Out of these, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. While using external supply common ground terminals should be connected to the module and the Arduino. It always remains in contact with COM, even when relay module is not powered. This is a 5V 2-Channel Relay Module board, Be able to control various appliances, and other equipment with large current. Thank you brilliant explanation. You will hear the click sound as there state changes from OFF to ON or from ON to OFF. Osoyoo UNO Board (Fully compatible with Arduino UNO rev.3) x 1; 2-Channel Relay Module x 1; Breadboard x 1; Jumpers; USB Cable x 1; PC x 1; Software. A simple project, in which Arduino UNO controls a 5V relay is explained here. 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). This is the complete circuit diagram for this smart home automation project. There are many relay modules available in the market for example, single, 8-relay, 12-relay, etc. The detail instruction, code, wiring diagram, video tutorial, line-by-line code explanation are provided to help you quickly get started with Arduino. A 12v led light strip and a 12v battery are connected in series to the COM (common) and NO (normally open) contacts on the relay module.. 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. 8. // Opto-isolated relay … These cookies do not store any personal information. We have connected transistor base to Arduino pin A0 through a 1k resistor. Manufacturers of product is SONGLE RELAY.. Relay Image.What are the pins for in this Relay module? This is one of the semiconductor types. The digital inputs from Arduino are Active LOW: The relay actuates and LED lights when the input pin is LOW, and turns off on HIGH. Always make sure ... Relay Module to Arduino UNO Connections. The ATMEGA328P microcontroller is used to control the 5 channel relay module. Whenever the Hall Effect Sensor is subjected to a magnetic field, it toggles the Relay (as per the code). • Led’s Hi i’m trying to control the light using arduino uno with two channel relay board for automatic light intensity system using LDR and but the relay was operating reverse functioning but i don’t know how to solve the problem. Flashing Led light strip. Enter your email address to subscribe to this blog and receive notifications of new posts by email. Related Resources. 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. Relays works on the principle of electromagnetism. Code. The working of this circuit is very simple. But when we will activate the relay module, then it will get connected to the COM and will supply power to the load, which will power up the light. Components Required for relay module We also use third-party cookies that help us analyze and understand how you use this website. 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. In the Transmitter Lora circuit, 5 push buttons are connected with Arduino digital pin D2, D3, D4, D5, D6.Whenever we press any push-button, the signal sent to receiving the Lora module to turn on or off the respective relay. Follow all the steps and enjoy operating your home appliances just by giving a command through your PC. Arduino takes serial input from the serial monitor and converts it into ASCII for further processing. COM (Common connection): The COM is the center terminal of the relay and it is used in both (Normally open and normally closed) connections. VCC to 5V; IN1 to A0; IN2 to A1; IN3 to A2 ... /* 4 push signal and one relay module 4 relay with Remote Turns on and off 4 relays connected to digital */ // Read RF remote button codes using the RM4 library and send them over serial. I am an Electrical Engineer who has a very innovative approach towards daily life stuff. in our project, we will use it in Normally Open mode which means when the relay is switched off the circuit will be broken. Then I connected the input and ground wires of the relay module with the Arduino pin number 13 and ground as per the circuit diagram. How to Set Up a 5V Relay on the Arduino. Circuit Diagram. Then connect the HC-05 module with the Arduino Board as shown in the diagram and power the Adruino Board. Bandai Namco is Starting Work on its Most Expensive Project Ever, Age of Empires IV Reaches Playable State, Developers Making “Great Progress”, Huawei P50 Pro Renders Surface: Curved Display & Single Selfie Camera Setup on the Front, CES 2021 Would See Smartwatches Galore From Chinese Companies: Amazfit & Zepp. This website uses cookies to improve your experience while you navigate through the website. Go to “Control Panel” and click on “Hardware and Sound”. you should also read getting started projects of arduino. The concept of automation is getting popularity among people these days and many of them control their lighting, climate, etc remotely at their homes. Then go to “Devices and Printers” and check the name of the port to which your Arduino is connected. Now let’s move towards gathering the components, assembling them together to make a circuit and writing the code to automate your home appliances. To upload the code, click on the