Arduino Code Library

(In the Arduino IDE) Sketch > Include Library. Welcome to the Visual Studio Code extension for Arduino preview!The Arduino extension makes it easy to develop, build, deploy and debug your Arduino sketches in Visual Studio Code, with a rich set of functionalities. If you end up working on the library and modifying it, be sure to delete the. File Name Size Upload Date; 28140-RFID-Reader-Arduino-Example-Code. GRBL Arduino Library - Use the Arduino IDE to flash GRBL directly to your Arduino 2013/03/15 9:01 pm / 63 Comments / Bertus Kruger The official GRBL wiki now includes instructions to flash GRBL with the Arduino IDE. To control the LoRenz shield we built in Arduino Long Range Communication Tutorial – LoRenz shield, I developed LoRaLib – an open source Arduino library for SX1278 chip. Scripts awot-static. Before continuing, download and install the LedControl Arduino library as it is essential for using the MAX7219. Code file for the SFEMP3Shield library. Equipping VS Code with Arduino CLI. For each of these chips a specific library is implemented that knows how to communicate with the chip using the I2C bus and the wire library. o files as that will force the Arduino IDE to recompile the modified. Like its predecessor, TinyGPS, this library provides compact and easy-to-use methods for extracting position, date, time, altitude, speed, and course from consumer GPS devices. Download DMX Library for Arduino for free. The Diecimila, Duemilanove, and current Uno provide 14 digital I/O pins, six of which can produce pulse-width modulated signals, and six analog inputs, which can also be used as six digital I/O pins. * @brief Description: this file is sample code for MegaPi DC motor device. Each timer controls PWM pins. The new API is more consistent with Arduino function style. Installing an Arduino Library Guide - Basic information on how to install an Arduino library. Copy and paste SimpleTimer. Equipping VS Code with Arduino CLI. In this chapter, we will use the Arduino Tone Library. Arduino CLI is a single binary command line solution that provides builder, boards/library manager, uploader, discovery and many other tools needed to use any Arduino compatible board and platforms. The source code for the IDE is released under the GNU General Public License, version 2. Then in your main loop, use servoAngle to set the servo’s position. You could skip using libraries and code all the needed command to move a stepper motor for example, but depending on the hardware used to control the stepper you might have to write a lot of code to make the stepper move. After installing the library, restart the Arduino IDE. The results are given in the below video: I hope you have enjoyed How to write Arduino code and are gonna get help from it. (The pfodParser library V3. Ideally, I would be able to run any tests without having to upload the code to the Arduino. It will then appear in the Sketch | Import Library menu in the Arduino IDE. If you want to learn electronics and programming, you're in the right place. Having the library installed in your Arduino IDE. This is the Arduino Roomba library. o files as that will force the Arduino IDE to recompile the modified. We classify constants in groups. For an excellent introduction to Arduino libraries and what you can do with them, see the Libraries page from Arduino Tips, Tricks and Techniques. #define motorSteps 200 is what tells the Arduino how many steps to expect out of the stepper motor. G-Code is a light-weight, simple to parse format, designed to be able to run on modest hardware, such as the Arduino loaded with this firmware (in this case). Arduino Reference Overview Name Description advanced io Overview advanced I/O analog io Overview analog I/O arithmetic operators. Do not change this pin or your DCC decoder won’t work. 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. Installing an Arduino Library Guide - Basic information on how to install an Arduino library. Chipkit boards have limited support. Step 8: To use library you need to add it in your code using include command. Get inspired by a variety of tutorials, getting started guides, showcases and pro tips. For this parallel connect the Black wire (ground for battery) to the ground of all the components, and the red wire to Arduino, MPU, Bluetooth Module, and 5V pins. 0 of the Arduino IDE were the reference versions of Arduino, now evolved to newer releases. Dear friends welcome to another Arduino Tutorial! Today we are going to learn how to use this 20x4 character LCD display with Arduino. The Arduino official site provide a library for this purpose, and I will describe how I used this library and explain what each function does. There is a lot to cover so let's get started! Hello guys, I. /* * IRremote: IRrecvDemo - demonstrates receiving IR codes with IRrecv * An IR detector/demodulator must be connected to the input RECV_PIN. 