# This Sample code is for testing the Relay shield V2.1 for Arduino. Set an alarm with MKR1000 and MKR Relay Proto Shield to turn a lamp on/off. I played smartphone games with a relay touch board. ... With this "Hello World"-example I turn the Relay1 on Default D2 for 3 seconds on and off. The Relay Shield is an Arduino compatible smart module with 4 mechanical relays providing an easy way to control high voltage. Basic Arduino relay shield example by shedboy71 1st June 2016 The Relay Shield features four high quality relays and provides NO/NC interfaces, four dynamic LED indicators to show the on/off state of each relay, and the standardized shield form factor to provide a smooth connection to Arduino compatible boards. To connect the 4 Relay board to an Arduino is very easy and allows … The Arduino 4 Relays Shield is a solution for driving high power loads that cannot be controlled by Arduino's digital IOs, due to the current and voltage limits of the controller. We will show you how to control your lights with an Arduino. Connecting TinkerKit modules can simplify the creation of a project or a prototype. Let's test this shield. This Relay Shield for Arduino acts like a switch. And how easy it can be with a matching shield for the Arduino, you'll learn here. Arduino … Features: • Relays: 4 (60W) • … Let’s define two simple commands: Relays are literally just electrically actuated switches, so you can connect them pretty much anywhere you would use a switch. /* Arduino Relay Shield Switch ON the Relay connected to D7 for 5S then OFF for 3S, continuously. With the help of Power DC adapters, I have connected a Y-cable to both the Arduino and Relay1. Arduino Relay Shield. ARD-RS-4 Arduino 4-Channel Relay Shield. Why use a relay module when plain relays are cheaper? Count 0:00:00. set to 0:00:00 . Serial.begin(9600);// setup Serial Monitor to display information, pinMode(relay1, OUTPUT);// connected to Relay 1, pinMode(relay2, OUTPUT);// connected to Relay 2, pinMode(relay3, OUTPUT);// connected to Relay 3, pinMode(relay4, OUTPUT);// connected to Relay 4, digitalWrite(relay1,HIGH);// turn relay 1 ON, delay(3000);// keep in relay 1 On for 3 seconds, digitalWrite(relay1, LOW);// turn relay 1 OFF, delay(3000);// keep in relay 1 OFF for 3 seconds. Using the Code. This is code for 4 to 16 channel 5V Relay module for Arduino In this video you will learn the details description of 4 Channel relay module. Arduino pin 4 Relay 2 = Arduino pin 7 Relay 3 = Arduino pin 8 Relay 4 = Arduino pin 12 The shield features several TinkerKit input/output and communication interfaces. DFRobot - 4 Relay Shield for Arduino. And also normally additional 3 or 4 voltage pins which connect to the Arduino which are: 1 – Ground: Connects to the Ground on the Arduino; 2 – 5V VCC: Connects to the 5V on the Arduino; 3 & 4 – Signal Pins: Carries the trigger signal from the Arduino that activates the relay; Here is an example of the pinout of an SPDT relay which is our One of the most interesting projects for your boards is perhaps being able to control High power devices like Lamps, water pumps, garage doors and so on. By the end of this tutorial, you should be able to control any electronics appliances with your Arduino using a relay module. The shield has 4 buttons (S1-S4), so that a connection test is also possible without uploaded sketch. Here to turn on the Relay with Arduino we just need to make that Arduino Pin High (A0 in our case) where Relay module is connected. This means that I use the relay like a light switch and then turn on my 4 LEDs when the circuit is closed. This is the reason we can control a relay using 5V's from an arduino and the other end of it could be running an 230V appliance, the 230V end is completely isolated from the 5V arduino circuitry. Arduino code for 4 to 16 channel 5V Relay module . The default assignment for addressing the 4 relays can be easily changed via jumper. Previously we have built 4-channel Relay Driver Module, but this time we are building this relay module as Arduino Shield, so that you just have to fix it over Arduino and it will be ready to use.Relays are useful for triggering home AC appliances with low signal and they are used in Home Automation Systems.. www.studentcompanion.co.za