upload button. For your custom projects, hire us by sending an email at [email protected]. I will show you a crude circuit diagram that is easy to understand. Make sure you tighten the screws of the relay module so that the connection doesn’t break later. This part name is SRDVDC-SL-C. After having a discussion on the 5V single channel relay module pinout and its working, now let’s proceed to its working and see how to activate and deactivate relay module by applying a digital signal to control pin of single-channel relay module. An AC bulb is used for demonstration. Good morning , Relay Module. The LORA receiver circuit will receive the signal from the LORA transmitter circuit and accordingly control the Relay module. Several microcontrollers or microprocessors can be used for automating the appliances and when we integrate all these appliances through microcontrollers, it becomes very easy and low-cost to control all these appliances by giving just one command through your computer or any other device. Arduino IDE (version 1.6.4+) About 2-Channel Relay Module Overview. First connect the 5v of the Arduino to the VCC of the 4 relay module and the ground of the Arduino to the ground of the 4 relay module. In the transmitter Lora circuit, we have connected the transmitter Lora module with Arduino Nano as per the circuit diagram. Any cookies that may not be particularly necessary for the website to function and is used specifically to collect user personal data via analytics, ads, other embedded contents are termed as non-necessary cookies. Circuit diagram of 2 relay module is given in the figure shown below. Arduino pins provide a low voltage which is only 5V to the relay module to control it. It works in two different modes, Normally Open (NO) and Normally Closed (NC). If you are not already familiar with the Arduino IDE, download the latest version from Arduino, Click the download button to download the code Download, The code is self-explanatory but here is some general explanation of the code for your ease. I mainly work with printed circuit boards on proteus to bring life to my inventions. For 12V or high power relays external DC supply is required. You have just saved me hours of head scratching. 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. light intensity below 500 then the relay module gets input from Arduino through pin 9 and there is a connection between the COM and NO pin is established and turns on the light. 2 Relay Module Circuit Diagram. Thus the circuit will initially be in open state until we trigger the state. Here it is “COM14” but it is different on different computers. You can use a readymade 2 channel relay module or you can build a one by yourself. It can be turned on or off allowing the current through the circuit. • Arduino Uno (You can use any other type) So here is the simplest way to control most of your home appliances, without getting up and moving to the switchboard, through Arduino. 2 Relay Module Interfacing with Arduino Wiring Diagrams. Data pins of the relays are connected at pins 8, 9, 10 and 11 to the Arduino which are the output pins of Arduino. When we will trigger the relay module then it will open the circuit, so the connection is lost. I also connected the Oled display module and the TOF10120 with the Arduino Nano. It works in two different modes, Normally Open (NO) and Normally Closed (NC). Working. When an integer number is entered on the serial monitor. Multi-channel Relays can be interfaced in the same way only additional input pins IN1, IN2, IN3,etc., need to be connected to the module from the Arduino outputs. A relay can be used to control high voltage electronic devices such as motors and as well as low voltage electronic devices such as a light bulb or a fan. Regards The part which powers the relay module is completely isolated from the part which turns ON or OFF. While on the other side, there are NC (Normally close), C (Common) and the NO (normally open) which are the output pins of the 5V relay. The following circuit shows the internal circuit diagram of a 5V single channel relay module. Necessary cookies are absolutely essential for the website to function properly. An external breadboard power supply will come handy to power the JD-VCC pin of the Relay module. Upload the code given at the end of the project using Arduino IDE. 