Maker Studio Relay Shield User Guide

Maker Studio Relay Shield User Guide
www.makerstudio.cc
Maker Studio Relay Shield User Guide
Hardware version: v1.1
Hardware model: AS0000611M
Document version: r1
Release date: 08/04/2014
MakerStudio Technology Co. Ltd.
Room 415, Bld 4th, Zhongxing Industry Area, ChuangYe Road,
NanShan District, Shenzhen, GuangDong, 518054, China
Tel: +86 755-8650-0269
Email: info@makerstudio.cc
Website: www.makerstudio.cc
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CONTENTS
Maker Studio Relay Shield User Guide ................................................................................................................................. 1
1 Revision History ........................................................................................................................................................................ 3
2 Introduction ................................................................................................................................................................................ 4
3 Features ........................................................................................................................................................................................ 5
4 Specifications ............................................................................................................................................................................. 6
4.1 Electrical Specifications ....................................................................................................................................................... 6
4.2 Mechanical Specifications .................................................................................................................................................. 7
5 Applications ................................................................................................................................................................................ 8
5.1 Test the Relay Shield ............................................................................................................................................................ 8
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1 Revision History
Hardware Revision Date
Revision
Description
7/8/2014
1.1
Initial Release of hardware
User GuideRevision Date
Revision
Description
08/04/2014
r1
Initial Release of user guide
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2 Introduction
Maker Studio Relay Shield is an Arduino compatible smart module with 4 hight quality mechanical relays
providing an easy way to control high voltage. It provides NO/NC interfaces that control the load of high
current up to 7A. Which means it could be a nice solution for controlling devices that couldn’t be
directly controlled by Arduino’s Digital I/Os.
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3 Features
Compatible with Arduino UNO, Makerduino UNO and other boards with the similar structure and
function.
Standardized shape design.
5VDC control voltage.
4 high quality mechanical relays.
High quality screw terminal.
Provides NO/NC interfaces.
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4 Specifications
4.1 Electrical Specifications
Single Relay Parameter
Coil Data
Parameter
Data
Nominal voltage(VDC)
5V
Coil Resistance
69
Rated Current(mA)
71.4
Max Operate Voltage(VDC)
3.75
Min Release Voltage(VDC)
0.25
Contact Data
Parameter
Data
Contact Form
1Z
Contact Ratings
7A 240VAC 10A 120VAC
Minimum load
100mA 5VDC
Max Switching Voltage
250VAC/30VDC
Mac Switching Current
15A
Relay Shield Parameter
Parameter
Data
Voltage(VDC)
3.75~5.25
Current(mA)
8~280
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Dimension(mm)
68.45x58.34x27.42
4.2 Mechanical Specifications
Example : J4 Interface. J5~7 Interface are similar to J4 interface, except that the control ports are D5-D7.
COM4
Common pin
NO4
Normally Open. Will be connected with COM4 when D4 pin is set high and
disconnected when D4 is low;
NC4
Normally Closed. Will be connected with COM4 when D4 pin is set low and
disconnected when D4 is high;
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5 Applications
The relay have some practical application. For example: low-voltage control of high voltage, remote
control, anti-hearing alarm, automatic temperature alarm ,and so on.
5.1 Test the Relay Shield
Step1: Plug Relay Shield into Arduino/Makerduino board;
Step2: Connect USB cable to board and download the example code;
Step3:Supply 5VDC power though USB cable or 9VDC power though power input terminal to board;
Step4: Download code and run.
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After download the example code to your Arduino/Makerduino board, the relays on the shield will be
switch on and off with a period of 1 second. you will hear some noise "bang …bang..” when the relays
work. It means the relay shield is OK and you can use it to your application.
/*
EB - Relay demo code
Turns on an Relay for one second, then off for one second, repeatedly.
http://makerstudio.cc
*/
// connect Relay to arduino pin 4 5 6 7
const int relay4 = 4;
const int relay5 = 5;
const int relay6 = 6;
const int relay7 = 7;
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// the setup routine runs once when you press reset:
void setup() {
// initialize the digital pin as an output.
pinMode(relay4, OUTPUT);
pinMode(relay5, OUTPUT);
pinMode(relay6, OUTPUT);
pinMode(relay7, OUTPUT);
}
// the loop routine runs over and over again forever:
void loop() {
digitalWrite(relay4, HIGH);
// turn the Relay on (HIGH is the voltage level)
digitalWrite(relay5, HIGH);
digitalWrite(relay6, HIGH);
digitalWrite(relay7, HIGH);
delay(1000);
// wait for a second
digitalWrite(relay4, LOW);
// turn the Relay off by making the voltage LOW
digitalWrite(relay5, LOW);
digitalWrite(relay6, LOW);
digitalWrite(relay7, LOW);
delay(1000);
// wait for a second
}
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