Internet of Things. **Terminals J2-4 are similar to J1 except that they control RELAY2-RELAY4 respectively. Give it a meaningful name. Some shields also require a connection to the Arduino’s ICSP header (the 2×3 programming header on the end). You can get 10 high quality PCBs (size: 100mm x 100mm or smaller) for just $5 USD. MKR WiFi 1010. Project requires 12V DC supply, all 4 trigger inputs require TTL signal, Relay-1 to Relay-4 inputs connected to D8 To D11 of Arduino digital pins through solder jumpers J1 To J4. Figure 6: Student Companion Easy Relay 1 Shield, You can download the Gerber files of this project for free or you can simply order the PCB of this project from this link: https://www.pcbway.com/project/shareproject/Student_Companion_Easy_Relay_1_Shield.html. To see this page as it is meant to appear, please enable your Javascript! All of the parts you added from the schematic should be there, stacked on top of each other, ready to be placed and routed. For higher voltage such as 110V or 220V, please consult a professional electrician to avoid Electric Shock! We could have chosen almost any Digital pin of the Arduino to control the relay, or use some jumpers to allow the user to select a pin of his/her choice, to make things simpler, we’re gonna use pin D7 to control the Arduino. More by the author: Shield to control 6 relay, 6 digital input and 6 analog input with Arduino Duemilanove, Arduino UNO. We used the Sparkfun EAGLE libraries, you can get the Arduino board under Boards – SparkFun. A diode connected across the relay coil in reverse biased can do the job. Example #2: How to Use More Than One Relay Shield With Only One Arduino/Seeeduino Board. This electronic circuit can be used as part of a larger system, IoT Internet of things. A motor control application with one relay and one motor is shown below: In the case of the Relay Shield, the two “Control Circuit” terminals for each of the four relays are controlled by only one Arduino Digital I/O pin. when a voltage and current is applied to the coil), the current and coil create a magnetic field which is able to attract the COM terminal towards the NO terminal, when the control circuit removes the applied voltage and current the COM terminal returns to contact the NC terminal due to a mechanical force (usually a spring). 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. Figure 1: Student Companion Easy Relay 1 Shield PCB made by PCBWay. And connect Arduino to PC using a USB cable. In this example we’re gonna turn it on for 5 seconds and off for 3 seconds. How does the circuit works. To add a schematic to a project folder, right-click your project folder, hover over “New” and select “Schematic”. In our testing, we used a lithium battery as the external power supply for the motor. ETHERNET SHIELD V2. DIY | Homemade 5V Single Channel Relay Module Shield For Arduino, PIC, AVR, Raspberry pi***Features:*** 1. NC1 (Normally Closed): This terminal will be connected to COM1 when the RELAY1 control pin (Digital 7 I/O pin) is set low and disconnected when the RELAY1 control pin is set high. You can’t make them yourself. You won’t need to buy expensive licences, some of these free software will even allow you to make and commercialize your boards wit their free versions. Any PCB Schematic design software can be used. All rights reserved. In this example we’re gonna use the BC547, a general-purpose low cost NPN bipolar junction transistor. Relay can be controlled from D3 and D4 of Arduino Nano. That means the relay electromagnet is directly powered from the Arduino’s power pin, so the relay module and the Arduino circuits are not physically isolated from each other (this is the configuration we’ll use). This Relay Shield for Arduino acts like a switch. MKR FOX 1200. Project requires 12V DC supply, all 4 trigger inputs require TTL signal, Relay-1 to Relay-4 inputs connected to D8 To D11 of Arduino digital pins through solder jumpers J1 To J4. How to make LAN/Ethernet relay switch using Arduino UNO and ethernet shield ENC28j60. Download the project files including the Eagle based schema and board design: 1. 3.We will use RELAY3 to control the DC motor. With the built in xbee socket, it can be wirelessly controlled via Xbee/bluetooth/WPM. It can be directly controlled by Arduino/Seeeduino through digital IOs with external 9V supply. The Controller Area Network (CAN) is a serial communication bus designed for robust and flexible performance, specially for industrial and automotive applications. By technolando Open Electronics Follow. MKR VIDOR 4000. In this project we used EAGLE due to its simplicity and free (the free version has some limitations but for simple 2 layer boards like this one, those limitations won’t affect us). This is a simple tutorial, remote control over the LAN. 