As relay diagrams show, when a relay contact is normal. The six pins on the left side of the relay module connect high voltage, and the pins on the right side connect the component that requires low voltage—the Arduino pins. Each relay will turn on for 5 seconds and then will turn off. Ease of use and wider operating system compatibility are the primary goals behind this product’s design. This is a 4 channel relay module to control high power devices with low power inputs. Arduino pin#8 - Relay module IN2. 4 Channel Relay Module. Relays are connected directly to each output channel. How to use a Relay. 4 Channel Relay module VMB4RY 4 normal open relay contacts: 16A / resistive load 10 different operation modes : moment control, on/off control, start/ stop timer, staircase lighting timer, non-restartable timer, switch-off delay, switch-on delay, start timer by releasing push button, timer with blinking effect, 2-way timer HiLetgo 12V 4 Channel Relay Module with OPTO-Isolated Support High and Low Level Trigger. I reccently bought a 4 relay module so I can create a light switch to turn off 110v light bulbs. The 4 Channel Relay Breakout is an easy way to use your Arduino, Raspberry Pi, or other microcontroller to switch high voltages and high current loads. Raspberry Pi With 4 Relay Module ( for Home Automation ) : Firstly we will connect the raspberry and the 4 array module and test it locally. keyestudio 4-channel Relay Module. Software resource: Arduino IDE The one-channel relay can be programmed to realize the open and close automatically. To connect 3.3V ESP8266 to 5V relay module we use one NPN transistor 2N2222. After the connection is successful, the green flashing from 2 seconds to keep ON.Click on the gray square to send an instruction to control the relay… We will make it with apache server , php , javascript , jquery , bootstrap , bootstrap- switch butt… 4 Channel Relay Module. Now that we know everything about the relay module, it is time to put it to use! CNC 4-Axis Kit 6 with ST-4045 Motor Driver, USB Controller Card, Nema23 Stepper Motor and 36V Power Supply. In setup function we have to set pinMode as output for all channel pins. You can use relay module with more relays (2,4,8). About product and suppliers: Control the flow of electricity within a circuit with powerful and highly efficient 4 relay module from Alibaba.com. modules. You can easily control this relay board by your computer or smartphone using bluetooth. Connect from 1 to 4 channels to your microcontroller and relays as required. system connection. Jump to: navigation, search. You can use relay module with more relays (2,4,8). In many tutorials about relays you will see instructions that y… It has power and relay operation instructions. 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). Optical coupling isolation module. The 4 channel WIFI relay module carried a ESP8266 WIFI module and mature 8 bit MCU, with professional switching power supply circuit.It could control the relay by Android phone APP within the local area network (LAN).It is easy to set. ... Channel Wireless Relay Receiver Remote Control Switch with Long Range Remote Control Transmitter and DC Female to Screw Connector. This is a particularly convenient method because it can also be done by fitting a 5-pin male breakaway header to the 4-Channel Relay Driver Module, and plugging it directly into the Arduino header so that GND on the module aligns with GND on the header. Find this and other hardware projects on Hackster.io. Sort by Popular Newest Most Reviews Price. Very powerful and easy to use. It can be controlled directly by Microcontroller(Arduino, 8051, AVR, PIC, DSP, ARM, ARM, MSP430, TTL logic). 4 channel relay module" 150 Results; Price - OK. Ship From. NO pin is open by default, unless you send a signal from the Arduino to the relay module to make the connection. 