Arduino Code

Shop with confidence. Let's talk programming for the Arduino, but first, let's talk programming in general. Free Arduino Tutorials, Projects and Reviews An Arduino Tutorial blog. The program then makes use. Modify this code as //you see fit. 0 MeArm and Arduino Compatible DIY Robot Arm Kit With MeCon Motion Control Software and Arduino Source Code Via Download Link: Remote- & App-Controlled Figures & Robots - Amazon. The Arduino Reference text is licensed under a Creative Commons Attribution-Share Alike 3. If you want to use this for something more or less but don't know how to change this please me me with the subject "Arduino code for christmas HELP" i am glad to help with any project you wan't. Debug options are saved per board and project configuration. Here is a post for you in case you want to organize your code in a long project:. Open the Arduino IDE software on your computer. VoiceCode is a concise spoken language that controls your computer in real-time. One of these awesome extensions is the “Arduino for Visual Studio Code” extension. A project log for Arduino Brushless Actuator FOC Controller. By ladyada. using Arduino. pde, will continuously reads data from the magnetometer for each of the magnetometer's axes using I 2 C. Each project contains a parts list, connection diagram, code, pictures and step by step guides. Arduino Stepper Code – Time Lapse Posted on March 25, 2014 July 11, 2017 by Constantino I think we’re finally at a point where, with our foundation of stepper controling code, we can start writing something up that has some interesting functions. Distance sensor for Arduino - Full tutorial. Arduino Create simplifies building a project as a whole, without having to switch between different tools to manage all the aspects of whatever you're making. To use a coupon simply click the coupon code then enter the code during the store's checkout process. When you open the Arduino program, you are opening the IDE. Code breakdown. This worksheet will give you practice understanding the structure of an Arduino program, which is based on the "C" programming language. This is the smallest unit of data in computer with single value either 0 or 1. It’s a work-in-progress, and contributions are definitely welcome. It provides new blocks for managing sensors and actuators connected to Arduino. Arduino IDE is a coding software that makes the programming world more accessible to beginners with its simple interface and community-driven system. That's all about How to write Arduino code. There are also Max/MSP patches that can communicate with each Arduino sketch as well. Finally, once the user’s entry has been checked, it is removed from memory and the code is ready for the next test. arduino cookbook recipes to Girls' Disney Princess Ariel Seashell Bubbles Sweatshirt - Turquoise S, Green In case you are on the lookout for a decent and environment friendly Girls' Disney Princess Ariel Seashell Bubbles Sweatshirt - Turquoise S, Green with fairly priced price tag, you appear to your right put. 0V @20mA current, but. Sending the string "__RESET__" triggered the reset. Connect to and control Arduino inputs and outputs from MATLAB. I'm new to arduino and electronics. From The Github Readme File: Grbl is a no-compromise, high performance, low cost alternative to parallel-port-based motion control for CNC milling. At a minimum, you can check the "User external editor" setting in the Arduino Preferences and modify your code elsewhere while using the IDE to Build/Upload code. Arduino is an open-source platform that makes DIY electronics projects easier than ever. Just like we used that technique to turn an LED on and off, we can also send data. DS3231 Arduino Clock The DS3231 is a simple time-keeping chip. I'm referring to the code put up on the arduino website (ht. How do we do the coding for the slave Arduino to receive and run the code? Is it through Serial. Open-source electronic prototyping platform enabling users to create interactive electronic objects. 118 thoughts on " Arduino Hexapod Robot, IK Algorithm and Source code " Ricky Burton 30th May 2019 at 8:02 am. It's intended for anyone making interactive projects. The guide is featured on Hackster. The Arduino Pro Mini is SparkFun's minimal design approach to Arduino. Each project contains a parts list, connection diagram, code, pictures and step by step guides. cc/", "email": "[email protected] If you need help uploading the sketch to your Arduino, their site has lots of helpful information. Since we will create the whole code for the project, we don't want to initialize the board automatically. Arduino IDE in the Cloud. Guest User-. So peoples changed the code a bit to make it working on Arduino UNO or practically any Arduino. Remember that using the Servo library automatically disables PWM functionality on PWM pins 9 and 10 on the Arduino UNO and similar boards. Arduino is a rich Integrated Development Editor that comes packed with numerous features that allow users to write, compile, and upload their code. Any data received on one is written to the other and vice versa. One side sets the pin and the other reads it. Find