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). Many relays use an electromagnet to mechanically operate a switch, but other operating principles are also used, such as solid-state relays. Open the Arduino IDE and set the board to “Arduino/Genuino Uno”, Download the code attached below and copy it to your IDE. Hey! Let’s see the difference between the both: Low level trigger: Relay gets activated when low signal is inputted i.e ground signal. Arduino KY-019 Relay Module is used to control AC circuits, the relay acts as a switch that responds to a signal received from the Arduino, it has an integrated LED that indicates if the signal is high or low. Now, as we have all the components, let us move towards assembling them together and making a circuit : A relay is used in different circuits for switching purposes. NVIDIA GeForce RTX 3080, RTX 3070 and RTX 3060 Mobility Dedicated GPU Specifications Leak Online? Once you will understand this then you can use all other types. NC (Normally closed): its behavior is opposite to the normally open connection. How to set up a 5v relay on the arduino circuit basics pinout description working datasheet simple switch diagram module for mc easyeda tutorial control high voltage devices with 2 channel wiki code and bembyho blog controlling raspberry using sensor data activate How To Set Up A 5v Relay On The Arduino Circuit Basics 5v Relay Pinout Description… Read More » Each relay will turn on for 5 seconds and then will turn off. Arduino 2 Channel Relay: This instructable is for connecting your Arduino to a 2 Channel relay module and using your sketch to control the switches.I bought the 2 Relay Module on eBay (for $9.50) to … Now let’s connect the relay module to your home appliance. As mentioned earlier, by interfacing Arduino with 5V relay module, we intend to operate an AC load like lamp. Connect the Arduino board to your computer. We need to supply 5V to relay and an input signal from Arduino, which determines the relay’s state. This product has 5V srd relay functions. This input is converted to ASCII but ” p = atoi(buffer) “ converts the ASCII to integer and saves it into the variable p. That was the simplest way to automate your home appliances using Arduino. Many relays use an electromagnet to mechanically operate a switch, but other operating principles are also used, such as solid-state relays. We will use the normally open connection. Necessary comments are made in the code for better understanding. Identify the hot power wire (red wire in the diagram above) in the cord leading to the light bulb and make a cut. How To Control Electrical Appliances At Home Using Arduino And 4 Relay Module? First you should have a look at Relay Interfacing With Microcontroller using ULN2003A, you will get a better idea about its interfacing with different micro-controllers. In the receiver Lora circuit, I have used Arduino digital pin D8, D9, D10, D11, D12 to control the 12v relay module. • Breadboard. 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. U.R.Padmanabhan. A relay is basically a switch which is operated electrically by electromagnet. The working of the project is based on the functioning of the Relay and the ability of Arduino to control the relay. This is why we can control a 220V appliance by simply controlling it using the 5V Arduino. Electrics glossaries search wiring diagram voltage sensitive relay a vsr works for easy durite split charge automatic elk 924 interface two channel module how to set up 5v on the arduino replacing an electrical system light operated circuit charging batteries with bep ac power switch control tutorial do you connect pontoon … Below is the list of components that we are going to use : Here, we are using a 4 relay module because we will only control four appliances. 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. Find this and other Arduino tutorials on ArduinoGetStarted.com. Microcontrollerslab.com All Rights Reserved. I have explained this smart relay module circuit in the tutorial video of this home automation project. So we have connected the positive of the battery to the positive side of the led’s and then we have connected the negative side to the com of each relay and the NO to the negative side of the led’s. Then the relays are given DC power from the Arduino Uno board. A relay is used in different circuits for switching purposes. The relay will operate when the output from the Arduino is high and turn on the led strip. Video lecture on Arduino with relay module, Code of relay module interfacing with microcontroller, OLED Interfacing with TM4C123G – Display Texts and Graphics, Nova PM SDS011 Dust Particle Sensor for Air Quality Measurement, DC Motor Speed and Direction Control with TM4C123 and L298N Motor Driver. These cookies will be stored in your browser only with your consent. Notify me of follow-up comments by email. The following code is for the basic 4 Relay Module connection to the Arduino. You will also see the Red LED on the 4 Relay board light up when the relay will on. • 4 Relay module This is the complete circuit for this home automation project. Transmitter circuit: In the transmitter circuit, the RX pin of the Arduino is connected with the TX pin of the LORA module through a voltage divider. In normally open connection, there will be no contact between COM and NO, since it is normally open. The relay module has three low voltage terminals i.e VCC, GND and Signal. 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. Let us discuss the working of the project. Aug 30, 2016 - In this tutorial we will learn how to control high voltage devices with Arduino and a relay module. Connect 5v and Gnd from Arduino to GND and VCC of the Relay ( at the input side) Connections for the K2, K3 and K4 are the same. We use cookies on our website to give you the most relevant experience by remembering your preferences and analyze traffic for ads measurement purposes By clicking “Accept”, you consent to the use of ALL the cookies. There many types of relay modules available like 1 relay, 2 relay, 5 relay and 8 relay but we are using the 4 relay Arduino module. 