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. We gonna use the SparkFun sfe-gerb274x.cam job template that we have already installed. Standardized shield form factor enables smoothly connection with the Arduino. This speeds up development time even for absolute beginners. In the control panel, under the “Projects” tree, right click on the directory where you want to save your project, we prefer to use the default EAGLE directory. The price of standards electronic components are relatively cheap. The file is zipped, you will need to unzip it (Download a free version of the Winzip utility to unzip files). Thanks, Sorry, you have Javascript Disabled! The Relay Shield is an Arduino compatible smart module with 4 mechanical relays providing an easy way to control high voltage. This makes it an ideal solution for automation and robotics. 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. 1.Stack the Relay Shield onto the Arduino development board. Application schematic is shown below: Here we will show you how to use the Relay Shield to control a DC motor. 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. Connect the DC motor and Relay Shield as shown in the schematic and figure below: The external supply must be able to provide enough current and be set to the correct voltage for the motor. NO1 (Normally Open): This terminal will be connected to COM1 when the RELAY1 control pin (Digital 7 I/O pin) is set high and disconnected when the RELAY1 control pin is set low. 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. The detail instruction, code, wiring diagram, video tutorial, line-by-line code explanation are provided to help you quickly get started with Arduino. **. Start with a new EAGLE Project. © 2008-2020 Seeed Technology Co.,Ltd. ARDUINO. Figure 4: Student Companion Easy Relay 1 Shield Board Layout in EAGLE. Hardware installation as shown below. Please read this article to learn more about PCBWay: Low Cost PCB Prototype and Assembly with PCBWay. Looking at the schematic, it looks like using the DS18B20 temperature sensor (and the infrared receiver module) requires a bit of research. As indicated in the top silkscreen layout, the flat (labeled) side of the temperature sensor must face the bottom side of the multifunction shield fronting the three pushbuttons. Diode D2 is a free wheeling diode is used to suppress the back emf generated by the coil of the relay which could damage the transistor. You don’t even have to worry a lot about this form factor as there are already free Arduino libraries that you can use as template in almost all PCB design software like EAGLE, Fritzing, EasyEDA etc. Figure 2: Student Companion Easy Relay 1 Shield Circuit Diagram. Whether you want to connect your board to the Internet, Control motors, switch high voltage devices or wireless communication like Wi-Fi or Bluetooth, there is a shield for that. Relay Shield #1 5V pin is connected to Relay Shield #2 5V pin. Figure 1 below shows the Relay PCB we received form PCBWay. It is possible to control the Relay shield through Arduino/DFRduino using digital IOs with external 7 to 12V supply. The external supply must be able to provide enough current and be set to the correct voltage for the motor. "Arduino" name and logo are trademarks registered by Arduino S.r.l. Arduino Relay Shield Schematic 54 The shield provides two relays called RELAY1 and RELAY2 commanded by pin 1 and pin 2 respectively.The shield also provides an easy connection by means of screw terminal blocks to A1 to A4 analog inputs, I2C and supply voltages.. Operating voltage 3.3V (supplied from the host board) Make connected devices easily with one of these IoT products and open your creativity with the opportunities of the world wide web. From the schematic editor click the Generate/Switch to Board command in the toolbar or Switch to Board under the File menu. The circuit diagram is very simple: Add Tip Ask Question Comment Download. ARDUINO 4. In this project we used EAGLE due to its simplicity and free (the free version has some limitations but for simple 2 layer boards like this one, those limitations won’t affect us). We recommend PCBWay, they produce cheap boards of high quality on small orders. Arduino Relay Shield Schematic - Free download as PDF File (.pdf), Text File (.txt) or view presentation slides online. The other and probably most important is also the cost to manufacture your PCBs. The Relay Shield provides a solution for controlling high current devices that cannot be controlled by Arduino’s Digital I/O pins due to current and voltage limits. SunFounder 5V 8 Channel Relay Shield Module for Arduino R3 2560 1280 ARM PIC AVR STM32 Raspberry Pi 3, 2 Model B & B+ 4.6 out of 5 stars 615. Once you import the schematics, you can start editing the schematic sheets to add new components and functions. Very compact design that can fit on top of Arduino UNO. MKR NB 1500. Place all the parts using the MOVE tool on the blank board and route all the airwires. Relay Shield #1 GND pins are connected to Relay Shield #2 GND pins. In this project we used EAGLE due to its simplicity and free (the free version has some limitations but for simple 2 … 2 Channel Mini easy to use Relay shield for Arduino Nano consists of ULN2003 IC and 2 Mini 12V Relays with NO/NC contacts of 2A-24V Load Capacity.ULN2003 used as Relay coil driver. Step 1: Schematics … Very compact design that can fit on top of Arduino UNO. In this Arduino relay tutorial, I will show you how to use a relay with