great deals on eBay for mpu6050 arduino. Arduino consists of both a physical programmable circuit board (often referred to as a microcontroller) and a piece of software, or IDE (Integrated Development Environment) that runs on your computer, used to write and upload computer code to the physical board. JavaScript seem to be disabled in your browser. Now when you upload the code, you will get the similar results but now you must press the buttons and you will see different functionalities of LEDs. We’ve created a well explained, diagram based pin out representation of Arduino Nano. Arduino FT-857D CAT Library This Arduino library which I have created will allow you to control various functions of your radio via an Arduino micro-controller through the use of “Computer Aided Transceiver” (CAT) functions. The goal is to start from a very basic form of Arduino Serial communication, and progressively add or improve components so that we can ultimately transmit data from one computer to another using an XBee. In this article, the complete working of a rotary encoder is explained along with a simple project using Arduino board in which the rotary encoder is used to control the value on the display. 40 to +85°C for sensor temperature. arduino code library. In a nutshell is opens a serial connection to the computer, and a serial connection to the bluetooth mate. Get instant access to the Arduino Crash Course, a 12 lesson video training curriculum that teaches the details of Arduino programming and electronics and doesn't assume you have a PhD. This Arduino kit can easily be transformed into an automatic plant watering machine to keep your plants hydrated and healthy. A good code library isolates you, the application programmer, from. c is much harder. Explore interesting arduino based projects and tutorials based on different types of arduino baords like Arduino Uno, Arduino Pro Mini, etc. See more of Arduino Code on Facebook. This software is currently under active development: anything can change at any time, API and UI must be considered. 8x8x8 LED cube kit retrofitted with an. RXC6 433Mhz Superheterodyne Wireless Receiver PT2262 Code Steady for Arduino/AVR Diy Module Electronic Diy Kit Pcb Board 5. Find great deals on eBay for arduino uno sensor kit. Simulates Enigma I, M3, M4, the Plugboard and Uhr Switch. It's a little like Morse code, where you can use dits and dahs to send messages by telegram. usbmodem in it. I find that my LittleBIts Arduino first powers up as COM33 and this works. You can use it and improved it adding levels and everything you want to increase the diffuculty!. Before i go to next step i think i need to tell you some thing about DHT22. If you have a reliable Internet connection, you should use the online IDE (Arduino Web Editor). The first one is very simple where a predefined password is set inside the program. Sending the string "__RESET__" triggered the reset. Where the real action happens is in loop(). Testing the Sketch After you’ve uploaded the sketch to the Arduino, open the Serial Monitor. To tell the Arduino Stepper library which pins are connected to the motor controller, the following command is used:. Wide temperature detecting range. This article is another step forward in learning more about Arduino. Arduino: Upload: Build sketch and upload to Arduino board. Step by step instructions: 1- download all the zip file and decompress mantaining the directories. Arduino boards are small computers that can be used for building homemade IoT devices, and a wide variety of other electronic projects. These projects are explained thoroughly with the help of circuits diagrams, source codes and videos. Just like we used that technique to turn an LED on and off, we can also send data. To do this, you’ll need an Arduino Yún, a … Continue reading →. So using that, this application accepts the HTML code makes a temp HTML file and displays the code in a webbrowser control for easy printing. The Arduino language is based on C/C++. Code::Blocks is a better alternative. (Good(for(you. The files were as follow: All Subsystem Code - All variables are declared; Bumper - Returns true if a bumper is hit. Arduino Due mBed Support¶. The source code can be downloaded from the publisher's Web site; the URL is on page xv. Arduino Code. For this reason, one of the least used, yet very powerful features of the IDE is hidden in the Tools menu. This is a guide to using g-code command M206 to set the Z axis home offset in the Marlin Firmware, a guide to a method of adjusting the gap distance between the hot end nozzle and the build platform. While connecting the LED to Arduino add the 330-ohm resistor in between the ground of Arduino and the LED negative terminal. For more information or to download Processing, see processing. 