Design of a 7-segment Multiplexer with Arduino, which can display integer, floating numbers. The multiplexer works as follows: * The digital ports connect to the common displays, which will activate ...

Introduction:In Arduino environment, it's convenient to access BT SPP like a serial port and react to the command string sent from the BT serial port. Many Arduino projects have utilized this way ...

Arduino Uno R4 Issues/Status ... From what I see its using a PCF8574 port expander, if that matters. ... ***** Serial Initialized ----- I2CexpDiag - i2c LCD i/o expander backpack diagnostic tool ...