t=38,pt=4,l=4,sg=0,st=fail:4850
TempDiff :4.41
HumDiff :0.00
T: 76.59
H: 46
send: 4-4-0-0 s=7,c=1,t=0,pt=7,l=5,sg=0,st=fail:76.6