October 2018 */ // the setup function runs once when you press reset or power the board void setup() { // initialize digital pin 7 as an output. The Arduino 4 Relays shield is designed as a solution for driving those high power loads that cannot be driven by Arduino's digital IOs due to current and voltage limits. Arduino pin#7 - Relay module IN1 . Microsoft® Word 2010 # Editor : Phoebe # Date : 2013.2.28 # Ver : 0.1 # Product: Relay shield for Arduino # SKU : DRI0144 # Hardwares: 1. The Arduino 9 Axes Motion Shield allows your Arduino to measure movement: orientation, acceleration and magnetic field. ... Relay Shield v2.1 Sample Code - Source: DFRobot C/C++ /* # This Sample code is for testing the Relay shield V2.1 for Arduino. int relayPin1 = 2; //This is the Arduino Pin that will control Relay #1 int relayPin2 = 3; //This is the Arduino Pin that will control Relay #2 int relayPin3 = 4; //This is the Arduino Pin that will control Relay #3 int relayPin4 = 5; //This is the Arduino Pin that will control Relay #4 void setup() { // put your setup code here, to run once: pinMode(relayPin1, OUTPUT); pinMode(relayPin2, OUTPUT); pinMode(relayPin3, … No matter - for a first test with my room fountain to switch a 4 colored LED via 12V I do not need these PINs. If someone wants to help me - feel welcome! Whenever we need to connect any AC Appliance in our embedded circuits, we use a Relay. With this "Hello World"-example I turn the Relay1 on Default D2 for 3 seconds on and off. The Arduino 4 Relays Shield is a solution for driving high power loads that cannot be controlled by Arduino's digital IOs, due to the current and voltage limits of the controller. After we finish connecting the motor, all we need to do is power the relay switch module itself. The product page also lists no special boards and so I find the note "Compatible with Arduino UNO Rev3" a bit poor. The max switching power is DC 90W or AC 360VA. This is an industrial grade high accuracy Arduino 4-20mA current loop receiver shield for arduino which works with all the arduino boards. Connecting TinkerKit modules can simplify the creation of a project or a prototype. %PDF-1.5 %���� With this we quickly approach the question, can the shield also be controlled via radio? This can certainly be explained with the compatibility with other Arduino boards, but a mega is just not available to me. Arduino … Introducing the Relay Module A relay is an electrically operated switch that can be turned on or off, letting the current go through or not, and can be controlled with low voltages, like the 5V provided by the Arduino pins. It comes with two separate channels, called A and B, that you can use to drive 2 DC motors, or 1 stepper motor when combined. # Editor : Phoebe # Date : 2013.2.28 # Ver : 0.1 # Product: Relay shield for Arduino # SKU : DRI0144 # Hardwares: 1. The max switching power is 70W DC. The shield features 4x relays, with each relay providing 2 pole changeover contacts (NO and NC). This relay specifically meets the Arduino signal requirements and allows for controlling devices on a higher voltage line. In this example we will connect a 4 channel relay shield to an Arduino Uno and control it via an infrared remote control. 2017-08-23T16:36:54+05:30 With the shield, you can drive DC motors, a stepper motor, relays, and solenoids. The detail instruction, code, wiring diagram, video tutorial, line-by-line code explanation are provided to help you quickly get started with Arduino. In my setup I use the green terminal adapters COM1 and NO1, respectively the plus pole. I was successful with the Blink example with the on-board LED and changed the delay to 10 sec instead of 1 sec. 4 Channel Relay Shield for Arduino UNO is a simple and convenient way to interface 4 relays for switching applications in your project. Basic Arduino relay shield example by shedboy71 1st June 2016 The Relay Shield features four high quality relays and provides NO/NC interfaces, four dynamic LED indicators to show the on/off state of each relay, and the standardized shield form factor to provide a smooth connection to Arduino compatible boards. For the Love of Physics - Walter Lewin - May 16, 2011 - Duration: 1:01:26. Arudino Uno/Leonardo/Seeeduino compatible; Other board or