Breadboard for "Shift Register"


Fritzing diagram: shift-register.fzz


Run this example from the command line with:

node eg/shift-register.js
const {Board, ShiftRegister} = require("johnny-five");
const board = new Board();

// For use with 74HC595 chip

board.on("ready", () => {
  const register = new ShiftRegister({
    pins: {
      data: 2,
      clock: 3,
      latch: 4

  let value = 0b00000000;
  let upper = 0b10001000;
  let lower = 0b00010001;

  function next() {
    register.send(value = value > lower ? value >> 1 : upper);
    setTimeout(next, 200);



Component Classes in this example:

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