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. TheArduino Temperature Control Labis a modular, portable, and inexpensive solution for hands-on process control learning. Joystick Library API. It works fine. Now you’ll want to set up the Arduino board. Arduino Code libraries Library Structure. With this code, once we press a key on the keypad, it should show up on the serial monitor of the arduino software once the code is compiled and uploaded to the arduino board. The OpenDCC Arduino Library has moved Over the years things have changed and with the rise in popularity of the Arduino platform, I decided it was time to merge the on-going development of the EmbeddedLocoNet Arduino library and the OpenDCC Arduino library into a new project called Model Railroading with Arduino. You should restart the Arduino thereafter because the available libraries are detected on startup. Using an Infrared Library on Arduino don't need to because we have libraries for that. This library is loaded in-order to simplify the coding required to use the stepper. This page has now been superseded. Arduino Lesson 13: Control an RGB LED with an Arduino. We also have a touch screen library that detects x,y and z (pressure) and example code to demonstrate all of it. LCDBitmap Arduino library that allows you to create a tiny 20x16 pixel bitmap (raster) display on a normally character-only Hitachi HD44780. Coding in the Arduino language will control your circuit. For a list of available libraries, type 'listArduinoLibraries'. This article assumes you are using an Arduino Uno board, though several other Arduino boards are supported. Sorry for those that need to change a bunch of their programs. Arduino Project Hub is our official tutorial platform powered by hackster. Libraries make life simplier for coders; imagine how hard it would be if there's no LiquidCrystal or Servo library ready for use. A catalogue of the 2476 Arduino Libraries. To make the analysis easier, rather than looking into individual header or source files, use one of free tools to automatically generate documentation. The servo is a 9g micro servo. I have not tested this library with all the. However, many remotes use other protocols. Reads a pulse (either HIGH or LOW) on a pin. Code for the Arduino Traffic Light. Arduino Code Library Quick Start Guide Step 1: Download and install Arduino code library. Install Adafruit_Si7021 library. TinyGPS is designed to provide most of the NMEA GPS functionality I imagine an Arduino user would want - position, date, time, altitude, speed and course - without the large size that seems to accompany similar bodies of code. 3V AND steps up 3. Thanks to Mark Sproul for his work on making the Arduino core portable across processors. Controlling LED matrix displays with the MAX7219. The Arduino upload monitor detects when you upload programs using the serial port on most Arduino boards. The following is one of the easiest methods. It does, however, have some limitations relative to the ATmega328P on an Arduino Uno. Simply paste your code between ``` If you don’t format your code, your topic can be deleted by moderators. I like playing with my Arduino Uno board and its graphical development environment. A good code library isolates you, the application programmer, from. For most, the name "Father Christmas" conjures images of toys and gadgets. This post is all about the Ultrasonic Sensor HC - SR04. The second step is getting the code onto your computer and into the libraries folder of the Arduino IDE. The problem is that the servo jerks around for 3 seconds rather than moving and holding still. It is in a directory called. This Library is a tool for working with AT commands and can be easily converted to work with other modules of the SIMCOM family. This small java program is just to identify from which port your Arduino is connected to the PC. Title: Arduino_Cheat_Sheet-final-01 Created Date: 6/22/2011 3:35:13 PM. In below code, we have defined X and Y axis of the Joystick module for analog pin A0 and A1 respectively. Install Adafruit_Si7021 library. Find anything that can be improved? Suggest corrections and new documentation via GitHub. On the bottom of the arduino IDE window, type a name descriptive enough, like measure for all your sensor measurement functions. Please clear and recreate the current arduino object to include the appropriate library. cpp) into it. The binary of 0xC0 is 11000000, the binary of 0x60 is 01100000. I have not tested this library with all the. Arduino G-Code Interpreter. The sketch below does a couple of things: It monitors the digital output from the module and makes the decision that it is raining if the digital output goes low. Now connect one end of the switch or button to the 10 th pin of the Arduino and the other end is connected to ground. This example has many similarities to the previous one when it comes to the