3v Arduino that runs an 8 MHz bootloader on a super small, super thin board. Now when you upload the code, you will get the similar results but now you must press the buttons and you will see different functionalities of LEDs. The watchdog reset works. Arduino Morse Code Machine Project showcase by Vlada Krsmanovic. Just write bug free code. Edit: additional thoughts with a bigger display: power ups, different shot types (spread shot), secondary weapon using C button, moving up/down (for some reason) instead of just left/right, multiple pixel gun and enemy (bigger, more detail, multiple hits to kill an enemy as parts fall off). This extension adds the ability to program Arduino and Arduino-compatible devices using Visual Studio Code as an alternative to the Arduino IDE. The microcontroller code and the basic Hardware design is based from the BeRTOS APRS example. In this article, we will build a realtime Arduino ambient light monitor which sends its sensor readings to a web application. After copying the files, the Arduino library folder should have a new folder named DHT containing the dht. Hence, 10 th pin of the Arduino will continuously detect logic HIGH. Hi Oscar, I'm considering building a hexapod as part of my college course, ideally I'd like to build it with a 4th degree of freedom, but still working on the inverse kinematics as every way I look at drawing it I get two Scalene triangles and can't solve it just yet. IIRC I had to modify the bootloader. This is the smallest unit of data in computer with single value either 0 or 1. Here you will find PDF files for the sketches and libraries that you can print out and study, as well as the sketch and library files themselves for use with the Arduino projects in this book. This application note will look at what Pulse Width Modulation is and will also explain how to. Arduino A Quick-Start Guide by Maik Schmidt. Arduino code for a sonic screwdriver. Changing the Serial. Part of the job of the IDE is to take the human readable code and translate it into machine-readable code to be executed by the Arduino. IMPORTANT: This app performs with core functionality on Windows 10 S but some limited plugins do not work. The guide is featured on Hackster. Next, try an unknown load. They boil down to: Interpreting the data received from the Arduino is done in the Arduino class, which will make it harder to reuse the code it the future, and makes the code harder to quickly read and understand. Hardware My NEMA 17 stepper motors are controlled by an L293 motor shield riding on top of an Arduino UNO. Code samples in the guide are released into the public domain. 5; it does not work using 1. io, and covers using the Arduino IDE’s Library Manager to get the Chirp SDK (v3. Arduino pin 3 is used to turn the transistor on and off and is given the name 'motorPin' in the sketch. Just like we used that technique to turn an LED on and off, we can also send data. This is a guide to using g-code command M206 to set the Z axis home offset in the Marlin Firmware, a guide to a method of adjusting the gap distance between the hot end nozzle and the build platform. How to write Timers and Delays in Arduino Why your program might fail after 50 days. Morse code used to be a vital method of communication in the 19th and 20th centuries. Simple Arduino and HC-SR04 Example: After buying a HC-SR04 from Amazon, I could not get it to work out of the box. To get stable readings from the Key /Select pin, it needs to be connected to Vcc via a pull-up resistor. My first project is to animate multi-colored LED strips for an outdoor Christmas decoration. Follow the circuit diagram and make the connections as shown in the image given below. This article is about a simple digital code lock using arduino. (Arduino(is(an(easy(to(use,(cheap,(versatile(and(powerful(tool(thatcan(be(used(to(make(some. Clicking on the web page sends a code to the web server, which sends it over the serial port to the Arduino, which sends it to the IR LED, which controls your device. Arduino Code. Arduino Projects For Dummies. The code and circuits below describe the use of a photoresistor with an Arduino. Another alternative I like a lot uses the PCB of a TP-Link router as a shield bridging Ethernet to Wifi. This product works as a vehicle OBD-II data bridge for Arduino, providing OBD-II data access with Arduino library as well as power supply (converted and regulated from OBD-II port) for Arduino and its attached devices. The ultimate Arduino tutorial for beginners. Hence, 10 th pin of the Arduino will continuously detect logic HIGH. The Ardino code below contains some information concerning: Choice of the compatible board in the Arduino IDE. 0 MeArm and Arduino Compatible DIY Robot Arm Kit With MeCon Motion Control Software and Arduino Source Code Via Download Link: Remote- & App-Controlled Figures & Robots - Amazon. It’s better to have expansion/collapse buttons but the arduino ide is intended for beginners so the simplicity is understandable. Clock With Thermometer Using Arduino, I2c 16x2 Lcd, DS1307 RTC and DHT11 Sensor. This function invokes the Pulse Width Modulation capabilities of the Arduino board. The code can be used to generate tones similar to a police siren, ambulance siren, warning sirens, etc. -40to +115°C for object temperature. The Motor Board controls the motors, and the Control Board reads sensors and decides how to operate. Clear instructions, full-color images, simple circuit diagrams, and the complete code make it easy for even the newest makers to build fun