Adjust soft serial output for ATtiny.
Adjust soft serial output for ATtiny.

rrobinet/Cosa,rrobinet/Cosa,mikaelpatel/Cosa,mikaelpatel/Cosa,rrobinet/Cosa,dansut/Cosa,jeditekunum/Cosa,kc9jud/Cosa,jeditekunum/Cosa,jeditekunum/Cosa,mikaelpatel/Cosa,rrobinet/Cosa,kc9jud/Cosa,dansut/Cosa,kc9jud/Cosa,dansut/Cosa,jeditekunum/Cosa,mikaelpatel/Cosa,dansut/Cosa,kc9jud/Cosa