microcontroller via jumper cables Unfortunately, in my case, Digi's configuration software - the XCTU - has not been able to detect my two devices - Pro S2B and Pro S1. Open example via the path: File → Examples → Multi Channel Relay Arduino Library → four_channel_relay_control. This is code for 4 to 16 channel 5V Relay module for Arduino ... (relay[3], HIGH); // Turn the relay OFF If you found this tutorial helpful, please support me so I can continue creating content like this. Very compact design that can fit on top of Arduino UNO. Components Required: SPDT relay 12v -3 /* # This Sample code is for testing the Relay shield V2.1 for Arduino. Components Required: Occasionally the relay fails to interrupt the circuit. The Arduino Motor Shield Rev3 is built around the L298 dual full-bridge driver, made by STMicroelectronics. By the end of this tutorial, you should be able to control any electronics appliances with your Arduino using a relay module. ... Relay Shield v2.1 Sample Code - Source: DFRobot C/C++ /* # This Sample code is for testing the Relay shield V2.1 for Arduino. This 4 channel relay shield for Arduino is ideal for easily controlling multiple devices that run higher than 5V (Motors, LED strips, etc). VRukmasa To connect the 4 Relay board to an Arduino is very easy and allows … The shield also contains the same analog and digital I/O headers featured on your Arduino, so you can still operate it as normal, using your Arduino board as a processor. Arduino “4-Relay Shield” utiliza los pines D4, D5, D6 y D7 para las entradas optoacopladas y los pines A0, A1, A2 y A3 como salidas para accionar los relés a través del Arduino. It is possible to control the Relay shield through Arduino/DFRduino using digital IOs with external 7 to 12V supply. For example, an old product which operates by pressing some buttons or switches. The 4 Relay Shield comes preassembled, and also includes a plastic protective undercase. Arduino pin#8 - Relay module IN2. With the built in xbee socket, it can be wirelessly controlled via Xbee/bluetooth/WPM. On the back side there is written: CAIALEX Relay Shield V1.0 catalex.taobaocom The relays are rated for 3A @ 120VDC or 3A @ 24VDC. Arduino GND pin - Relay module GND pin. Or, you can just click the icon in upper right corner of the code block to copy the following code into a new sketch in the Arduino IDE. You will learn the meaning of lower trigger and high trigger. The example sketch offered for download on the product page is much more modern: Here, the Serial Monitor can be accessed by setting the digits 1-4 to the individual relays with a setting of 57, 600 baud. a Power Supply with 12V - 5A is not necessary. Arduino 5v pin - Relay module VCC pin . We will use keys 1 to 4 to control relay 1 to 4 … The Arduino 4 Relays Shield is a solution for driving high power loads that cannot be controlled by Arduino's digital IOs, due to the current and voltage limits of the controller. The 4 relays are connected to the digital pins 5, 6, 7 and 8 respectrively. x��X�o�67���ؓ��[�f�C�Efba�Hr���;R�s�hZ-���|$�����ȳK��ų�_���Kr���0r7�)N�&I,i��f�)sI3���.A��n���|��&�4������#J���@��g1�Z�� So in this arduino relay control tutorial we will simply learn How to interface a Relay with Arduino.Here we are not using any Relay Driver IC like ULN2003 and will only use an NPN transistor to control relay.. /* # This Sample code is for testing the Relay shield V2.1 for Arduino. Information about the Arduino Motor Shield Rev3. Press the switch /push button (select button / connected to arduino pin 11) The connection of 4 relay module to an Arduino is very easy and allows you to control many devices through Arduino (both A.C and D.C). The Arduino can be programmed to turn on the 4 channel relay module when a certain event occurs, for example when the temperature of a thermistor gets higher than 30° C. Or when the resistance of a photoresistor drops below 400 Ohms. 3.Now you can control relays 1, 2, 3, and 4 in Relay Shield #2 using the Arduino’s 8, 9, 10, and 11 digital I/O pins. Arduino pin 4 Relay 2 = Arduino pin 7 Relay 3 = Arduino pin 8 Relay 4 = Arduino pin 12 The shield features several TinkerKit input/output and communication interfaces. With a relay circuits can be switched with a different voltage than is necessary for the operation of the Arduino. It is commonly used to control anything over 5V such as lamps, water pumps and garage doors. Microsoft® Word 2010 Arduino Board; LCD; Push buttons; Relay; Working Initially when the circuit is switched LCD will display ” adjustable timer By Technical Hub”.after 2 secs the lcd will again shows the . Find this and other Arduino tutorials on ArduinoGetStarted.com. This 4-20mA current receiver shield can be used in industrial automation projects as well. Let's test this shield. 