microcontrollers. The relay ratings will depend on your intended applications, here we are using 5V DC, 10A at 250V AC relay. Use Relay 3 to control the motor. A relay is commonly used to interface a low-current circuit to a higher-current circuit. This is a practical tutorial, we’re gonna build a fully working complete Arduino Relay shield, we’re gonna go through all the steps, we’ll start from scratch explaining and simulating the circuit diagram in Proteus, then we’re gonna create a Printed circuit Board with Eagle but any PCB design software can also be used, then we’re gonna generate the manufacturing files to manufacture the PCB with PCBWay our favorite low cost PCB manufacturing company and finally were’re gonna test the operation of the shield with a simple arduino sketch. If you found these tutorials helpful, please show your support and donate any amount you wish so that we can do even more. Board Layout Using EAGLE . 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 the Arduino/Seeeduino board or other Arduino compatible boards. MKR GSM 1400. Next. One of those companies we can recommend is PCBWay. The main difference between them is that the UNO board is presented in PDIP (Plastic Dual-In-line Package) form with 30 pins and Nano is available in TQFP (plastic quad flat pack) with 32 pins. PCB companies usually charge cheaper per unit if you order many PCBs, for prototyping, you’d prefer to order just a few to make sure you are happy with everything. From the schematic editor click the Generate/Switch to Board command in the toolbar or Switch to Board under the File menu. When operating all 4 relays it should be powered by 9V applied to the screw terminal on the left of the picture. We increased the width of the high voltage/current section of the relay to 2.54 mm. The LED D1 will switch when the relay is energized. Relays are basically electromagnetic switches: when the relay is energized by the control circuit (i.e. PROTO SHIELD. There are hundreds of shields out there. Now that you know how a relay works internally, let us show you how to use the Relay Shield. If your shield uses SMT components, PCBWay provide PCB Assembly services as well at a competitive price. The digital inputs and relay outputs are equipped with an LED that indicates the status. Arduino LCD Keypad Shield Schematic. ARDUINO NANO 33 IOT . To control it, I used HTTP and JSON. Each time a person orders this PCB, we will get 10% commission of the total PCB cost. Additionally the 5V and two GND Arduino pins are also required to power up the Relay Shield. Arudino Uno/Leonardo/Seeeduino compatible; Other board or microcontroller via jumper cables, Interface via digital I/O pins 4,5,6, and 7, LED working status indicators for each relay, COM, NO (Normally Open), and NC (Normally Closed) relay pins for each relay. See sample code below for controlling RELAY1 in Relay Shield #2: Please submit any technical issue into our forum. $10.99. Making your own shields could be cheaper than buying one. MKR WAN 1300. 2.Connect Arduino to your PC using a USB cable. Please place 2 layers of electrical tape on the top of the Arduino's usb connector. Arduino Control Relay Schematic. The MKR Relay Protoshield allows you to easily add relays to your MKR board based project.. Arduino Nano has similar functionalities as Arduino Duemilanove but with a different package. COM1 (Common Pin) : The relay pin controlled from the digital pin. For safety reasons, do not exceed: 1. Just upload your Eagle board file *.brd to this link:  https://www.pcbway.com/member/brdtogerber.aspx , their online converter supports Eagle boards from 1 to 10 layers. Relay module for Arduino is one of the most powerful application for Arduino as it can be used to control both A.C and D.C devices by simply controlling the relay by giving 5V. Stack the Relay Shield onto Arduino. This makes prototyping with Arduino plug and play. You can’t take chances with any company and you can’t spend a fortune because of the quality again even if they say you get what you paid for! Digital 4 – controls RELAY4’s COM4 pin (located in J4), Digital 5 – controls RELAY3’s COM3 pin (located in J3), Digital 6 – controls RELAY2’s COM2 pin (located in J2), Digital 7 – controls RELAY1’s COM1 pin (located in J1), Relay Shield #1 GND pin is connected to Relay Shield #2 GND pin, Relay Shield #1 5V pin is connected to Relay Shield #2 5V pin. Under local CAM jobs, select the sfe-gerb274x.cam, To generate, click on Process Job, and then Specify the folder. Motor and Relay Shield schematic Arduino board with Relay Shield, and a motor connected to the Relay Shield Note:The external power supply in the figure above can be a battery or power supply. Click on the CAM processor icon on the toolbar. Because the Relay Shield uses digital pins on the Arduino to control each the relays, more than one Relay Shield can be used with the same Arduino board, to do so simply follow these steps: 1.Stack one of the Relay Shields (let’s call this one Relay Shield #1) onto the Arduino development board. . There are many PCB companies in the world that can make you good quality PCBs, but we need one that can produce cheap boards of high quality on small orders because the first batch of any project is likely be of small quantity. And if you are a student or an educator, you could get PCB for free, read this article to find out how: Free PCBs and Discounts for Students and Educators with PCBWay’s Sponsorship Program. Relay Shield #1 Digital Pins 8, 9, 10, and 11, are connected to Relay Shield #2 Digital Pins 7, 6, 5, and 4 respectively. Double Relay Shield with only one Arduino board schematic. We routed the traces on Top layer (Red colour) and Bottom layer (Blue colour). Digital pins cover the other edge on the other side, an eight-pin header separated from a 10-pin by 0.5″ spacing. 