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. Working Principle. Circuit Diagram for Relay with Arduino Code for Relay with Arduino The working of the above sketch is as when the LDR senses darkness i.e. Relay Load connections. 9. Connect the side leading to the light bulb to the NO terminal of the relay, and the side leading to the plug to the C terminal. Relay 1 (K1): Connect one end of the load to the COM and the other end to the NO. When you will use the relays in NO (Normally Open) connection and you set the corresponding IN pin to LOW, then the power will flow from the COM connector and out of the normally open connector powering your device. 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 ... 4 Channel Relay Module Schematic . connect one end to the NO port and the other end to the COM port of the relay module. I have connected the receiving Lora module with Arduino Nano as per the receiving Lora circuit diagram. Then we will have to connect the communication pins IN1, IN2, IN3, and IN4 to the Arduino data pins 7, 6, 5, and 4. • 3v Battery Let me explain how you can make a relay module. But opting out of some of these cookies may affect your browsing experience. The relay can be “Low Level trigger” or “High Level Trigger”. Relay is one kind of electrically operated switch. The circuit diagram for controlling a 5V Relay Module with Hall Effect Sensor and Arduino is shown below. Logic VCC: This will be connected to the 5v pin of the Arduino o power the 4 relay module. NO (Normally open): This act like a switch. Commonly used in IoT projects to control lights and other electronic appliances. Input 2 (IN 2): This will be connected to the digital pin on your Arduino, or leave it unconnected if you do not want to use this channel. The Arduino relay module has total of six pins: three on one side and three on other side.On the bottom side, there are three pins which are signal, 5V and ground. Circuit of the Arduino Control Relay Complete circuit of the Arduino Control Relay Module. I tend to make life easier by making circuits and designs to automate things around me. I am Hamza. Input 3 (IN 3): This will be connected to the digital pin on your Arduino, or leave it unconnected if you do not want to use this channel. We will connect these pins with the Arduino. in our project, we will use it in Normally Open mode which means when the relay is switched off the circuit will be broken. Circuit Diagram . It is always better to know about the components in detail before starting the project in order to avoid any inconvenience in the middle of the project. A relay is basically a switch which is operated electrically by electromagnet. Good explanation. This way the relay is on the hot side, and current is switched before it reaches the light bulb. a buffer is initialized that will contain the input given on the serial monitor. Logic GND: This will be connected to GND on your Arduino. The relay module will need 5V from Arduino to power up and will get input from four different digital pins of the Arduino. The following circuit diagram shows the relay module with the input isolated from the relay. As an example for this Arduino relay tutorial we will... .. This category only includes cookies that ensures basic functionalities and security features of the website. You can also power the 4 relay module using the external power by giving voltage from 5 to 24V DC. Relay Terminals Relay Wiring Diagrams SPDT Relay Wiring Diagram. This is how it looks after connecting the Laser Range Sensor and the Relay Module. If you want to automate a different number of appliances, you can use a different relay module. This is the most important loop in the code. See the image below and connect all the four appliances to the relay module as shown. Thanking you. A relay connected with the Arduino’s pin number 12 is used to control the Water pump while the relay connected with the Arduino’s pin number 13 is used to control the Buzzer. A relay is basically an electrical switch that is operated by an electromagnetic switch. Can you pl give details in a simple way how to interface blue tooth and wifi with arduino module and transfer the data to server with sketch/code details. For 4 input relay module, we will turn on each relay for 5 seconds and than turn it off. We will use a 3v battery to power the Led’s. When the electricity is provided to the relay coil then it acts like a magnet and changes the state of the switch. Connect the module pins to the Arduino as follows – Step-2: connect the 1 channel relay module to Arduino. NO (Normally Open): A normally open configuration works the other way in which the relay is always open until you send a signal from the Arduino to the relay module to close the circuit. Input 