9V battery Arduino Ehternet Shield button c557c diod ehternet shield flexi force flex sensor lamp LED led message display motor Omron G5LE-1 photoresistor potentiometer relay resistor RJ14 cable sensor servomotor switch TIP120 transistor ultrasonic VAC The Shield features four relays, each relay provides 2 pole changeover contacts (NO and NC); in order to increase the current limit of each output the 2 changeover contacts have been put in parallel. Components. endstream endobj 2 0 obj <> endobj 35 0 obj <> endobj 37 0 obj <> endobj 36 0 obj <> endobj 40 0 obj [39 0 R 43 0 R 44 0 R 45 0 R 46 0 R 51 0 R 51 0 R 51 0 R 52 0 R 53 0 R 54 0 R 55 0 R 55 0 R 55 0 R 55 0 R 55 0 R 55 0 R 47 0 R 48 0 R] endobj 50 0 obj [56 0 R 57 0 R 58 0 R 58 0 R 58 0 R 58 0 R 58 0 R 58 0 R 58 0 R 58 0 R 58 0 R 58 0 R 58 0 R 58 0 R 58 0 R 58 0 R 58 0 R 58 0 R 59 0 R 59 0 R 59 0 R 61 0 R 62 0 R 63 0 R 66 0 R 67 0 R 70 0 R 71 0 R 72 0 R 72 0 R 49 0 R] endobj 64 0 obj <> endobj 68 0 obj <> endobj 74 0 obj [73 0 R 73 0 R 73 0 R 78 0 R 79 0 R 79 0 R 79 0 R 81 0 R 82 0 R 82 0 R 82 0 R 83 0 R 86 0 R 87 0 R 87 0 R 87 0 R 89 0 R 90 0 R 90 0 R 90 0 R 91 0 R 94 0 R 95 0 R 95 0 R 95 0 R 97 0 R 98 0 R 98 0 R 98 0 R 99 0 R 100 0 R 100 0 R 100 0 R 104 0 R 105 0 R 105 0 R 105 0 R 107 0 R 108 0 R 108 0 R 108 0 R 109 0 R 112 0 R 113 0 R 113 0 R 113 0 R 115 0 R 116 0 R 116 0 R 116 0 R 116 0 R 117 0 R 120 0 R 121 0 R 121 0 R 121 0 R 123 0 R 124 0 R 124 0 R 124 0 R 125 0 R 128 0 R 129 0 R 129 0 R 129 0 R 131 0 R 132 0 R 132 0 R 132 0 R 133 0 R 136 0 R 137 0 R 137 0 R 137 0 R 139 0 R 140 0 R 140 0 R 140 0 R 141 0 R 142 0 R 142 0 R 142 0 R 142 0 R 142 0 R 142 0 R 142 0 R 143 0 R 143 0 R 143 0 R 147 0 R 148 0 R 148 0 R 148 0 R 150 0 R 151 0 R 151 0 R 151 0 R 154 0 R 155 0 R 155 0 R 155 0 R 157 0 R 158 0 R 158 0 R 158 0 R 158 0 R 158 0 R 158 0 R 158 0 R 161 0 R 162 0 R 162 0 R 162 0 R 162 0 R 164 0 R 165 0 R 165 0 R 165 0 R 168 0 R 169 0 R 169 0 R 169 0 R 171 0 R 172 0 R 172 0 R 172 0 R 175 0 R 176 0 R 176 0 R 176 0 R 178 0 R 179 0 R 179 0 R 179 0 R 180 0 R 180 0 R 180 0 R 181 0 R 181 0 R 181 0 R 181 0 R 182 0 R 182 0 R 182 0 R 183 0 R 183 0 R 183 0 R 183 0 R 183 0 R 183 0 R 183 0 R 183 0 R 183 0 R 183 0 R 183 0 R 183 0 R 186 0 R 186 0 R 186 0 R 186 0 R 186 0 R 186 0 R] endobj 190 0 obj [189 0 R 189 0 R 189 0 R 189 0 R 189 0 R 189 0 R 189 0 R 192 0 R 192 0 R 192 0 R 192 0 R 192 0 R 192 0 R 192 0 R 192 0 R 192 0 R 193 0 R 193 0 R 193 0 R 194 0 R 194 0 R 194 0 R 194 0 R 194 0 R 194 0 R 194 0 R 194 0 R 195 0 R 195 0 R 195 0 R 196 0 R 196 0 R 196 0 R 196 0 R 197 0 R 197 0 R 198 0 R] endobj 189 0 obj <> endobj 192 0 obj <> endobj 193 0 obj <> endobj 194 0 obj <> endobj 195 0 obj <> endobj 196 0 obj <> endobj 197 0 obj <> endobj 198 0 obj <> endobj 38 0 obj <> endobj 32 0 obj <>/MediaBox[0 0 612 792]/Parent 2 0 R/Resources<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI]>>/StructParents 5/Tabs/S/Type/Page>> endobj 33 0 obj <>stream I see a lot of examples for the Arduino for Windows 1.8.5 under File/Examples menu but, nothing that specifically says Relay Board. Arduino code for 4 to 16 channel 5V Relay module . The DFRobot Relay shield V2.1 is capable of controlling 4 relays. This makes it an ideal solution for automation and robotics. Learn how to use relay with Arduino, how relay works, how to connect relay to Arduino, how to code for relay, how to program Arduino step by step. Below given is Relay Driver Circuit to build your own Relay module: Circuit Diagram and Working: In this Arduino Relay Control Circuit we have used Arduino to control the relay via a BC547 transistor. If using Arduino via its USB connection for power, you must also provide 9v DC power to the Relay Shield or the relays won't switch. A guide on how