48 VAC / 5A The Nano is inbuilt with the ATmega328P microcontroller, same as the Arduino UNO. We increased the width of the high voltage/current section of the relay to 2.54 mm. Introduction: Simple Relay Shield for Arduino. The max switching power is 70W DC. Alternatively you can contact them from their website, click on the logo below: Figure 2 below shows the circuit diagram of the relay shield. 1.Stack the Relay Shield onto the Arduino development board. We routed the traces on Top layer (Red colour) and Bottom layer (Blue colour). As such, it’s very useful in controlling appliances and other mains-powered devices using microcontrollers. PCBWay is a china based PCB manufacturer specializing in PCB prototyping, small volume production and PCB assembly service all under one roof with more than a decade of experience. This will prevent the relay shield from making contact. Now we have reached the final stage of the PCB design, it’s time to generate the Gerber files that we can send to our manufacturing house to build our boards. There are many great professional PCB software you can use for free to make your shields like EAGLE, Fritzing and EasyEDA just to name a few. ARDUINO ZERO. Only four Arduino Digital I/O pins, pins 4-7, are required to control the four different relays. Figure 3: Student Companion Easy Relay 1 Shield Schematic in EAGLE. ARDUINO MOTOR SHIELD. The max switching power is DC 90W or AC 360VA. CAUTION: RISK OF ELECTRIC SHOCK! Figure 2: Student Companion LCD Keypad Shield Circuit Diagram. The relay is connected to D7, to turn it ON, just send a high to that pin and to turn if off , just send a LOW. Pins 4, 5, 6, and 7 control relays 4, 3, 2, and 1 respectively. Writing tutorials and recording tutorials videos requires a lot of resources and time. Without the jumper cap, you need to provide an independent power source to power up the relay’s electromagnet through the JD-VCC pin. The DFRobot Relay shield V2.1 is capable of controlling 4 relays. Its rated continuous collector current is 100 mA, which is more than the required 79.4mA by the coil of the relay we are using. We used the Blue solder mask. This shopping feature will continue to load items when the Enter key is pressed. 2. Controlling a relay from arduino is basically the same as switching on and off an led. 3.We will use RELAY3 to control the DC motor. See instructions, Any PCB Schematic design software can be used. Gerber files contain the data about the PCB, where traces, pads, holes are placed, their width and so on. Here are some few reasons you may consider: Arduino Shields are easy to make, just think of what you would like to extend your Arduino board with, then follow the same form-factor as the standard Arduino: Power and ground pins on one eight (previously six) pin header, and analog pins on a six-pin header next to that. Arduino schematics may not be available in Altium Designer’s file format, but the import and conversion tools still allow you to import schematics and begin creating your own board. For one of my hobby projects I would like to use: Wemos D1 mini pro (schematic) Wemos D1 Relay Shield (schematic) to control the 24V (19W) mist maker. You can pick between these solder mask colours at no extra cost: Green, Red, Yellow, Blue, white and Black. MKR RELAY PROTO SHIELD. Low Cost PCB Prototype and Assembly with PCBWay, Free PCBs and Discounts for Students and Educators with PCBWay’s Sponsorship Program, https://www.pcbway.com/member/brdtogerber.aspx, https://www.pcbway.com/project/shareproject/Student_Companion_Easy_Relay_1_Shield.html, Download a free version of the Winzip utility to unzip files, Automatic Temperature Control System using Arduino – Flowcode, Interfacing The TC74 I2C Digital Thermal Sensor with PIC Microcontroller – XC8, SMS Controlled Relay with PIC Microcontroller- MikroC, Outsource your Electronic Board Assembly Prototype with PCBWay, Controlling a PIC Microcontroller from a PC Graphical User Interface (GUI), Interfacing LCD Display With PIC Microcontroller – XC8, Interfacing SD Card With PIC Microcontroller – XC8, Automatic Temperature Control System using PIC Microcontroller – XC8. There is also an easier way to generate Gerber files from PCBWay, the company we use to manufacture our Printed Circuit Boards. Any PCB Schematic design software can be used. NO: 5A(250VAC/30VDC), 10A(125VAC), MAX:1250VA/150W NC: 3A(250VAC/30VDC), MAX:750VA/90W 7 configurable IO, default: D1(GPIO5) There are many reasons why you should make your own Arduino shields instead of buying one. Some practical relay applications include: control of high voltage using low voltage, motor control, remote control, anti-hearing alarm, automatic temperature alarm, incubators and son on. By default the relays are controlled by D2, D7, D8 and D10. You can complete your order online at this link: Below on figure 6 is the Complete Student Companion Easy Relay 1 Shield with Components. … 2.Connect Arduino to your PC using a USB cable. in Italy, in the European Union and in other countries of the world. 