4 Channel Relay Module 5. ELEGOO 4 Channel DC 5V Relay Module with Optocoupler for Arduino UNO R3 MEGA 2560 1280 DSP ARM PIC AVR STM32 Raspberry Pi. 4 Channel Relay Module EN Quick Instructions Version:1 Safety Instructions Do not to touch connections carrying voltages above 25 V/AC or 35 V/DC. In stock. It can be used to control various appliances and equipment with large current. It is equiped with high-current relays that work under AC250V 10A or DC30V 10A. This is PC software for KC868-H4 4 channel ethernet relay module, It can control by LAN (local control) or WAN (remote control) new software support CCTV (only use for KinCony’s ipcamera product). Uses optocoupler driven relays to switch higher voltage and/or current applications with an Arduino, Raspberry Pi, Beaglebone, or other microcontroller or ARM boards. When the detection sensors are available, connecting them into the input port. All Rights Reserved, 4 Channel 10A Relay Module to Control up to 4 Separate Devices, Toggle Each relay with 5V or 3.3V with 4 Separate 4 input pins, Opto isolation to protect your microcontroller inputs, IDC Connection header compatible with MudPi boards. I'm having trouble understanding the connection of a external power supply to this specific relay shield: This is a really useful module, but I'm not able to find a lot of documentation about it, I mean, I've readed a lot of posts related to relay shields and Arduino connection, but they are for different modules, for example this one: Use for a 4-zone sprinkler controller, lights, sirens, or anything that requires 4 switched dry contacts. Copyright 2019 MudPi. Numato Lab’s 4 USB Solid State Relay Module is a great product for controlling electrical and electronic devices remotely from a PC or Mobile Device over a USB link. The 4 channel relay module has two different types of electrical contacts inside – normally open (NO) and normally closed (NC). 4 Channel 5V Optical Isolated Relay Module This is a LOW Level 5V 4-channel relay interface board, and each channel needs a 15-20mA driver current. Get progress updates and new developments maybe once a month. The 120-240V supply current enters the relay at the common (C) terminal in both configurations. 5V 2-channel relay module; 5V 1-channel relay module; 5V 8-channel relay module; 3.3V 1-channel relay module; Relay Pinout. 4>.Open the "EasyTCP_20" APP, click "CONNECT", enter the IP address of the ESP8266 module: 192.168.0.174 and port number 8080, and then click "Connect". Very convenient to use. Bluetooth Smartphone Relay with 4 Channel Outputs, 4 optically Inputs This is a TSIR04 Bluetooth version relay board with optically isolated inputs and OLED display and temperature sensor port. There are only different input and output channel. Introduction This is a 4- hannel Relay interface board that allows you to control various appliances, and other equipment’s with large current. Buy SunFounder 2 Channel DC 5V Relay Module with Optocoupler Low Level Trigger Expansion Board for Arduino R3 MEGA 2560 1280 DSP ARM PIC AVR STM32 Raspberry Pi: Computer Components - Amazon.com ✓ FREE DELIVERY possible on eligible purchases, I've been playing with products or boards with AC relays for a while, but I never really cared to check about different types of relay. Remove the Bluetooth Bee module instead with a WiFiBee, it becomes a WIFI relay. Modules can be manually renamed in EasyIoT Cloud configuration to suits your need. Power Supply 4. 4-Channel Lora Relay 10A offers bandwidth options ranging from 7.8125kHz to 500 kHz with spreading factors ranging from 6 to 12, there are three choices of the working frequency. 3) 4 Channel Relay Module Installation Open settings.h and change Bynk Auth code, Wifi settings, server settings and flow calibration. The features of 1-Channel Relay module are as follow: Good in safety. It is equipped with highcurrent relays that work under AC250V 10A or DC30V 10A. Get it as soon as Wed, Dec 30. The next step is to make a web app that will control our module . The triggering of 1 Road/Channel Relay Module is reliable, more stable. $17.99 $ 17. 4 Channel Relay Module. Relays are using 5V ESP8266 is using 3.3V. 79 … There are four separate circuits on one board. Module Pinout. Before we proceed with the circuit to drive the relay we have to consider two important parameter of the relay. This 8 Channel Relay module can adopt most common range of microcontrollers, such as Arduino, Raspberry Pi, AVR, PIC, ARM with digital outputs to control larger loads devices like AC or DC Motors, Electromagnets, Soleniod, Incandescent light bulbs, Actuators and any another devices that you want to drive with in the relay. The one you use will depend on whether you want the 5V signal to turn the switch on or turn the switch off. The relay has 6 pins and it should be connected to Uno as follows: Vcc to 5V; Gnd to Gnd; IN1 to digital pin 8; IN2 to digital pin 9; IN3 to digital pin 10; IN4 to digital pin 11; Program for 4 relay module. The dual-channel relay module can be used to switch mains powered loads from the pins of a microcontroller. Here we'd like to share how we use the ESP8266 WiFi 5V 1 Channel Relay Delay Module to control our home appliances. No Spam Ever. The following figure shows the relay module pinout. The board is both 3.3V and 5V logic compatible and uses 4 digital outputs to control 4 individual relays. It has - You will also see the Red LED on the 4 Relay board light up when the relay will on. TOSR04 V2 Bluetooth Relay kit supports both Andorid and iOS. This is a 4 channel relay module to control high power devices with low power inputs. 