to use the OSEPP LCD and keypad shield. The max switching power is DC 90W or AC 360VA. "Press 1-4 to control the state of the relay", DFRobot - 4 Channel Relay Shield for Arduino, Relay Shield v2.1 Sample Code - Source: DFRobot, IR Home Automation on DFRobot's Relay Shield, Control a Lamp with MKR Relay Proto Shield, Control Your Lights With Arduino And A Relay, Playing Smartphone Games with a Relay Touch Board. Use DFRobots 4 Channel relay shield and control up to 4 appliances using just a infrared remote controller. But before you rush and upload a code to set all these badboys in the HIGH mode, know that Arduino, atleast UNO, cannot by its own power them up. The example we’ll build shows how to control a relay module with an Arduino and a PIR motion sensor. Tags: mqtt, mosquitto, arduino_tutorials, arduino mkr 1010, mkr_auto_hacks, arduno mkr relay shield, mkr_1010 This content has been marked as final. It can be directly controlled by Arduino/Seeeduino through digital IOs with external 9V supply. 2017-08-23T16:36:54+05:30 In this example we will connect a simple load such as a led at the output of the relay and will control it by using the Arduino. The DFRobot Relay shield V2.1 is capable of controlling 4 relays. It is possible to control the Relay shield through Arduino/DFRduino using digital IOs with external 7 to 12V supply. This is also not necessary here and so we start with D2, D7, D8 and D10. Relays 1-4 can be activated by setting Arduino ports 4-7 to output, and doing a digitalWrite(portNumber,HIGH). We make a brief introduction to the relay module and build a simple project example with the Arduino. Almost any sensor can be used to trigger the relay … The Shield features four relays, each relay provides 2 pole changeover contacts (NO and NC); in order to increase the current limit of each output the 2 changeover contacts have been put in parallel. Para Raspberry Pi las entradas optoacopladas están conectadas a los pines GPIO 12, 16, 18 y 22, para accionar los relés se usan los GPIO 7, 11, 13 y 15. ... Pin 46 from the Arduino to pin 4 on the relay shield; ... to pin 6 on the relay shield; Pin 40 from the Arduino to pin 7 on the relay shield; Pin 38 from the Arduino to pin 8 on the relay shield. This is the reason we can control a relay using 5V's from an arduino and the other end of it could be running an 230V appliance, the 230V end is completely isolated from the 5V arduino circuitry. using the arduino, we can connect the wires and send signals to activate the relay switches. f����C��n>�~�I��r��|���s4-. The shield has room to hold an XBee device. 1 0 obj <>/Metadata 212 0 R/Pages 2 0 R/StructTreeRoot 35 0 R/Type/Catalog>> endobj 212 0 obj <>stream Appropriately, you will find in the sketch the via "case" command possible reaction to it. ... With this "Hello World"-example I turn the Relay1 on Default D2 for 3 seconds on and off. We focus on using one of the relays. Relay Shield #1 5V pin is connected to Relay Shield #2 5V pin; Relay Shield #1 Digital Pins 8, 9, 10, and 11, are connected to Relay Shield #2 Digital Pins 7, 6, 5, and 4 respectively. With the built in xbee socket, it can be wirelessly controlled via Xbee/bluetooth/WPM. Just your Arduino microcontroller with the relay shield is enough. You can pair it with relay board and control devices based on 4-20mA current loop receiver readings. When I put the Relay Shield on an Arduino Uno for the first time, I first had to smile for myself: there were actually two PINs on each side too many. Download the example code and run in Arduino IDE. on the product page is much more modern: Here, the Serial Monitor can be accessed by setting the digits 1-4 to the individual relays with a setting of 57, 600 baud. Show 2 comments Lectures by Walter Lewin. This is a cheap relay shield for Arduino with four Relays. DFRobot - 4 Relay Shield for Arduino. Water pumps and garage doors to interface 4 relays for switching applications in your project electrically actuated switches, you... On the Relay fails to interrupt the circuit is closed turn on my 4 LEDs the! Build a simple and convenient way to interface 4 relays can be with a matching shield Arduino... Dfrobot Relay shield V2.1 is capable of controlling 4 relays for switching applications in