Nano Relay Module

2 wire 8 channel Relay Module || Reduce your CPU workload by interface 74LS164N.

Jul 7, 2016

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11 respects

energy efficiency

home automation

Devices & Components

Arduino Nano

USB-A to Mini-USB Cable

ULN2803A relay driver IC

12VDC & 1 Amp Power Adapter

Sugar Cube Relay

Jumper wires (generic)

74LS164N Serial In Parallel Out Shift Register

Software & Tools

Arduino IDE

Project description

Code

Code for Nano Relay Module

c_cpp

1const int data_pin = 2;
2const int clk_pulse_pin = 3;
3byte zero  =  0xff;
4int time_interval = 1500;
5void setup()
6{
7  pinMode(clk_pulse_pin,  OUTPUT);
8  pinMode(data_pin , OUTPUT);
9}
10void loop()
11{
12  for (int  Bz = 0x00; Bz < 0xff; Bz++)
13  {
14    shiftOut(data_pin, clk_pulse_pin, MSBFIRST,  Bz);
15    delay(time_interval);
16  }
17}
18

const int data_pin = 2;
const int clk_pulse_pin = 3;
byte zero  =  0xff;
int time_interval = 1500;
void setup()
{
  pinMode(clk_pulse_pin,  OUTPUT);
  pinMode(data_pin , OUTPUT);
}
void loop()
{
  for (int  Bz = 0x00; Bz < 0xff; Bz++)
  {
    shiftOut(data_pin, clk_pulse_pin, MSBFIRST,  Bz);
    delay(time_interval);
  }
}

Downloadable files

Wiring

This circuit is drawn by Proteus ISIS. Pin 1 and 14 is connected with +5Volt. Pin 7 is connected with Ground. Pin 2 is connected with Nano's digital pin 2 Pin 8 is connected with Nano's digital pin 3

Wiring

This circuit is drawn by Proteus ISIS. Pin 1 and 14 is connected with +5Volt. Pin 7 is connected with Ground. Pin 2 is connected with Nano's digital pin 2 Pin 8 is connected with Nano's digital pin 3

Wiring

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