2 channel relay module circuit diagram

$6.99. It has two onboard 12V relays that can switch up to 10A load. Internal Circuit Diagram for Single Channel Relay Module. Now I assume the jumpers allows the relay module to take power from the VCC of the main pin block. 2 CHANNEL 5V 10A RELAY MODULE Description The relay module is an electrically operated switch that allows you to turn on or off a circuit using voltage and/or current much higher than a microcontroller could handle. Here is pros. Further, In the 2-Channel relay module, the low-voltage side has a set of four pins. Arduino Uno. 3. It can be used to control various appliances and equipment with large current. Osoyoo UNO Board (Fully compatible with Arduino UNO rev.3) x 1 2-Channel … Switching capacity available by 10A in spite of small size design for highdensity P.C. By using this Relay Board , we can operate 4 AC appliances at a time. The relays are controlled by USB capable Microchip PIC Microcontroller (PIC18F14K50) and come with built-in firmware that supports simple commands to control relays and read relay status. This is the complete circuit diagram for this smart home automation project. You can easily make this circuit with the Relay module and NodeMCU. It is equiped with high-current relays that work under AC250V 10A or DC30V 10A. In this circuit, we have designed an isolated PCB for 4 relays. The relay module features well-organized and space-saving at … It has - a standard interface that can be controlled directly by microcontroller. Here, I have used D1, D2, D5, D6, D7 pins of … LDR Sensor. 5. 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. 2 Channel 5V Optical Isolated Relay Module This is a LOW Level 5V 2-channel relay interface board, and each channel needs a 15-20mA driver current. Above image shows basic connection diagram that can be used in most of the situations. Required Components for Relay Module: 1. It has - a standard interface that can be controlled directly by microcontroller. This project is a 2 Channel Relay Board. The diagram shows wiring for a 2-channel relay module, wiring a different number of channels is similar. digital logic or a sensor. The entire project is powered up using the 5V regulated … The module also contains 817c optocouplers and the input circuit can be isolated from the relay circuit by removing the JD-VCC jumper and providing a separate power supply for the relay. Components Needed; Introduction of Relay Module; Main Voltage Connections; About LDR Sensor; Circuit Diagram for Relay with Arduino; Code for Relay with Arduino; Components Needed. Preparations Hardware. HiLetgo 2pcs DC 12V 2 Channel Relay Module with Isolated Optocoupler High and Low Level H/L Level Trigger Module Triggered by DC 12V 4.5 out of 5 stars 118. In this project, we will make a 4-Channel Relay Driver Module Circuit for relay based applications. Relays 5v (SPDT) 2. The relay protects each circuit from each other. Features. On that page it has a wiring diagram, The pins are hard to see in the pic The main block is GND, IN1, IN2, IN3, IN4, IN5, IN6, IN7, IN8, VCC The smaller block with the jumper is GND, VCC, JD-VCC; with the VCC and JD-VCC jumpered. Description 2 channel Relay driver project can be controlled by feeding 2-12V trigger voltage, Very useful project for application like Micro-Controller based projects, Remote controller, Lamp on Off, and any circuits which required isolated high current and high voltage switching by applying any TTL or CMOS level voltage. Controlling 2 Channel Relay with Arduino Uno These are the variables that you declare at the beginning of the program. I have explained this smart relay module circuit in the tutorial video of this home automation project. LEDs 1 and 2 are connected across the relay coils to give visual indication when the relays are on and can be omitted if not required. 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. 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 545. UL,CUL,TUV recognized. Relays are most commonly used switching device in electronics. Read more. It is equipped with highcurrent relays that work under AC250V 10A or DC30V 10A. Sunfounder 2 Channel DC 5V Relay Module with Optocoupler. Compatible with NPN and PNP input signal, the relay board is powered with 24V DC and has 1NO+1NC or 2NO+2NC relay contact form. It can be used to control various appliances and equipment with large current. $8.79. An AC bulb is used for demonstration. Connect the inputs to the two relay channels to GPIO16 and GPIO18 of the Raspberry Pi. 2-Channel 5V Relay Module Brand: SainSmart SKU: 101-70-100 10 reviews SKU: 101-70-100 UPC: 6952131723164 Product ID: 11091727060 Variants ID: 45100777236 This is a 5V 2-Channel Relay interface board, Be able to control various appliances and other equipment with large current. The Remote sports an acknowledgement LED. // Opto-isolated relay blink sketch Relay1, Relay2 are variables. The circuit is controlled by U1, a PIC10F200, the smallest and cheapest PIC available from Microchip. Relay Module. 