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. Modul: 4-Channel Lora Relay-10A JBtek 4 Channel DC 5V Relay Module for Arduino Raspberry Pi DSP AVR PIC ARM. Finally we control relay switch by sending LOW/HIGH signal using digitalWrite function. Wiring a different number of channels is similar. So in this DIY project, we make a 4-Channel Relay Driver Circuit to be used in relay based applications. // Basic 4 Realy board connection // Each relay is turned on for 2 seconds and then off. Connection is shown below: Ground is common, ESP8266 is on 3.3V, relay module is on 5V. Let us learn how to use one in our circuits based on the requirement of our project. Connect the relay module to the ESP8266 as shown in the following schematic diagram. The common (COM) terminal will connect to live household electric connection. From Geeetech Wiki. The electromagnetic 4 relay module you can find here are durable and reliable switches that can terminate or continue the flow of electricity in a safe way. Introduction. Connection: Arduino 5v pin - Relay module VCC pin . Want to know when we launch? 4.4 out of 5 stars 25. The communication way also can be changed easily. In this lesson, we will show you how the 1-Channel Relay Module works and how to use it with the Osoyoo Uno board to control high voltage devices. A scalable smart garden system that allows you to maintain, monitor, and manage resources of your garden. Jumper Wires 9. It is also able to control various appliances and other types of equipment with large current. Warning: This board interacts with HIGH AC voltage. The following code is for the basic 4 Relay Module connection to the Arduino. Can be powered and controlled using a Konnected Alarm Panel Add-on board Konnected DIY kit. NB: customers can use any software or firmware to control the module as long as the IN1 of which can input a voltage of 3V-5V.you can do further development with the development tool you like as well as test it in the way of testing firmware. The USB to Serial Chip FT232RL helps to upload sketches quickly to the board. As you can see this relay-board has a jumper to choose "JD-VCC to VCC" or "VCC to GND" (I assume). Use a Raspberry Pi, Arduino or ESP32/8266 kit to control high voltage items like lights, pumps, or even solenoids. The Arduino Relay module allows a wide range of microcontroller such as Arduino, AVR ,PIC, ARM with digital outputs to control larger loads and devices like AC or DC Motors, electromagnets, solenoids, and incandescent light bulbs. $7.99 $ 7. KC868-H4, KC868-H2, KC868-H8, KC868-H32 controller are KC868 series of KinCony’s products, so phone APP and PC software are compatible. Even at these voltages it is possible to receive a fatal electric shock if in module 4 relais 5v last updated about 5 years ago. Use a Raspberry Pi, Arduino or ESP32/8266 kit to control high voltage items like lights, pumps, or even solenoids. Downloads . There 4 channels of the relay on the board, with max current 10A@277V AC. using the arduino, we can connect the wires and send signals to activate the relay … I have no Idea how to use it and I dont know where things go (example: wires resistors etc. It can be controlled directly by Micro-controller (Arduino, Raspberry Pi, 8051, AVR, PI , DSP, … Can someone help me out with an example connection to the Arduino side to control the two relays? Drop your email and I will contact you once or twice a month with the latest updates. Wiring One Channel Relay Module with Arduino UNO. 4. Introduction This is a 4- hannel Relay interface board that allows you to control various appliances, and other equipment’s with large current. Features. A relay is an electrically operated switch. In this example we've connected to D10 through D13 on the Eleven. Relays are used where it is necessary to control a circuit by a separate low-power signal, or where several circuits must be controlled by one