display. (This is part 3 in a small series on using DCF77 for accurate time keeping with an Arduino. It only takes a minute to sign up. Version - 2. Add ZIP Library¶ Since you have downloaded the zip Library, open your Arduino IDE, click on Sketch > Include Library > Add. Now that you're armed with VS Code and the Arduino CLI, it's time to combine them into a single, Arduino-less Arduino IDE! We'll use the Arduino library example from the VS Code section to build up an interface with Arduino if you want to tag along. gamepad arduino-micro arduino-library Updated Oct 28, 2019. cpp's into fresh. The folder should contain a C or C++ file with your code and a header file with your function and variable declarations. o files as that will force the Arduino IDE to recompile the modified. Each set of screw terminals is used to connect a motor. Codebender includes a Arduino web editor so you can code, store and manage your Arduino sketches on the cloud, and even compile and flash them. The following is a table describing which pins on the Arduino should be connected to the pins on the ENC28J60 Ethernet Module: Note!!! 1. ☝️ Blynk library should be installed manually. If you install the library within MegunoLink, install our Arduino upload monitor at the same time. h) necessary for all Arduino code? Looking around on Google, I couldn't find a way to find the above files. Using the Code. Re-write some simple code outside the IDE and make. Then we'll switch over to example code and show you how to interface with the board using an Arduino and our SparkFun LSM303C 6 DOF IMU Breakout Arduino Library. Arduino Code - Using NewPing Library. Arduino projects, make arduino rpm counter with arduino. These simple projects will teach you the basics of Arduino Uno, electronics and programm. Click here to download the wire. Article Overview. 5Mhz ATtiny85 various transmission speeds 300baud 600baud 1200baud 2400baud. Importing a. Ensure you choose the correct port and board in tools and then upload the code into the Arduino board. Step 8: To use library you need to add it in your code using include command. This page will explain how to use the library, and is a good reference if you ever get stuck. We use the Arduino Uno, but any standard Arduino is appropriate for this project. Import a Code Library to the Arduino Software Environment. With this code, once we press a key on the keypad, it should show up on the serial monitor of the arduino software once the code is compiled and uploaded to the arduino board. The latest version of the library can be downloaded from GitHub. This library supports a number of 8bit, 16bit and serial graphic displays, and will work with both Arduino, chipKit boards and select TI LaunchPads. The SpeakJet constructor is where you specify. In the setup(), initialize your servo using servo. The default is pin D2. Sign up HTS221 Library for Arduino. If you’re not familiar with working with libraries, you can learn about it here. Welcome to the Visual Studio Code extension for Arduino preview!The Arduino extension makes it easy to develop, build, deploy and debug your Arduino sketches in Visual Studio Code, with a rich set of functionalities. The stopwatch project uses the LCD character display and two buttons to keep track of two different timers. Get inspired by a variety of tutorials, getting started guides, showcases and pro tips. Fuse bits, also known as fuses or configuration bits, are settings made in microcontrollers to control certain operations that are not normally changed during the execution of the program code. Import a Code Library to the Arduino Software Environment. The Sketchbook is simply a folder on your computer like any other. This is the Arduino Roomba library. Using an Arduino Uno to calibrate an RGB LED strip. This project introduces ATmega328P fuse bits and shows how to set them to use an external 16 MHz crystal oscillator. If you zip the folder where all the library files are, you can redistribute that file to other developers. Do not change this pin or your DCC decoder won’t work. Go to File > Examples > Radiohead > nrf24 And use these examples "nrf24_reliable_datagram_client" and "nrf24_reliable_datagram_server". Having the library installed in your Arduino IDE. Contribute projects and ideas, comment on the tutorials you are curious about, and ‘Respect’ the ones you like the most. If you look at the code you can set different addresses to each device. Before continuing, download and install the LedControl Arduino library as it is essential for using the MAX7219. From the IDE open up the library manager. The tutorial has been revised to replace elapsedMillis library with the millisDelay library The millisDelay library provides more functionality, is simpler to use and easier to understand for those new to Arduino. (The pfodParser library V3. RFID Reader Arduino Example Code. This page will explain how to use the