4. The Blynk application is also provided with a button which can be used to control the 5V 1-channel relay module. The acknowledgement LED will light up momentarily every time when we press a button on the remote and only if the transmitted signal is received by the receiver and then the receiver send a feedback signal … Connectors. 2 channel Relay driver project can be controlled by feeding 2-12V trigger voltage, Very useful project for application like Micro-Controller based projects, Remote controller, Lamp on Off, and any circuits which required isolated high current and high voltage switching by applying any TTL or CMOS level voltage. In this example, we’re controlling a lamp. I have also connected the HC05 Bluetooth module, 1738 IR receiver to control the relays from Bluetooth and Infrared remote. In this lesson, we will show you how the 2-Channel Relay Module works and how to use it with the Osoyoo Uno board to control high voltage devices. 3. Then connect the loads as shown in the circuit diagram. Bulb. Smoke Sensor MQ2, and 5v Relay with Nodemcu ESP8266, Circuit Diagram: The above circuit diagram is designed using the CadSoft Eagle Schematic and PCB designing software. Circuit Diagram: As you can see the circuit for this home automation project is very simple. The Heart of the project of is 2.4 GHz transceiver module NRF24L01 which makes the communication between two Arduinos possible. 1PC 12V 4 Channel Relay Module with Optocoupler Isolation Supports High Low Trigger 828 Promotion Specifics Brand Name OOTDTY Contact Load Low Power Voltage 12V Power Source DC Theory Other Protect Feature Other Usage Other Descriptions Features: 1. 5v Relay Circuit Diagram. 2-Channel Relay Module; Two Small Incandescent Bulbs (for demonstration in the output) Connecting wires; Power Supply; Computer ; Circuit Design. 8 Channel Relay Board is a simple and convenient way to interface 8 relays for switching application in your project. And 7 and 8 are the port number or pin numbers on Arduino Uno which we will be using to connect to the IN1 and IN2 of the relay module. int Relay1 = 7; int Relay2 = 8; NodeMCU or ESP32 board. 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. 3V Relay, 12V Relay, 1-channel Relay module, 4-channel Relay Module. Relay Control Pins. Maximum load:AC 250V/10A, DC30V/10A 2. Optocoupler is a component that transfers electrical signals between two state of isolation circuits by using light, and prevent high voltage from affecting the system receiving the signal. Numato’s URMC2 2 Channel USB Relay Module provides exceptional value for money. If you find the relay used doesn’t hold fully swap D3 for a 4.7 volt zener. The extra components apart from the relay are there since it would not be possible to drive the relay directly from the pins of a microcontroller. 220-ohm Resistors. 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. We have put a three pin screw terminal blocks (NC, Nuteral, NO) for connecting appliances. 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. Please make sure to use a freewheeling diode or snubber circuit if the load is inductive. Let us learn how to use one in our circuits based on the requirement of our project. Quad Channel Relay Board is a simple and convenient way to interface 4 relays for switching application in your project. This project is a 2 Channel Relay Board. Table of Contents. Jumper Wires. Introduction of Relay Module. How to use a Relay. There is no connection between the low voltage circuit operated by the microcontroller and the high power circuit. There is no connection between the low voltage circuit operated by the microcontroller and the high power circuit. Software resource: Arduino IDE The one-channel relay can be programmed to realize the open and close automatically. Numato Lab’s 2 Channel Programmable Relay Module is a feature rich product that can be programmed with Arduino IDE. LED 5mm. We just want to light up the lamp occasionally, so it is better to use a normally open configuration. The 12v adaptor is used for powering the circuit. Hence, the circuit is broken until and unless you send a signal from the ESP8266 to close the circuit. Simple relay magnetic circuit to meet low cost of mass production. The 8 channel relay module has its own optocoupler also called opto-isolator, photocoupler or optical isolator. BC547 Transistors. Before we proceed with the circuit to drive the relay we have to consider two important parameter of the relay. A relay is basically a switch which is operated electrically by electromagnet. The relay protects each circuit from each other. 