while compile, I have this error below
I'm new in this, any step I'm missing?
WARNING: Category 'LED' in library CHT16K33 LED Matrix Library is not valid. Setting to 'Uncategorized'
WARNING: Category 'Input' in library MechInputs is not valid. Setting to 'Uncategorized'
WARNING: Category 'Input' in library SerialSensors is not valid. Setting to 'Uncategorized'
Build options changed, rebuilding all
F:\Users\xxx\Documents\GitHub\Internet-of-Things-Power-Meter\Software\IoTPowerMeter\IoTPowerMeter.ino:32:21: fatal error: TimeLib.h: No such file or directory
for the software, I follow this link below https://hackaday.io/project/6938-internet-of-things-power-meter/log/35131-show-me-the-source-code
while compile, I have this error below I'm new in this, any step I'm missing?
WARNING: Category 'LED' in library CHT16K33 LED Matrix Library is not valid. Setting to 'Uncategorized' WARNING: Category 'Input' in library MechInputs is not valid. Setting to 'Uncategorized' WARNING: Category 'Input' in library SerialSensors is not valid. Setting to 'Uncategorized' Build options changed, rebuilding all F:\Users\xxx\Documents\GitHub\Internet-of-Things-Power-Meter\Software\IoTPowerMeter\IoTPowerMeter.ino:32:21: fatal error: TimeLib.h: No such file or directory
include
compilation terminated.