Changes Pcf8574 to aslo be able to use Max9744
Changes Pcf8574 to aslo be able to use Max9744
MyRobotLab/myrobotlab,MyRobotLab/myrobotlab,MyRobotLab/myrobotlab,MyRobotLab/myrobotlab,MyRobotLab/myrobotlab,MyRobotLab/myrobotlab,MyRobotLab/myrobotlab