Category:Shift Register

basic shift

void setup()
{
  pinMode(clock, OUTPUT); // make the clock pin an output
  pinMode(data , OUTPUT); // make the data pin an output
  shiftOut(data, clock, LSBFIRST, B10101010); // send this binary value to the shift register
}

Compare

• CD4094 - 8-Bit Shift Register/Latch with 3-STATE Outputs

Schematic

• 

  74HC165 schematic

• 

  74HC595 schematic

Working Method

• 74HC595 clock time -> serial data write in => latch into register by RCLK

Documents

• 74HC595 - datasheet

arduino 7-segment library

• 7-segment register library