library, and is a good reference if you ever get stuck. Explore interesting arduino based projects and tutorials based on different types of arduino baords like Arduino Uno, Arduino Pro Mini, etc. Adafruit RA8875: Adafruit's Arduino driver for the RA8875 TFT driver: Adafruit RGB LCD Shield Library: Library for the Adafruit RGB 16x2 LCD Shield. Installing an Arduino Library Guide - Basic information on how to install an Arduino library. You should now be able to use these libraries in your sketches by selecting Sketch > Import Library > QTRSensors from your Arduino IDE (or simply type #include at the top of your sketch). First plug the sensor on the breadboard the connect its pins to the Arduino using the jumpers in the following order: pin 1 to GND; pin 2 to any digital pin (pin 2 in our case); pin 3 to +5V or +3. Following are the macros defined in the header math. For example: Arduino UNO with Ethernet Shield • Smartphone OS (iOS or Android) + version • Blynk server or local server • Blynk Library version • Add your sketch code. The Arduino Nano is programmed using the Arduino IDE. The SD library allows for reading from and writing to SD cards; SPI. Ignore the 32K and SQW pins, you will not need them. Allow serial communication on other digital pins of the Arduino; Wire. Password Lock With Arduino: This instructable will show you how to make a pass-code lock system using the Arduino Mega board. 1) Arduino Uno (or other board, as long as it has an ICSP breakout. A catalogue of the 2476 Arduino Libraries. The Arduino Due is the first Arduino board based on a 32-bit ARM core microcontroller. If you don't end up using the manger, you'll need to move the SparkFun_BME280_Arduino_Library folder into a libraries folder within your Arduino sketchbook. Our Arduino software has been written in the Arduino IDE. The code is written for Arduino but can be easily ported to your favorite microcontroller! For 7 inch screen,the high current is needed. Contribute projects and ideas, comment on the tutorials you are curious about, and 'Respect' the ones you like the most. Welcome to the Visual Studio Code extension for Arduino preview!The Arduino extension makes it easy to develop, build, deploy and debug your Arduino sketches in Visual Studio Code, with a rich set of functionalities. Import a Code Library to the Arduino Software Environment. We make projects with: ESP32, ESP8266, Arduino, Raspberry Pi, Home Automation and Internet of Things. Navigate to the Releases page. This project uses the excellent Arduino MIDI Library v4. If you've changed the pins, you'll want to make a handy table so you can update the sketch properly. h header file will include all of the other Arduino header files, including the pinout file, which holds definitions for the Arduino pins. /* * This code is in the public domain. I want to code the ripple effect animation as seen in the first 7 seconds of this video. ST7735 - Adafruit's ST7735 library modified to be compatible with ESP8266. 0 от ITead studio и TFT01 Arduino Mega Shield от ElecFreaks. We can write the code from scratch, or we can stand on the shoulders. Using the DMXSerial library. We also have a touch screen library that detects x,y and z (pressure) and example code to demonstrate all of it. Title: Arduino_Cheat_Sheet-final-01 Created Date: 6/22/2011 3:35:13 PM. Embedded Coder ® lets you generate optimized code, use code replacement libraries, and perform software-in-the-loop and processor-in-the-loop verification. Equipping VS Code with Arduino CLI. This is a skill that anyone working beyond the basic code principles of the Arduino IDE will at some point have to learn. h Main Page of MarkDown Documentation. Full API Documentation. You can communicate with this model of serial LCD as here. Sequence 1: Cylon with Hue control The LEDs will move from one end of the strip to the other. In the first example for nRF24L01 arduino interfacing, we are going to simply send the data from one Arduino to other Arduino. h) necessary for all Arduino code? Looking around on Google, I couldn't find a way to find the above files. Arduino Code. I have not tested this library with all the. The purpose of this library is to make it easy for the everyday Arduino user working on projects with multiple Arduinos communicating with each other and sharing data. Controlling LED matrix displays with the MAX7219. Very strange. Using the Code. Arduino Keyes / Xinda IR Remote Control Tutorial Get the IRRemote. The add-on SDK provides a framework to create a custom MATLAB ® Arduino ® add-on library. The software for a DCC accessory decoder is remarkably simple. #define motorSteps 200 is what tells the Arduino how many steps to expect out of the stepper motor. Assuming that you have placed the library files in the libraries folder of your Arduino IDE, you can include the header file in. While the current ADS1231 library works well for 8-bit AVR-based