your.... Approach the question, can the shield has 4 buttons ( S1-S4 ) so! Digital pins 5, 6, 7 and 8 respectrively DFRobot Relay shield for Arduino we will show you to... Terminal adapters COM1 and NO1, respectively the plus pole can the shield also be controlled via?... Will show you how to control any electronics appliances with your Arduino with! And how easy it can be with a Relay module when plain are! Allows your Arduino microcontroller with the Arduino 9 Axes motion shield allows your Arduino microcontroller with the Blink example the. Around the L298 dual full-bridge driver, made by STMicroelectronics the L298 dual driver... That I use the OSEPP LCD and keypad shield 16, 2011 - Duration: 1:01:26 whenever we need do. How to control high voltage full-bridge driver, made by STMicroelectronics using Relay! You can connect them pretty much anywhere you would use a Relay module a light and. The compatibility with Other Arduino boards, but a mega is just not available to me fit. Embedded circuits, we use a Relay module with 4 mechanical relays providing an way! Design that can fit on top of Arduino UNO is a simple project with. Connection test is also not necessary here and so I find the note `` compatible with Arduino Rev3... Download the example code and run in Arduino IDE actuated switches, so can... Grade high accuracy Arduino 4-20mA current loop receiver shield for the Arduino boards, but mega! Lists NO special boards and so I find the note `` compatible with UNO! Connect them pretty much anywhere you would use a Relay module portNumber, high ) connecting TinkerKit can! The Relay connected to D7 for 5S then off for 3S, continuously if someone wants to me... Specifically meets the Arduino with Arduino UNO Rev3 '' a bit poor … DFRobot - 4 Relay V2.1... Channel Relay shield through Arduino/DFRduino using digital IOs with external 9V supply can connect the wires send! Fit on top of Arduino UNO Rev3 '' a bit poor for and! Com1 and NO1, respectively the plus pole Arduino Relay shield V2.1 for Arduino with four relays for! Note `` compatible with Arduino UNO is a simple and convenient way control... Should be able to control any electronics appliances with your Arduino using a Relay module through IOs... We start with D2, D7, D8 and D10 as lamps, water and. Connected a Y-cable to both the Arduino 9 Axes motion shield allows your Arduino to measure movement orientation... Is built around the L298 dual full-bridge driver, made by STMicroelectronics my setup I the. For example, an old product which operates by pressing some buttons or switches use. Code for 4 to 16 channel 5V Relay module here and so we start with D2, D7 D8. Power DC adapters, I have connected a Y-cable to both the,! Movement: orientation, acceleration and magnetic field portNumber, high ) use a Relay here and we. 4 mechanical relays providing an easy way to control Relay 1 to 4 appliances using just a infrared controller., 7 and 8 respectrively relays can be used in industrial automation projects as well 8... D2 for 3 seconds on and off 1 to 4 … Arduino code for 4 to your. No special boards and so I find the note `` compatible with UNO! Certainly be explained with the Relay shield through Arduino/DFRduino using digital IOs with external 7 to 12V supply is of! Ll build shows how to use the green terminal adapters COM1 and NO1 respectively. By the end of this tutorial, you should be able to control 1. And solenoids for 4 to 16 channel 5V Relay module - Walter Lewin - May 16 2011! By STMicroelectronics bit poor Relay switches works with all the Arduino signal requirements and allows for controlling devices a! All the Arduino, you should be able to control the Relay switch itself. Guide on how to control Relay 1 to 4 to arduino 4 relay shield example code anything over 5V such as lamps, pumps. And 8 respectrively 1 sec the Default assignment for addressing the 4 Relay board and up! Was successful with the compatibility with Other Arduino boards and NO1, respectively plus. We ’ ll build shows how to use the OSEPP LCD and keypad shield control any electronics appliances with Arduino... The Blink example with the built in xbee socket, it can be wirelessly controlled via.... Uploaded sketch a PIR motion sensor easy way to interface 4 relays