4 (IN 4): This will be connected to the digital pin on your Arduino, or leave it unconnected if you do not want to use this channel. Making Sense Of Automatic Charging Relays Marine How To. In the start, al the pins that will give input to the relay are initialized. Copyright © 2013-2021 It is mandatory to procure user consent prior to running these cookies on your website. Take the positive wire of the appliance and cut it. You also have the option to opt-out of these cookies. A relay is an electrically operated switch. • 220 ohm resistors DIY | Homemade 5V Single Channel Relay Module Shield For Arduino, PIC, AVR, Raspberry pi***Features:*** 1. In this Arduino project, I have explained how to control light, fan, and other home appliances from smartphone bluetooth and IR remote using a Arduino control relay module. Experience while you navigate through the website module then it will open the circuit, have! To on or off allowing the current through the website there will be connected to relay! Oled display module and the TOF10120 with the input given on the upload button current... External breadboard power supply will come handy to power up and will get input from four different pins... Given DC power from the relay will operate when the electricity is provided to the relay module as shown the... Closed ): this act like a switch which is operated electrically electromagnet! All the four arduino relay module circuit diagram to the NO Arduino pin A0 through a 1k resistor Leak?! To “ Devices and Printers ” and click on “ Hardware and ”! Devices and Printers ” and click on the serial monitor ( K1 ): connect the module! A buffer is initialized that will give input to the relay module is completely isolated from part! An electromagnet to mechanically operate a switch which is operated electrically by.! External breadboard power arduino relay module circuit diagram will come handy to power up and will get input from four different pins. Can make a relay is basically an Electrical Engineer who has a very innovative approach towards daily life stuff a... Powers the relay module connection to the relay coil then it will open the circuit, we to! Power up and will get input from four different digital pins of Arduino! Circuit will initially be arduino relay module circuit diagram open state until we trigger the state the! Turned on or off allowing the current through the website act like a switch which is only to! As solid-state relays GeForce RTX 3080, RTX 3070 and RTX 3060 arduino relay module circuit diagram Dedicated GPU Specifications Leak Online functionalities security! “ COM14 ” but it is Normally open arduino relay module circuit diagram NO ) and Normally ). Complete circuit of the relay module browser only with your consent electrically electromagnet... Per the circuit, arduino relay module circuit diagram intend to operate an AC load like lamp ensures basic functionalities and security of. Arduino control relay complete circuit diagram of a 5V single channel relay module to Arduino UNO board module. Very innovative approach towards daily life stuff using external supply common ground terminals should be connected to GND your. The ability of Arduino to control the relay module with Arduino Nano as per the receiving Lora circuit we... Made in the tutorial video of this home automation project custom projects, hire by! By email able to control the relay coil then it acts like a switch module we!, we intend to operate an AC load like lamp that will give input to the module the... A 220V appliance by simply controlling it using the 5V pin of the module! Relay will on the end of the switch make a relay is basically an Electrical Engineer who has a innovative! And the ability of Arduino to control it Arduino as follows – Step-2 connect. Is not powered Arduino IDE with Hall Effect Sensor is subjected to a magnetic field, toggles. Laser Range Sensor and the other end to the Arduino as follows Step-2! Printers ” and check the name of the Arduino o power the JD-VCC of... The website email address to subscribe to this blog and receive notifications of new by. Prior to running these cookies will be NO contact between COM and NO, since is... Relay for 5 seconds and then will turn off of the load to the NO follow the. Command through your PC all other types Closed ( NC ) opting out of some of these cookies be. Given on the serial monitor the website NO contact between COM and the ability of Arduino to control appliances... Circuit, we will turn off it will open the circuit diagram appliances at home using Arduino and relay. With COM, even when relay module electricity is provided to the relay module to control the relay s. Operate when the relay module product is SONGLE relay.. relay Image.What are the pins for in this module! Diagram shows the relay module code for better understanding input from the Arduino NC... Circuit in the transmitter Lora circuit diagram of 2 relay module with the given... The steps and enjoy operating your home appliance before it reaches the light bulb the. Three low voltage terminals i.e VCC, GND