4 channel relay board arduino software

Connect gnd pin of nodemcu to gndpin of 4 channel relay board. Qunqi 4pcs 5v 2 channel 5v relay module with optocoupler low level trigger expansion board for arduino uno r3 mega 2560 1280 dsp arm pic avr stm32 raspberry pi 4. In this 4channel relay driver circuit we have used an optocoupler whic his triggered by active low signal, to trigger the npn transistor which further drives the relay. Handson technology open source electronics platform.

The detail instruction, video tutorial, linebyline code explanation are provided to help you quickly get started with arduino. Usb 4 channel relay board hardware overview youtube. Sainsmart 4 channel 5v relay module 5v 4 channel relay interface board, and each one needs 1520ma driver current equiped with highcurrent relay, ac250v 10a. In this project, we use bluetooth module hc05, arduino device, 4 channel relay module, etc. Arduino relay tutorial control high voltage devices with arduino. This module should be powered with 5v, which is appropriate to use with an arduino. Here we have used 12v 10amp relay in this pcb board, but you can also use 5v relays. The vma400 is a 4channel relay interface board that can control various appliances and equipment with a high current.

Sure, a lolin or wemos board will do, but as we only need to control 4 channels, the simple esp826601 suffices. The code provided is for 2 to 16 channel relay module to control ac or dc load. Arduino digital pin to ini on relay board arduino 5v to vcc on relay board jumper vccjdvcc removed 12v external supply to jdvcc pin on relay board gnd external supply to gnd on relay board relays work when powering them directly. A popular relay board that is available at the chinese webstores is a 4 channel opto isolated relay module. The drawing below shows the typical connections to an arduino. This will supply power to the transistor drivers and relay coils. Driving a 4 channel relay board with esp826601 and mqtt.

An intro to relays basically, a relay is an electromagnetic switch. 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. Find over 30,000 products at your local micro center, including the 4 channel relay module. Very compact design that can fit in small area, mainly this. Connect and control 4channel relay module using arduino board. Icstation micro usb 5v 4channel relay module usb control relay module icse012a and other relay module on sale, arduino, robotics, raspberry pi zero, esp8266esp32, inverter, diy kits, development board, functional module, lcdoled display, wifi relay, o. As such, its very useful in controlling appliances and other mainspowered devices using microcontrollers. You will hear the click sound as there state changes from off to on or from on to off. In this lesson, we will show you how the 1channel relay module works and how to use it with the. Almost any sensor can be used to trigger the relay to turn on or off. Control 4channel proxr relay board with relay timer r4x.

A relay is commonly used to interface a lowcurrent circuit to a highercurrent circuit. As shown in the sketch below, the pin connected to the arduino output pin is driven low to energize relay and high to deenergize it. Getting started with the 4 channel relay breakout bc robotics. Learn arduino from a proven instructor who write his own codes and libraries. This post is intended for beginners to interface relay boards with arduino. Sainsmart 4channel 5v relay module 5v 4channel relay interface board, and each one needs 1520ma driver current equiped with highcurrent relay, ac250v 10a. This post shows how to use a relay module with an arduino board. Does it come with 4channel relay in library or you created. But as i continue to turn, although the leds on the module board indicate, the remaining three relays arent doing anything. To connect the 4 relay board to an arduino is very easy and allows you to turn on and off an wide range of devices, both ac and dc. Ks0251 keyestudio 4channel relay shield keyestudio wiki. Very compact design that can fit in small area, mainly this board is made for low voltage applications. You can connect the bluetooth module on arduinos rx pin 0 and tx pin 1.

In this project, we are going to build a home light controlling system using the bluetooth network. File preferences and under the settings tab, copy the sketchbook location path. It is fairly easy to turn that into a wifi controlled 4 channel relay with an esp8266. What software do you use to draw such nice schematics. Icstation micro usb 5v 4channel relay module usb control. In the example shown, a low output on d7 will cause the light bulb to turn on. The following code is for the basic 4 relay module connection to the arduino. Getting started with the 4 channel relay breakout bc. Page 3 overview 4 channel relay board 12vcompatible for arduino. There are other relay modules that are powered using 3. Iot project of controlling home light using bluetooth.

Arduino uno board arduino duemilanove arduino mega2560 arduino uno. 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. I must give credit to this designers very detailed model of a 2 channel board. Rboard is a unique arduino board which features 4 channels isolated relays, an xbee socket, and an atmega328. In this tutorial we connect up one of our 4 channel relay breakout boards to an. Copy the following code to your arduino ide and upload it to your arduino board. This relay module provides four relays that are rated for 7a at either 28vdc or 10a at 125vac. This is the arduino library for seeed multi channel relay. How to use 4 channel relay to control ac load with arduino code.

Relay board 12v 4 channels for raspberry pi, arduino. Plugin power for 4channel proxr relay board, and connect it to your computer through serial port, usb or ethernet interface. Iot project of controlling home light using bluetooth module, arduino device, and 4 channel relay module. The arduino 4 relays shield allows your arduino driving high power loads. Or when the resistance of a photoresistor drops below 400 ohms. Arduino compatible 4 channel 12v relay module jaycar. Rboard arduino atmega328 4 channels isolated relays board. This proxr industrial relay controller is capable of switching 4 onboard spdt relays, each with 5 or 10 amps of current, customized at the time of ordering. Usb 4 channel 10a relay output module board for home. Elegoo 4 channel dc 5v relay module with optocoupler for arduino uno r3.

How to download and install arduino ide and driver. Available in one, four and eight channel versions, these modules can switch up to 10a per channel. The max switching power could be 10a120vac or 10a24vdc. In this arduino relay tutorial, i will show you how to use a relay with microcontrollers. This board will add relay control as well as wireless connectivity to your projects. Quad channel relay board is a simple and convenient way to interface 4 relays for switching application in your project. Dc 12v 4channel usb relay board automation module for arduino. Standard interface that can be controlled directly by microcontroller arduino, 8051, avr, pic, dsp, arm, arm, msp430, ttl logic active low optoisolated inputs.

Each relay has a normally open no and a normally closed nc. Guide for relay module with arduino random nerd tutorials. Sainsmart 4channel 5v relay module for arduino raspberry. Sainsmart 4channel 5v usb relay board module controller for automation robotics specification 4 spdt relays srd5vdcslc relay specification. Arduino relay module tutorial microcontroller tutorials. Arduino bluetooth 4 channel relay app arduino project hub. How to use 4 channel relay to control ac load with arduino. You will also see the red led on the 4 relay board light up when the relay will on. You can use the arduinos pin, pin 12, pin 11 and pin 10. I have a 4 channel 12v relay board low triggered, which i wired as follows. There are other models with one, four and eight channels. The relay shield is capable of controlling 4 relays.

Shown below is the connection details to connect 4 channel relay board with arduino. Each relay will turn on for 5 seconds and then will turn off. Equiped equipped with highcurrent relay, ac250v 10a. Receives from software serial, sends to hardware serial.

The arduino bluetooth relay 4 channel app supports the control of a 4channel relay module via bluetooth hc05, hc06, hc07 ect. The details of the 4 channel relay board is given below. Upload the sketch 4 channel relay demo to the arduino uno or atmega2560 board. You will learn the meaning of lower trigger and high trigger. Sainsmart 4channel 5v usb relay module for automation. Standard interface that can be controlled directly by microcontroller arduino, 8051, avr, pic, dsp, arm, arm, msp430, ttl logic active low.