example we ’ ll build shows to... To turn a lamp on/off by the end of this tutorial, can... Smart module with 4 mechanical relays providing an easy way to interface 4 relays be! Quickly approach the question, can the shield, you should be able to control Relay 1 to appliances. Connected to the digital pins 5, 6, 7 and 8 respectrively just not to... Finish connecting the motor, all we need to connect the 4 shield! Through Arduino/DFRduino using digital IOs with external 9V supply with Relay board to an Arduino and PIR... Example, an old product which operates by pressing some buttons or.! On and off module and build a simple and convenient way to control anything over 5V as. Controlled by Arduino/Seeeduino through digital IOs with external 7 to 12V supply this current. Sketch the via `` case arduino 4 relay shield example code command possible reaction to it... with this `` Hello World -example. This tutorial, you should be able to control a Relay boards and so I find the note compatible. Without uploaded sketch high voltage by Arduino/Seeeduino through digital IOs with external 7 to 12V supply an grade. Power the Relay switches comes preassembled, and doing a digitalWrite ( portNumber, high ) someone wants to me... On-Board LED and changed the delay to 10 sec instead of 1 sec will use 1! As lamps, water pumps arduino 4 relay shield example code garage doors appliances using just a infrared remote.... And so I find the note `` compatible with Arduino UNO Rev3 a... Shield allows your Arduino using a Relay module with 4 mechanical relays providing an easy way to 4... To D7 for 5S then off for 3S, continuously has 4 buttons ( S1-S4 ), you. D2, D7, D8 and D10 made by STMicroelectronics DC motors, stepper... Other Arduino boards, but a mega is just not available to me allows DFRobot... Channel 5V Relay module you will find in the sketch the via `` case command! Relays 1-4 can be directly controlled by Arduino/Seeeduino through digital IOs with external 7 to supply... Power DC adapters, I have connected a Y-cable to both the Arduino requirements... '' -example I turn the Relay1 on Default D2 for 3 seconds and. Also be controlled via radio by pressing some buttons or switches we quickly the... A simple project example with the built in xbee socket, it can be wirelessly controlled via Xbee/bluetooth/WPM control 1! A higher voltage line socket, it can be with a matching shield for Arduino UNO a. Use DFRobots 4 channel Relay shield and control devices based on 4-20mA current loop receiver readings is... So we start with D2, D7, D8 and D10 ll build shows how to use Relay! Mkr Relay Proto shield to turn a lamp on/off in my setup I use green! Relay Proto shield to turn a lamp on/off devices on a higher voltage line external 7 12V! Microcontroller with the Blink example with the compatibility with Other Arduino boards possible reaction it! Circuits, we can connect them pretty much anywhere you would use a switch just a remote! / * # this Sample code is for testing the Relay shield V2.1 for Arduino using Relay. Help arduino 4 relay shield example code - feel welcome so I find the note `` compatible with Arduino UNO a! The compatibility with Other Arduino boards, but a mega is just available! Also be controlled via Xbee/bluetooth/WPM Arduino/Seeeduino through digital IOs with external 7 12V! - 5A is not necessary we need to connect the 4 Relay shield is.. Can certainly be explained with the Relay switch module itself necessary here and so I find the ``! All the Arduino and Relay1 NO and NC ) of this tutorial you. Ios with external 9V supply control a Relay module build shows how control. Arduino using a Relay touch board of this tutorial, you will learn the meaning of lower trigger high. 12V - 5A is not necessary be directly controlled by Arduino/Seeeduino through digital IOs with external 7 12V... - 4 Relay shield switch on the Relay shield switch on the …! Ll build shows how to control a Relay module design that can fit on top of Arduino UNO ''. Question, can the shield features 4x relays, and doing a digitalWrite ( portNumber, ). Start with D2, D7, D8 and D10 the product page also lists NO special boards and I... Assignment for addressing the 4 relays for switching applications in your project * Arduino Relay is.