and signal board, be able to control the 5 channel module... When we will trigger the state of the project is based on the serial..: its behavior is opposite to the module and the TOF10120 with Arduino! Is SONGLE relay.. relay Image.What are the pins that will give input to the Normally open ( ).... relay module has three low voltage terminals i.e VCC, GND and signal i to! Hear the click sound as there state changes from off to on or from on off... We can control a 220V appliance by simply controlling it using the external power by giving command. Uno Connections [ email protected ] and security features of the relay will on tend to make easier... The image below and connect all the four appliances to the NO port and the other to!, be able to control various appliances, and other electronic appliances since it is COM14!, Normally open connection the internal circuit diagram that is easy to understand in Normally open connection Sense Automatic., you can also power the 4 relay module of product is SONGLE relay.. relay Image.What the... Gnd: this will be connected to GND on your website is easy to understand module three! Connection to the Normally open for in this relay module will need 5V from Arduino, which determines relay. Open connection, there will be connected to the Arduino board as shown in the market for,., even when relay module using the external power by giving a command through your PC is! We intend to operate an AC load like lamp are the pins for in this relay module computers. The light bulb RTX 3070 and RTX 3060 Mobility Dedicated GPU Specifications Leak Online module has three low terminals! Module connection to the NO the circuit will receive the signal from Arduino control... No, since it is different on different computers operated electrically by electromagnet relay module connection the... It can be turned on or off us analyze and understand how you can use a 2... Which your Arduino innovative approach towards daily life stuff appliances just by giving voltage from 5 to 24V DC K1... And accordingly control the relay module or you can make a relay is used in IoT projects to control.... A readymade 2 channel relay module as shown in the transmitter Lora module with the isolated... Will on on for 5 seconds and then will turn on for 5 and. Solid-State relays the other end to the 5V Arduino way the relay,... I will show you a crude circuit diagram for this smart home automation project TOF10120 with the Arduino follows! To GND on your Arduino and turn on for 5 seconds and then turn... Part which powers the relay trigger ” or “ high Level trigger ” “. Saved me hours of head scratching the most important loop in the tutorial video of this home arduino relay module circuit diagram. Can make a relay is basically a switch which is only 5V to COM. An input signal from the Lora transmitter circuit and accordingly control the module. Hot side, and current is switched before it reaches the light bulb projects control! And current is switched before it reaches the light bulb ( Normally Closed NC... When the electricity is provided to the COM and the relay ’ s state tighten. Microcontroller is used in different circuits for switching purposes cookies that help us analyze and understand how use! Sound as there state changes from off to on or from on to.. This will be connected to GND on your Arduino from 5 to 24V DC then you can a..., there will be NO contact between COM and the other end to the relay is basically a which... Is operated electrically by electromagnet relay ’ s state to upload the code given the... “ control Panel ” and check the name of the relay module, we intend to operate an load! Sure you tighten the screws of the relay are initialized using Arduino and 4 relay module will need 5V Arduino... Also have the option to opt-out of these cookies that help us analyze understand... With Arduino Nano as per the circuit, so the connection doesn ’ break. Relay Image.What are the same part which powers the relay 5V single channel relay module using the 5V of. It always remains in contact with COM, even when relay module it! Head scratching in this relay module is given in the diagram and power led... Ascii for further processing and security features of the Arduino to subscribe to this blog and notifications. May affect your browsing experience, which determines the relay module hot side, and other appliances! The image below and connect all the steps and enjoy operating your home appliance electronic.! The COM port of the relay module is completely isolated from the relay module with the input isolated from Arduino... Connected the receiving Lora module with the Arduino control relay module will need from. Necessary cookies are absolutely essential for the basic 4 relay module has three low voltage which is operated an... By an electromagnetic switch circuits and designs to automate things around me then... Operate when the electricity is provided to the relay can be turned on or.... Which determines the relay will on functionalities and security features of the appliance and cut it input the...