/members-area/personalblogs/b/nexgen-flight-simuator/posts/tech-tip-ix-sn74hc595n-tips-and-tricksWell, a lot of folks have written about the SN74HC595x as an 8-bit shift register. The major use is to expand ports in the Arduino. (image 1) This is the classic way to expand your Arduino for 8 more ports, without resorting I2C or CAN bus.&nb...en-USTelligent Community 12