MCUs, some people reported problems compiling the library for the Arduino Due and Arduino MKR1000 boards, see: Background information: The Arduino Du…. Random Nerd Tutorials helps makers, hobbyists and engineers build electronics projects. Here is the pinout diagram for the MAX7219:. Connect your Arduino and Arduino-compatible devices to a variety of web-based resources and services with Temboo’s IoT programming tools. Now you’ll want to set up the Arduino board. If you end up working on the library and modifying it, be sure to delete the. Arduino has an option to import external libraries; it will extract the archive and place the files in the right folder. Replace '#include "WProgram. Chipkit boards have limited support. To print the data from DS18B20 on the serial monitor of the IDE you have to build the circuit by following the schematic. To do this you need to have a folder named Gsm with all the downloaded. A simple Real Time Clock, which has an alarm feature is designed in this project using Arduino and RTC IC. But for this gentleman maker, the name brings misery. The Python server. While uses these libraries, analogWrite() to those pins will not work normally, but you can use the library pwm() function. * @brief Description: this file is sample code for humiture sensor device. The Arduino upload monitor detects when you upload programs using the serial port on most Arduino boards. cpp files of the GroundLabs GSM library in your Arduino environments libraries Directory. The main file is GenericCmd_GSM. Sequence 1: Cylon with Hue control The LEDs will move from one end of the strip to the other. MKR GPS Shield Library. Installing an Arduino Library Guide - Basic information on how to install an Arduino library. Help PID Tuning using Arduino PID Library. You can get it from. Pure Arduino implementation. The Arduino uses 7bit I2C addresses, and our own documentation uses 8bit addresses. For an excellent introduction to Arduino libraries and what you can do with them, see the Libraries page from Arduino Tips, Tricks and Techniques. Our Zumo Shield Arduino library makes it easy to get started writing Arduino sketches to control your Zumo. I'll explain how it works, show some features and share an Arduino Project example to help you with your projects. Doubts on how to use Github? Learn everything you need to know in this tutorial. We are interfacing 40Kg load cell to the arduino using HX711 Load cell amplifier module. Example 1 - nRF24L01 Arduino Interfacing. 2 days ago · I am having an issue creating an Arduino object with an custom add-on library. 56 thoughts on " Stator Library Makes Your Arduino Code Easier To Read " JWhitten says: May 9, 2019 at 7:26 pm States are great, but really, just naming your variables and constants something. Souliss, Smart Home - Framework for Smart Home based on Arduino, Android and openHAB. 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). 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. Arduino Lesson 14: If Statements and Conditionals in the Arduino. This third part shows how to set up a connection between an Arduino and the Internet via a WiFi network and use HTTP(S) to send data to a free cloud service like ThingSpeak. Documentation. Ignore the 32K and SQW pins, you will not need them. Extract the folder into the libraries folder for your Arduino. MKR GPS Shield Library. If this is the first library you have installed, you will need to create a directory there called 'libraries'. Several example sketches are provided for demonstrating the usage of the library as well as for real data logging use. You've arrived at the support page for ARRL's Arduino for Ham Radio by Glen Popiel, KW5GP. Get inspired by a variety of tutorials, getting started guides, showcases and pro tips. h, OneButton. Arduino Screen After Adding Library. Tips for writing text using these libraries. Step 8: To use library you need to add it in your code using include command. NewPing Works with many ultrasonic sensors, can communicate using only one pin, very low lag, fast (up to 30 pings per second), timer interrupt method for event-driven sketches, light code, and much more. Visual Studio Code extension for Arduino. I have the following code. For this parallel connect the Black wire (ground for battery) to the ground of all the components, and the red wire to Arduino, MPU, Bluetooth Module, and 5V pins. Each timer controls PWM pins. It should start off as a RED cylon effect. Sign up Arduino HTTP Client library. Mozzi brings your Arduino to life by allowing it to produce much more complex and interesting growls, sweeps and chorusing atmospherics. (Beauregard, PIDLibrary, 2013). Overview of the test The first Arudino repeatedly sends a bunch of IR codes to the second Arduino. Allow serial communication on other digital pins of the Arduino; Wire. What am I missing?? Code is here and starts at 1:20. This small instructable will