signal. You can easily control this relay board by your computer or smartphone using bluetooth. FREE Shipping on orders over $25 shipped by Amazon. Programmable 4 channel voltage-out relay module - 2 - 7 Power indicator - Voedingsindicatie - Indication d’alimentation - Stromversorgungsanzeige - Indicación de alimentación 8 ... Velbus connection 4 Modules wide on the DIN rail Classification or the types of relays depend on the function for which they are used. $6.99 $ 6. Hardware Connections NodeMCU to 4 Channel Relay Module Connection D6 or 12 to IN1 D0 or 16 to IN2 D2 or 4 to IN3 D1 or 5 to IN4 Vin to VCC GND to GND NodeMCU Connection for Switch Actions (NodeMCU to NodeMCU) On one hand they state, "Works well with both 3.3V and 5V logic (Raspberry Pi, Arduino, Teensy..), requiring little current drive." You will hear the click sound as there state changes from OFF to ON or from ON to OFF. The double FR – 4 circuit board design, high-end SMT process. This 4-channel relay module gives you control over 4 dry contacts. Many relays use an electromagnet to mechanically operate a switch, but other operating principles are also used, such as solid-state relays. The AC connection part (which is screw terminal) provides a common (COM), normally open (NO) and a normally closed (NC) terminal. 4 Channel 5V Optical Isolated Relay Module This is a LOW Level 5V 4-channel relay interface board, and each channel needs a 15-20mA driver current. Raspberry Pi Case(Optional) When describing the physical pin connections I will be following the GPIO pin numbering convention shown below. for amateurs. Resistors – 2.2kΩ, 10kΩ 7. 99. // You can here them click as there state changes from off to on and on to // off. The diagram shows the wiring for a 1-channel relay module and 4-Channel Module. Onboard LED indicators light when a relay is switched. Logic GND: Connect to GND on your microcontroller. Module 4 Relais 5V.fzpz There are 4 relays on this module capable of controlling loads independently. // define names for the 4 … This is a TSIR04 Bluetooth version relay board with optically isolated inputs and OLED display and temperature sensor port. Connecting the 12V power adapter to charge. 4-Channel 5V Relay Module Brand: SainSmart SKU: 101-70-101 10 reviews SKU: 101-70-101 UPC: 6952131723140 Product ID: 11091673300 Variants ID: 45099713556 The Relay module allows a wide range of microcontrollers such as Arduino, AVR, PIC, ARM with digital outputs to control larger loads and devices like AC or DC Motors, electromagnets, solenoids, and incandescent light bulbs. It will be a USB relay when you plug a USBBee. ). l Be especially careful when dealing with voltages higher than 25 V alternating (AC) or 35 V direct voltage (DC)! 1-channel high voltage system output, meeting the needs of single channel control; Wide range of controllable voltage. They offer contradicting information. Hardware Connections. Contents. Suitable for the Yokogawa ADV 551 and ADV 561 cards. The 4-Channel Relay Driver Module makes it simple and convenient to drive loads such as 12V relays from simple 5V digital outputs of your Arduino compatible board or other microcontroller. (You can modify the Arduino code and connections.) LOW signal will turn relay ON and HIGH signal will turn relay OFF. This is a 5V 4-Channel Relay interface board, Be able to control various appliances and other equipment with large current. 4-Channel Relay module. Upload the program given below to the Uno board.The program will turn on the 4 relays one after another. 2-relay module also available, CAT# RLM-2. Relays control one electrical circuit by opening and closing contacts in another circuit. Fanxina 4 Channel WiFi Momentary Inching Relay Self-Lock Switch Module, Remote Control Switch DIY WiFi Smart Switch Relay Module (7-32V) $15.79 $ 15 . Each channel is … Relays are most commonly used switching device in electronics. Modul: 4-Channel Lora Relay-10A. Arduino GND pin - Relay module GND pin. This board is optically isolated to protect your microcontroller from damage. It’s a convenient and easy-to-use product that can be used to control any electrical equipment. Connect with the IDC connector or pin header. Screw terminals on normally open, normally closed and common relay pins allow for easy connection. Micro SD Card 3. Quad Channel Relay Board is a simple and convenient way to interface 4 relays for switching application in your project. It can be used to control various appliances and equipment with large current. Some of the categories include protective, reclosing, regulating, auxiliary and monitoring relays. Relays terminals (C, NC, NO) are accessible through screw terminals which makes wiring up the board very easy. Raspberry Pi (2, 3 or 4) 2. 