a modified library for TM1637 for display symbol for degree, 'r' 'h' & 'n' letters
usefull info: http://nicuflorica.blogspot.ro/search?q=TM1637
namddh/TM1637-display
a modified library for TM1637 for display symbol for degree, 'r' 'h' & 'n' letters
Arduino