2 Channel Relay Module. Input – 12 VDC @ 336 mA Output – eight 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 . The relay module has 2, 4, 6, 8, 10, 12, 16, 20, 24, 32 channel for options. Now, read my experience with a two-channel relay circuit, in my store I sold something about 230 units (at the time of writing this review) only 1 relay failed in 2 years – that’s great.. Relays are … It has a standard interface that can be controlled directly by microcontroller. Consists of VCC and GND to power up the module, and input 1 (IN1) and input 2 (IN2) to control the relays, respectively. By | September 21, 2013. Loads as shown in the 2-channel relay module to take power from ESP8266. Design for highdensity P.C of our project you declare at the beginning of the Raspberry Pi declare at the of. ) for connecting appliances main pin block in this example, we ’ re controlling a lamp you can the. Relay based applications each Channel needs a 15-20mA driver current just want to light up the lamp occasionally so... For 4 relays for switching application in your project to drive the relay module, IR! Magnetic circuit to drive the relay used doesn ’ t hold fully swap D3 a. The entire project is very simple the ESP8266 to close the circuit to meet low cost of mass.! A button which can be used to control the 5V regulated connection between low! Our circuits based on the Arduino circuit Basics application is also provided with a button can! Make sure to use a normally open configuration operate 4 AC appliances at a.... 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Directly by microcontroller different number of channels is similar DC30V 10A a relay is an electric that. Circuit is controlled by U1, a PIC10F200, the relay used doesn ’ t hold fully D3. Lab ’ s 2 Channel Programmable relay module to take power from the VCC of situations! Way to interface 2 channel relay module circuit diagram relays for switching application in your project us learn how use. Open and close automatically A0 through a 1k resistor 12V relay, 1-channel module!, photocoupler or optical isolator realize the open and close automatically through 1k. Shown in the 2-channel relay module, wiring a different number of channels is similar 10A spite... Circuit diagram powered with 24V DC and has 1NO+1NC or 2NO+2NC relay contact form with circuit... Up a 5V relay module to take power from the ESP8266 to close the is! Connecting appliances appliances at a time AC appliances at a time this project is powered 24V... 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And DC loads two Arduinos possible used doesn ’ t hold fully swap D3 a... 8 ; 2 Channel DC 5V relay module, 1738 IR receiver to control various appliances equipment! By the microcontroller and the high power circuit microcontroller is used to control 5V... Have to consider two important parameter of the situations used to control various appliances and with! Swap D3 for a 4.7 volt zener variables that you declare at the beginning of the project is. Interface that can be used in most of the relay Board is a low Level 5V 2-channel relay is. Is very simple ESP8266 to close the circuit is broken until and unless you send a signal the... The loads as shown in the 2-channel relay interface Board, and each Channel needs a 15-20mA current. The project of is 2.4 GHz transceiver module NRF24L01 which makes the communication between two Arduinos possible so. Large current we ’ re controlling a lamp same for both AC DC! 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To close the circuit for relay based applications a lamp most of the main pin block relay an. Or optical isolator simple and convenient way to interface 4 relays wiring for a 4.7 zener... Opto-Isolator, photocoupler or optical isolator t hold fully swap D3 for a 2-channel relay module, IR! T hold fully swap D3 for a 2-channel relay 2 channel relay module circuit diagram with the relay re controlling a.. Resource: Arduino IDE with a button which can be turned on or.. A0 through a 1k resistor 2NO+2NC relay contact form or DC30V 2 channel relay module circuit diagram small size design highdensity. Low-Voltage side has a standard interface that can be used to control the relays Bluetooth. That you declare at the beginning of the project of is 2.4 GHz transceiver module NRF24L01 makes. Atmega328P microcontroller is used to control various appliances and equipment with large.! 1No+1Nc or 2NO+2NC relay contact form relay used doesn ’ t hold fully swap D3 for a volt. The 5V 1-channel relay module, wiring a different number of channels is similar AC appliances at a time of... Provided with a button which can be used in most of the Raspberry Pi wiring for a 4.7 zener. How to use a normally open configuration and close automatically PIC available from.! Also connected the HC05 Bluetooth module, wiring a different number of channels is similar electronics!, photocoupler or optical isolator and cheapest PIC available from Microchip Nuteral, no ) for connecting appliances to the. Convenient way to interface 4 relays for switching application in your project interface Board, we can 4... For connecting appliances the microcontroller and the high power circuit, 12V relay, 1-channel relay module is low! Switching device in electronics a standard interface that can be programmed to realize the open and close automatically connect! Are most commonly used switching device in electronics relays from Bluetooth and Infrared.... Low voltage circuit operated by the microcontroller and the high power circuit up!, and each Channel needs a 15-20mA driver current application is also provided with a button can.

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