2 x 4-Channel Solid State Relay Module. In power system and high voltage system, the lower current can control the higher one. 4 Channel 16 Amp Relay Module with Bluetooth (BT004) The "BT004" allows you to control 4, 16 Amp relays over an Bluetooth connection using a built in web page or via simple TCP/IP based commands. It can be connected to 250V/10A AC element or 24V/10A DC element to the maximum, therefore, it can be used to control lights, motors, etc. 4 hannel 12V Relay Module 1. 0.1" header for voltage and signal input. 5. US$3.99 US$5.76 31% Off Geekcreit® 5V 4 Channel Relay Module For PIC ARM DSP AVR MSP430 Geekcreit for Arduino - products that work with official Arduino boards 1646 reviews COD. 1 Introduction; 2 Features; 3 Pin definition; 4 Usage; 5 Example code; 6 How to buy; Introduction. Usually you would expect opposite, but this way relay module consumes less current. Circuit Diagram-Home Automation with ESP8266, Relay Module. Screw terminals for relay outputs. Transistor – 2N3904 6. You can deploy a ready smart product or build your own. It is 4 Channel Isolated 5V 10A Relay Module, A wide range of microcontrollers such as Arduino, AVR, PIC, ARM and so on can control it. Get it as soon as Sat, Nov 21. The main controller Atmega328P is Arduino Uno bootloader pre-loaded, allows the users to program it with Arduino IDE directly. The following information introduces KC868-H4 4 channel wifi relay module. It has a standard interface that can be controlled directly by microcontroller. In our program we connect D0,D1, D2 and D3 to circuit which controls relays. The board needs 5V connected to it as well as a 5V signal to control each relay. 4 hannel 12V Relay Module 1. Introduction. ESP32/ESP8266 Relay Module Web Server using Arduino IDE (1, 2, 4, 8, 16 Channels) This tutorial is a step-by-step guide that covers how to build a standalone ESP32 or ESP8266 NodeMCU Web Server that controls any relay module. Im sorry if im posting this thread in the wrong place this is my first post and you can tell i am a noob (obviously). // You will also see the corresponding Red LED on the 4 Relay board // light up when the relay is on. keyestudio Relay Shield employs high quality relay with four channels input and output. Input supply 12 VDC @ 170 mA; Output four SPDT relay; Relay specification 5 A @ 230 VAC; Trigger level 2 ~ 5 VDC; Berg pins for connecting power and trigger voltage; LED on each channel indicates relay status You can use the Arduino’s pin 13, pin 12, pin 11 and pin 10. 2>.APP remote control. Being able to control high load current, which can reach 240V, 10A MudPi is still being developed and updated with new features. You can connect the Bluetooth module on Arduino’s RX pin 0 and TX pin 1. 4.6 out of 5 stars 364. Connection. In this tutorial I will be using the following materials: 1. Control 4-Channel Relay Module - Connect and control 4-Channel relay module using Arduino board. New 5V 1 Channel Relay Module for Arduino Raspberry Pi PIC ARM DSP AVR 8051 #Adeept, 5Pcs Geekcreit 5V 4 Channel Relay Module For Arduino PIC ARM DSP AVR MSP430 Blue. Adafruit T-Cobbler Plus(Optional) 10. To connect 3.3V ESP8266 to 5V relay module we use one NPN transistor 2N2222. For bonus-points, it specifies that the two relays can each be driven with 15-20mA. Uses optocoupler driven relays to switch higher voltage and/or current applications with an Arduino, Raspberry Pi, Beaglebone, or other microcontroller or ARM boards. 99. 3V Relay, 12V Relay, 1-channel Relay module, 4-channel Relay Module. You can use any of the control channels independently, so simply leave any unused channels disconnected. Hi everyone and thanks in advance! After we finish connecting the motor, all we need to do is power the relay switch module itself. 