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. Basic Arduino relay shield example 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. We also added some Text on Top and Bottom Silk layers. PCB design in EAGLE is a two-step process. Select “New Project”. 4.Start the Arduino IDE and upload the following code to the Arduino board: When you have uploaded the code to your Arduino/Seeeduino board the motor should run one second, stop for another second and repeat the process indefinitely. Which means it could be a nice solution for controlling devices that couldn’t be directly controlled by Arduino’s Digital I/Os. We’re gonna connect a light bulb to the relay shield, just break one AC line (the live line) and connect it to Normally Open and Com terminals of the relay as shown on figure 7 below. Relay Shield #1 Digital Pins 8, 9, 10, and 11, are connected to Relay Shield #2 Digital Pins 7, 6, 5, and 4 respectively. When the motor is running (NO3 and COM3 are connected), the NO3 LED indicator will be lit. First we’re gonna design the schematic, then lay out the board based on the schematic. Instead of soldering or wiring external devices or sensors, you can simply hook your board with a shield. Connect the DC Motor and Relay Shield as shown below. 2.Connect another Relay Shield (let’s call this one Relay Shield #2) using jumper cables/wires to Relay Shield #1 as shown in the figure below: 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. The quality of a PCB can affect the overall quality of the whole electronic device. That’s how you can also support us for more tutorials. You can download the Proteus Schematic design below here. Connect the DC motor and Relay Shield as shown in the schematic and figure below: The external power supply in the figure above can be a battery or power supply. 24 VDC / 5A RELAYS SHIELD. The board is small can be easily routed manually using the ROUTE tool. If you are considering selling your shields or even for your own prototype, it’s always a must to use a reputable PCB manufacturing company for your PCBs. Customers who bought this item also bought. This will prompt to create a new board based on the schematic when switching to board from the first time. Figure 3: Student Companion Easy Relay 1 Shield Schematic in EAGLE. An example of this type of relay shield is the DFROBOT Relay Shield for Arduino V2.1. Add the parts using the the ADD Tool and design a schematic like the one on figure 3 below. This shield can be configured in a number of ways using the jumper strips. We used the Sparkfun EAGLE libraries, you can get the Arduino board under Boards – SparkFun. Find this and other Arduino tutorials on ArduinoGetStarted.com. Three-pin Header Connector CN1 and CN2 provided to connect the Load. Page 1 of 1 Start over Page 1 of 1 . DMXShield.zip(Version 7) I sometimes may have some boards available so you can ask for per mail. The Relay Shield utilizes four high quality relays and provides NO/NC interfaces that control the load of high current. An Intro to Relays Basically, a relay is an electromagnetic switch. Arduino shields are boards that can be plugged on top of the Arduino PCB to extend its capabilities. Figure 7: Connecting a light bulb to the Relay Shield. The last step in PCB design is to manufacture the actual board, even though you can do it yourself, this is a simple board after all, but for rapid prototyping or for commercial products it’s always a must to use specialized reputable PCB manufacturer instead of doing it yourself. A relay is basically a switch which is operated electrically by electromagnet. See more: How to make LAN/Ethernet relay switch using Arduino UNO. 4 Channel Relay Shield for Arduino UNO is a simple and convenient way to interface 4 relays for switching applications in your project. This voltage is used to drive the transistor that will switch ON the relay and the load (in our case the fan) will be powered from the main power supply. We also added some Text on Top and Bottom Silk layers. 4 Channel Relay Shield for Arduino UNO is a simple and convenient way to interface 4 relays for switching applications in your project. The same procedures can be used to build any Arduino Shield of your choice. Because relay coils usually require more than 40mA an arduino pin can supply, that’s why we can’t connect them directly, we can use any low power transistor to do the job. It is commonly used to control anything over 5V such as lamps, water pumps and garage doors. Eagle comes with a couple default *.cam files. 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