Software considerations:
I found 3 different libraries to use with the TM1637
– TM1637.h – recommended by RobotDyn but older
– TM1637display.h library – by AVISHORPE seems to be the favorite
– SevenSegmentTM1637.h – By breeme. Most functionality and possibilities.
Pro NODEMCU mi funguje tahle:
https://github.com/bremme/arduino-tm1637