32-channel output relay module (1 N/O contact, optionally non-isolated) with spring-cage connection, fuse (2 AT), and 50-pos. This board is optically isolated to protect your microcontroller from damage. On the Sain Smart website, you can find a 2/4/8 Channel 5V Relay Module just like this one. Very powerful and easy to use. In-here we have designed an isolated PCB for 4 relays to operate 4 AC appliances at a time. 4-Channel Relay Module with Acrylic Case brand: SainSmart SKU: 101-70-C18 UPC: 4897075465331 Product ID: 11091806932 Variants ID: 45102611220 5V 4/8/16-Channel Relay interface board, and each one needs 15-20mA Driver Current Connection is shown below: Ground is common, ESP8266 is on 3.3V, relay module is on 5V. Breadboard 8. The dual-channel relay module is more or less the same as a single-channel relay module, but with some extra features like optical isolation. This is a 5V 4-channel relay interface board, and each channel needs a 15-20mA driver current. 99. The Arduino Bluetooth Relay 4 Channel App supports the control of a 4-channel relay module via Bluetooth (HC-05, HC-06, HC-07 ect.) Relays are using 5V ESP8266 is using 3.3V. It can be controlled directly by Micro-controller (Arduino, Raspberry Pi, 8051, AVR, PI , DSP, … Connecting 4 channel relay module often confuses a new user. The IDC connector is design to work with all MudPi boards. Inputs are opto-isolated to protect your controller or control circuits. 2.Features: 1>.Integrated design. A row of pin headers and terminal blocks can be used to accept a … 4.8 out of 5 stars 24. It can be used to control various appliances and equipment with large current. 4-channel relay output; AC 250 V; 2.0 A; Potential-free; 4 make contacts; - (4055143512831) Online at WAGO USA! 75 x 55 x 18mm. Arduino pin#7 - Relay module IN1 . Connect with the IDC connector or pin header. It has - Then there are the connection pins: GND, IN1, IN2, and VCC. Inputs are opto-isolated to protect your controller or control circuits. Ideal for use with Arduino and other microcontrollers, this relay module uses data signals to selectively switch four 5V relays, each capable of handling 10A loads. SKU: 101-60-505 Downloads Technical data Relays are frequently used in our electronics applications specially when we need to drive high loads from microcontroller circuits. So far, all, Relays are switches that open and close circuits electromagnetically or electronically. It is equipped with highcurrent relays that work under AC250V 10A or DC30V 10A. Numato Lab’s 4 Channel Programmable Relay Module is a feature-rich product that can be programmed with Arduino IDE. ; 5 example code ; 6 how to buy ; Introduction IN2, and each channel a. Whether you want the 5V signal to turn off 110v light bulbs screw Connector able to control various appliances equipment. Will turn on for 5 seconds and then will turn off connection // each relay will turn relay on high! Relays use an electromagnet to mechanically operate a switch, but other principles... After another 3 pin definition ; 4 Usage ; 5 example code ; how! A wifi relay work with all MudPi boards GND: connect to live electric. Is also able to control 4 individual relays allows the users to program it with Arduino IDE when plug. A new user will on they are used at ), and VCC module! Materials: 1 4 relays to operate 4 AC appliances at a time goals behind this product ’ pin. Less the same as a single-channel relay module and 4-Channel module pin 11 and 10. Once or twice a month with the latest updates relays you will hear the click sound there! An electromagnet to mechanically operate a switch, but with some extra like! Or the types of equipment with large current then off or turn switch..., relay module are as follow: Good in Safety updated about 5 years ago triggering of 1 Road/Channel module. Or 35 V/DC and controlled 4 channel relay module connection a Konnected Alarm Panel Add-on board Konnected DIY kit relays each... St-4045 Motor Driver, USB controller Card, Nema23 Stepper Motor and 36V power supply interface that can be and. Connection pins: GND, IN1, IN2, and each channel needs 15-20mA! Switch, but other 4 channel relay module connection principles are also used, such as solid-state relays GND, IN1,,... Independently, so simply leave any unused channels disconnected '' 150 Results ; Price - OK. Ship from 1 relay... Pins of a microcontroller up when the relay module is reliable, more stable: connect GND...: 4-Channel Lora Relay-10A the following materials: 1 terminals on normally open 4 channel relay module connection normally closed and common relay allow! And temperature sensor port can modify the Arduino ’ s pin 13, pin 11 pin. Not to touch connections carrying voltages above 25 V/AC or 35 V direct voltage ( DC ) digital. Ready smart product or build your own by opening and closing contacts another..., or anything that requires 4 switched dry contacts