You can also find out the correct way of using theseĭevices to drive LEDs and seven segment displays and learn how to add 8, 16, 32, Segments, LEDs, and using multiple 595's for 8, 16 or 32 outputs all using justĪ 3 wire interface. This 74HC595 tutorial shows you examples of driving 7 You can also string together multiple 595's for even more outputs! There are several examples here that show you how to do it. You need both Inputs and Outputs (and interrupts on input) then have a Tip: The 74HC595 series chips are useful but only provide outputs. How to setup ATtiny for Ultra Low Power operation.
Charlieplexing: How to save I/O and drive tons of LEDS.Arduino Toggle Switch - using a standard push button.Arduino Oversampling: How to Get More ADC Bits with No Extra Hardware!.
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