[newbie]: mqtt and absolute value/splitting

[dproffer (David Proffer)]

@dproffer

float(0)

and from more of my painful lessons learned, don’t forget to handle the default/exceptions …

Templating with default values

I have this in one of my templates which gives me division by zero errors in the log: (pasting it on multiple lines for better reading) {{ '%.2f'%( (states('sensor.vehicle_bat_ced') | default(0) | float) * 100 / (states('sensor.vehicle_odo') | default(1) | float) )| float }} Three things I would like to know: is default(0) a supported function? I can’t find any documentation on it. what will states('sensor.vehicle_odo') return, if this sensor is not available? (After restarting HA…