be a part of short series of reference how-tos that will later point to a larger build on Instructables. h work fine. [4] The Arduino IDE supplies a software library from the Wiringproject, which provides many common input and output procedures. This document will explain how to install Arduino libraries for the Pololu QTR reflectance sensors, and it will provide sample sketches as well as links to library documentation. o files as that will force the Arduino IDE to recompile the modified. This Library is a tool for working with AT commands and can be easily converted to work with other modules of the SIMCOM family. Arduino IDE in the Cloud. If you have some assembly code and want to use it, there is an easier way than converting it to inline assembly; you can make it a library. Visual Studio Code extension for Arduino. To download, click on the link that says "Source code (zip)" under the latest release. An 8x8 LED matrix contains 64 LEDs which are arranged in the form of a matrix, hence the name LED matrix. Instantly share code, notes, and snippets. file SFEMP3Shield. Arduino Lesson 11: Creating a dimmable LED with Arduino. This class temporarily disables USB interrupts because the Arduino core code has USB interrupts enabled that sometimes write to the pin this button is on. File Summary + Labels Uploaded Size; arduino-tiny-0150-0020. Getting Started with the Arduino IDE. Heat output is adjusted by modulating current flow to each of two transistors. If you’re running a recent version of the. 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). Contribute projects and ideas, comment on the tutorials you are curious about, and ‘Respect’ the ones you like the most. Example 1 - nRF24L01 Arduino Interfacing. Compatible Hardware. VCC – 5v from Arduino Gnd – GND from Arduino STB – strobe pin, an output from your Arduino CLK – clock pin, an output from your Arduino. Arduino Library List. Find and follow the Libraries link. Overview of the test The first Arudino repeatedly sends a bunch of IR codes to the second Arduino. Thanks alot for sharing your knowledge. cpp file holds the function implementation. All code to use the modules is included on the CD. You could skip using libraries and code all the needed command to move a stepper motor for example, but depending on the hardware used to control the stepper you might have to write a lot of code to make the stepper move. Arduino code example. Read about 'Help with coding Arduino for Adafruit Neopixels' on element14. Arduino Sketches is a practical guide to programming the increasingly popular microcontroller that brings gadgets to life. Arduino and the Arduino IDE (version 1. In the first example for nRF24L01 arduino interfacing, we are going to simply send the data from one Arduino to other Arduino. The Arduino programming environment comes with a function library for controlling a stepper motor. This code is transmitted perhaps 12 or so times every bell push. I'm trying to replicate the code this guy used for a project at school. The OpenDCC Arduino Library has moved Over the years things have changed and with the rise in popularity of the Arduino platform, I decided it was time to merge the on-going development of the EmbeddedLocoNet Arduino library and the OpenDCC Arduino library into a new project called Model Railroading with Arduino. Introduction. Why make this library? This library allows any machine or robot to be controlled by G-code. Arduino Reference Overview Name Description advanced io Overview advanced I/O analog io Overview analog I/O arithmetic operators. Fritzing schematics. OLED I2c Display With Arduino: In this instructable I will show you how to connect and test a 0. The servo is a 9g micro servo. Arduino 7 Segment LED Display Tutorial (TM1637 4 Digit) Some of the sellers like Avishorp has library for Arduino to allow these displays to be connected to any digital pins. Generated on Fri Apr 27 2018 12:01:32 for Arduino Cryptography Library by 1. The SparkFun bi-directional logic level converter is a small device that safely steps down 5V signals to 3. h header file with the Keypad library here. Arduino Sketches is a practical guide to programming the increasingly popular microcontroller that brings gadgets to life. * @brief Description: this file is sample code for MegaPi DC motor device. The pinMode() is a function to configure the port as an input or an output. The source code for the IDE is released under the GNU General Public License, version 2. An Arduino library that adds one or more joysticks to the list of HID devices an Arduino Leonardo or Arduino Micro can support. Before we start to look at the library, let me start by saying that this is by no means the first Arduino DCF77 decoder. Arduino has an option to import external libraries; it will extract the archive and place the files in the right folder. Please add library of flex sensor and its code for arduino.