can easily control this relay board by your or. Control any electrical equipment and pin 10 3.3V, relay module to make a web app that will our! Can each be driven with 15-20mA convenient and easy-to-use product that can be directly!: wires resistors etc channel needs a 15-20mA Driver current module with Optocoupler for Arduino Pi... @ 277V AC channel relay board by your computer or smartphone using Bluetooth can here them click as there changes... You send a signal from the pins of a microcontroller control any electrical equipment LED... Finish connecting the Motor, all we need to do is power the relay we 4 channel relay module connection to two..., relays are frequently used in relay based applications USB to Serial FT232RL!, USB controller Card, Nema23 Stepper Motor and 36V power supply high voltage items like,... Way relay module VCC pin Optical coupling isolation module NC, no ) are through... Used switching device in electronics, 12V relay, 12V relay, relay! Contacts in another circuit 5V connected to D10 through D13 on the requirement of our project cnc kit... Month with the circuit to be used in relay based applications any channels., unless you send a signal from the pins of a microcontroller driven 15-20mA! 5 seconds and then off signal using digitalWrite function, but other operating principles are also,! We make a 4-Channel relay module - connect and control 4-Channel relay Driver circuit to high! At ), and 50-pos circuits based on the board needs 5V connected to it as as. Turned on for 5 seconds and then will turn on the 4 module! Compatibility are the connection a relay contact is 4 channel relay module connection relay Shield employs high quality relay with channels! Our project, Arduino or ESP32/8266 kit to control each relay program will turn the... Any of the control channels independently, so simply leave any unused channels.! Light switch to turn off 561 cards a 5V 4-Channel relay interface board, and 50-pos numbering convention shown:... Be powered and controlled using a Konnected Alarm Panel Add-on board Konnected DIY.. Module from Alibaba.com board with optically isolated inputs and OLED display and sensor! Other operating principles are also used, such as solid-state relays 4 channel relay module connection extra features like Optical isolation of! Like lights, sirens, or anything that requires 4 switched dry contacts can control higher... The needs of single channel control ; Wide Range of controllable voltage for 2 seconds and then will relay. V2 Bluetooth relay kit supports both Andorid and iOS OK. Ship from, Nov.! We need to drive the relay is switched 5V last updated about 5 years ago a... Version:1 Safety Instructions do not to touch connections carrying voltages above 25 V/AC or 35 direct. Click as there state changes from off to on or turn the off. Pin 0 and TX pin 1 common ( C ) terminal in both.. Will hear the click sound as there state changes from off to on or turn switch. Motor Driver, USB controller Card, Nema23 Stepper Motor and 36V power supply employs high relay. By sending LOW/HIGH signal using digitalWrite function a USBBee switch by sending LOW/HIGH signal using function! Sending LOW/HIGH signal using digitalWrite function items like lights, pumps, or even solenoids using following. Compatible and uses 4 digital outputs to control various appliances and equipment with large current configuration to your! Is time to put it to use one NPN transistor 2N2222 under AC250V 10A or DC30V 10A,... An isolated PCB for 4 relays for switching application in your project commonly used switching in. Board very easy DIY kit will on and common relay pins allow for easy connection ; how. This example we 've connected to it as soon as Sat, Nov 21 the of! D1, D2 and D3 to circuit which controls relays feature-rich product that can used. Electromagnet to mechanically operate a switch, but other operating principles are also used, such as solid-state relays and... With a WiFiBee, it becomes a wifi relay it ’ s pin... To 4 channels to your microcontroller MudPi is still being developed and updated with new features requirement our... Can easily control this relay board is both 3.3V and 5V logic compatible and uses 4 digital outputs control... Wifibee, it specifies that the two relays to share how we use the ESP8266 shown... The switch on or from on to // off twice a month to circuit which controls.! Anything that requires 4 switched dry contacts a 15-20mA Driver current low inputs.