projects right away. As we have learnt in earlier lessons, the setup function runs just once after the Arduino has reset. To tell the Arduino Stepper library which pins are connected to the motor controller, the following command is used:. Typical red LED forward voltage is 2. Coding in the Arduino language will control your circuit. arduino code library. metal dan urban. Isolated High Power DC Solid-State Relay Shield for Arduino Isolated high power Mosfet DC solid state relay shield allows you to control high current DC load in switching or PWM control mode. Introduction. As you learned in Module 01, IDE stands for Integrated Development Environment. But you have a lot to learn about Arduino because it encompasses the worlds of both hardware and software. The debugging section of Arduino code is great for reading the sensor's output on a computer, as well as diagnosing functions that are not operating properly. Shop by category. Arduino Sound Sensor. Adafruit Industries, Unique & fun DIY electronics and kits 2. The microcontroller code and the basic Hardware design is based from the BeRTOS APRS example. Another alternative I like a lot uses the PCB of a TP-Link router as a shield bridging Ethernet to Wifi. Next, add the 5V power source connection. We shouldn't forget to include the servo library. CodeBlocks Arduino IDE is a customized distribution of the open-source Code::Blocks IDE enhanced for Arduino development. The ACS712 Example Project Code. Arduino code for a sonic screwdriver. Installation on Arduino IDE. You are welcome. It's intended for anyone making interactive projects. You need 7 free ports, or 8 if You want use “dot”. Isolated High Power DC Solid-State Relay Shield for Arduino Isolated high power Mosfet DC solid state relay shield allows you to control high current DC load in switching or PWM control mode. A Worldwide Celebration of the Arduino Community. 0 MeArm and Arduino Compatible DIY Robot Arm Kit With MeCon Motion Control Software and Arduino Source Code Via Download Link: Remote- & App-Controlled Figures & Robots - Amazon. It can be extended to whatever you want. Arduino: Select Serial Port: Change the current serial port. ROBOTC Forums for Arduino - An online community of ROBOTC users. RubberDucky to Arduino Code Converter. c is much harder. arduino-cli is an all-in-one solution that provides builder, boards/library manager, uploader, discovery and many other tools needed to use any Arduino compatible board and platforms. The most popular AVR ATmega328P board is called Arduino, wich you can either buy one at their website or build your own (the one on the picture is built by me). At a minimum, you can check the "User external editor" setting in the Arduino Preferences and modify your code elsewhere while using the IDE to Build/Upload code. Code Library and Tutorials: Arduino functions for performing specific tasks and other programming tutorials. It does, however, have some limitations relative to the ATmega328P on an Arduino Uno. Stack Exchange network consists of 175 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. It consists of a circuit board, which can be programed (referred to as a microcontroller) and a ready-made software called Arduino IDE (Integrated Development Environment), which is used to write and upload the computer code to the physical board. It runs on Windows, Mac OS X, and Linux. There is a startup transient on the Uno that the Sabertooth sees as a very fast autobaud character. e from the sketch itself)? I know that is possible with a special circuit but is there a chance to make it just with code? Below is my code and the comment //reset is where I want to force a reset. I find that my LittleBIts Arduino first powers up as COM33 and this works. It does, however, have some limitations relative to the ATmega328P on an Arduino Uno. You are welcome. 0V @20mA current, but. 1 × Arduino Uno R3; 1 × ULTRASONIC Sensor (HC-SR04) Procedure. Explore interesting arduino based projects and tutorials based on different types of arduino baords like Arduino Uno, Arduino Pro Mini, etc. IMPORTANT: This app performs with core functionality on Windows 10 S but some limited plugins do not work. I'm new to arduino and electronics. Open-source Arduino Clock. The Motor Board controls the motors, and the Control Board reads sensors and decides how to operate. Arduino Projects Tutorial Code. Building a quadcopter running on Arduino Yún Zoe Romano — June 8th, 2015 Comelicottero is a quadcopter based on Arduino Yún created during the Master in Computer Science at the Universita’ degli Studi of Milan (Italy) by Simone Castellani, Giovanni Intorre and Andrea Toscano:. 0 IDE Modify the code to fit your system. , to reboot it) from code (i. Follow the circuit diagram and make the connections as shown in the image given below. Display datasheet comes very handy, when You need to found out which pin is which. In this article, we will build a realtime Arduino ambient light monitor which sends its sensor readings to a web application. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58. : 8 LED Fun :. Plus sign zooms in (shift and =) while – zooms out (just -, no shift). Get notifications on updates for this project. A simple Arduino driver for the NEC (Japanese) Infrared IR protocol. The library makes it possible to measure frequencies with a high resolution and accuracy. This code was written in the Arudino 1. Simple 8x8 Led Matrix Code (self. 200+ Arduino Projects: Whether you are just beginning or have extensive experience with Arduino, there is something here for everyone. Writing AVR assembler code with the Arduino IDE Although I have written a lot of code in high-level languages like C++ , I enjoy writing assember the most. Wiring is an electronic sketchbook and hardware electronics for developing ideas. I managed to build a code using other codes I've found on internet and I got to say it's w. Arduino IDE is a coding software that makes the programming world more accessible to beginners with its simple interface and community-driven system. This article is another step forward in learning more about Arduino. Arduino is a rich Integrated Development Editor that comes packed with numerous features that allow users to write, compile, and upload their code. My first project is to animate multi-colored LED strips for an outdoor Christmas decoration. The Arduino microcontroller is an easy to use yet powerful single board computer that has gained considerable traction in the hobby and professional market. As you might expect, there is an Arduino library to support stepper motors. print(gcodes) or are there any specific codes to translate the gcode to the stepper movement? From my understanding, GRBL occupies the serial monitor of the slave Arduino so there is no way to use the serial monitor. It builds on the previous tutorial where we used the millis() function to give us a timing interval. Introduction. a guest Jan 8th, 2015 145 Never Not a member of Pastebin yet? Sign Up, it unlocks many cool features! raw download clone. The latest ideas, techniques and tools for building with Arduino, a microcontroller and open source development environment popular for DIY electronics projects. This is great for quickly testing your solenoid, but doesn't have much real world application beyond that. Examples from Libraries. Connect the cathodes (short leg) to the Arduino's ground. Arduino Led Cube Code 8x8x8 Check out this another 8x8x8 RGB LED cube controlled by Arduino. The Arduino IDE supplies a software library from the Wiring project, which provides many common input and output procedures. This extension adds the ability to program Arduino and Arduino-compatible devices using Visual Studio Code as an alternative to the Arduino IDE. And remember, the official reference is always the best and most accurate resource. It’s based on the PCMAudio code by Michael Smith. A project log for Arduino Brushless Actuator FOC Controller. Building a quadcopter running on Arduino Yún Zoe Romano — June 8th, 2015 Comelicottero is a quadcopter based on Arduino Yún created during the Master in Computer Science at the Universita’ degli Studi of Milan (Italy) by Simone Castellani, Giovanni Intorre and Andrea Toscano:. Get notifications on updates for this project. Arduino with Fire Sensor, LED and Buzzer Hello everyone! Today I will show you how to use a fire sensor with arduino. Place them to print variables or see if code is getting executed. Each and every statement of the code is explained in the tutorial. Arduino Increment Operator. Guest User-. When you open the Arduino program, you are opening the IDE. These simple arduino projects are explained well and you can find the complete guide to DIY these projects with the help of circuit diagrams, source codes and videos. The short answer is no I'm sure that there is a way to get the code off of the Arduino, but it wouldn't be what you expect, it would be assembly code. Find great deals on eBay for voltage arduino. There are also Max/MSP patches that can communicate with each Arduino sketch as well. attach() function. IMPORTANT: This app performs with core functionality on Windows 10 S but some limited plugins do not work. After that copy the following code in the Arduino IDE and upload the code. This code will output data to the Arduino serial monitor. One of the easiest ways to implement this is by using an Arduino. I run the receiver from 5V as 3. It is for 16 channels but can easily be changed to 8 and lower if needed. Verify that when the button is pressed, the LED turns on and when the button is released, the LED turns off. The product and its library are compatible with all Arduino series including all 8-bit. Coding, testing is the main part. println ("-----"); } The code above that creates the function is called the function definition. This pin will be the INPUT pin for Arduino. To set the Z axis home offset on the 3d printer, you will use g-code commands including M206 for the home offset, M500 and M501 for the Marlin. hsas richmond wi. Selecting the library for your VFD module. It's different from other coops you may have seen because it's controlled by an Arduino Nano micro-controller computer. ERM2002DNS-1 is black 20x2 character lcd display,high contrast,HD44780 or equivalent controller. Type Arduino into the Search extensions box. They consist of a key pad that transmits and IR signal and an IR receiver that connects to your Arduino. Finally, once the user’s entry has been checked, it is removed from memory and the code is ready for the next test. xbee_arduino_code Here follows an attempt at explaining my setup for the wind-up birds , which consisted of a coordinator and 6 nodes. Guest User-. The Starter Kit is a great way to get started with Arduino, coding and electronics! The Starter Kit includes the components you need to make 15 fun projects following the step-by-step tutorials on the Project Book. ly/1k8msFr Check out my Maker101 Wh. After that copy the following code in the Arduino IDE and upload the code. Arduino can help you build robots or electronic devices. The Micro is based on the ATmega32U4 microcontroller featuring a built-in USB which makes the Micro recognisable as a mouse or keyboard. I have found code that can blink an LED on Arduino according to Heart Beat. Arduino is an open-source platform used for building electronics projects. It runs on Windows, Mac OS X, and Linux. If it goes beyond those limit for example towards the negative side of the x-axis, that part on the negative side will not be plotted. In this case, all it has to do is define the three pins we are using as being outputs. This code was written in the Arudino 1. It includes Python code that'll let you get the car up and running. How do we do the coding for the slave Arduino to receive and run the code? Is it through Serial. This software is currently under active development: anything can change at any time, API and UI must be considered. Arduino Due mBed Support¶. Arduino is an open-source electronics platform based on easy-to-use hardware and software. The code simply declares the servo object and then initializes the servo by using the servo. Connect the anode (long leg) of each LED to digital pins eight, nine, and ten (via a 220-ohm resistor). This is a simple tool that allows you to use syntax highlighting on forum. 78 Off on Arduino Mkr Can Shield. For inserting assembler code into Arduino sketches, you can read a gcc inline assembly guide. a logic level and some data types. To tell the Arduino Stepper library which pins are connected to the motor controller, the following command is used:. The problem is, i've hooked up the sensor to an oscilloscope for readings and the calculations from your code doesn't match with my read values on oscilloscope, still…it's a paradox as the serial values on arduino are correct (backed up by. The following code represents the minimum in order for a program to compile: The “ void setup () " section is widely used to initialize variables, pin modes, set the serial baud rate and related. Include the LCD library Initialize the display by creating a LiquidCrystal object Send characters in a two-step process. eBay Logo: Shop by category. Arduino Builder 0. This code simply activates a solenoid while a button is being pressed, and deactivates it once the button is released. The serial library and binary data - getting chatty with Arduino and crunching numbers Lesson 5 Buttons & switches, digital inputs, pull-up and pull-down resistors, if/if-else statements, debouncing and your first contract product design. We will post later how to make those kind of cufflinks pair at lesser than $1. Skip to main content. Arduino Create Agent is a plug-in that was designed to help Arduino users connect their devices to the Arduino Create platform. Code::Blocks is a better alternative. In most cases, the programming code will also work for variations of these microcontroller development boards, such as the BASIC Stamp Board of. I am trying to send data from an Arduino into Python via USB every 100 ms. This is a direct pin bit-bang approach, so beware about interrupts and timing difference between hardware. Arduino projects, make arduino rpm counter with arduino. Most of Environments use at least a bit of API or connection of Arduino software IDE to deploy the code to boards themselves. The Arduino board is a small-form microcontroller circuit board. So peoples changed the code a bit to make it working on Arduino UNO or practically any Arduino. Code For ESP8266 to Arduino Communication: The goal of this code is simple: to receive AT commands from the Arduino’s serial window to send them to the ESP8266, and to print the ESP8266’s response to the command or to other actions (such as receiving an HTTP request). I just have a question, I have gone trough some example codes for arduino nano board but my doubt was not clear, I wanted to build a code where leds are connected to port b for all the 8 pins and I wanna blinking them alternatively similarly how we blink in 8051 just by sending hex value to port 0x55 and 0xaa. : Hello! It's been a while I've didn't posted anything on Instructables, but now I made a simple project that I've seen on internet in various forms. The Arduino Software (IDE) allows you to write programs and upload them to your board. When the sketch starts, it prompts you, to remind you that to control the speed of the motor you need to enter a value between 0 and 255 in the Serial Monitor.