Arduino programy

The open-source Arduino Software (IDE) makes it easy to write code and upload it to the board. It runs on Windows, Mac OS X, and Linux. The environment is written in Java and based on Processing and other open-source software. This software can be used with any Arduino board Permanent Redirect. Zde si vytvoříme složku Arduino a v ní složku libraries. Sem si budeme ukládat vytvořené programy a do složky libraries přidané knihovny. Ty nám zde zůstanou stále stejné, i když přejdeme na novější verzi Arduino IDE. Nyní už nás bude zajímat pouze soubor arduino.exe ve staženém balíku, který spustí vývojové.

Arduino - Softwar

Arduino programy Odpovědět | Upozornit redakci. Stěpán | 4. 12. 2017 18:37 | Zdravím,stavím si příposlech na rybářské pípáky,programy jsem nějak dal dohromady ale nevím si rady s druhým tlačítkem(tlacitko1 = 3),tlacitko = 2 funguje ale na přijímači blikají obě diody (piezo taky funguje) zkoušel jsem přidat řádek if. In this chapter, we will study in depth, the Arduino program structure and we will learn more new terminologies used in the Arduino world. The Arduino software is open-source. The source code for the Java environment is released under the GPL and the C/C++ microcontroller libraries are under the LGPL

Przeglądaj tysiące projektów Arduino, pobieraj gotowe programy i realizuj niesamowite roboty, czujniki, inteligentne domy, rozwijające zabawki, itp. Korzystaj z wiedzy i doświadczenia innych elektroników oraz dziel się swoimi własnymi projektami z całą społecznością majsterkowiczów. Stanowisko do gier samochodowych na bazie arduino Arduino Uno je programovatelný mikropočítač, který s příslušným programem dokáže obstarávat jednoduché úlohy, jako je blikání LED diodou nebo melodie hraná z piezo reproduktoru. Programy píšeme v jazyce Wiring, který navazuje na C. Užíváme k tomu vývojové prostředí Arduino IDE, pomocí kterého potom napsaný program nahrajeme do Arduina Arduino is a prototype platform (open-source) based on an easy-to-use hardware and software. 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 The Arduino sketch is used to program the module to work the RGB as security lock. Marble Labrynth Controlled Using the Wiifit : This game is designed based on Arduino. the marble labrynth is used to control the wiifit, which are interfaced with Arduino. the Arduino sketch control the motion of the labrynth by detecting the change in motion.

Arduino software is needed to program Arduino boards and must be downloaded from the Arduino website and installed on a computer. This software is known as the Arduino IDE (Integrated Development Environment). Drivers must be installed in order to be able to program an Arduino from the Arduino IDE The Arduino Web Editor allows you to write code and upload sketches to any official Arduino board from your web browser (Chrome, Firefox, Safari and Edge) after installing an agent Arduino Sketch Program Flow. In an Arduino sketch, program statements (individual lines of code) are executed or run from top to bottom. This top-to-bottom execution of statements can only be altered by flow control statements. Parts of a Sketch. The image below shows the parts of an Arduino sketch Zdravím,stavím si příposlech na rybářské pípáky,programy jsem nějak dal dohromady ale nevím si rady s druhým tlačítkem(tlacitko1 = 3),tlacitko = 2 funguje ale na přijímači blikají obě dio

Arduino - Hom

  1. g languages, using a standard API which is also known as the Arduino language. In addition to using traditional compiler toolchains, the Arduino project provides an integrated development environment (IDE) and a command line tool (arduino-cli) developed in Go
  2. = 5; int plavakmax = 6; int plavakpretecenie = 7; int relecerpadlo = 8; int releohrev = 9; int tlacidloZAP_VYPcerpadlo = 10; int.
  3. Arduino je otevřená platforma s grafickým vývojovým prostředím, které vychází z prostředí Wiring (podobný projekt jako Arduino, tedy deska s mikrokontrolerem a IDE) a Processing (prostředí pro výuku programování). Arduino bylo poprvé představeno v roce 2005
  4. I2C Scanner for Arduino I2C Scanner is a simple sketch that scans the I2C-Bus for devices. You can upload the code to your Arduino to find out the I2C address of the modules. Upload the below sketch and open the Serial Monitor to view results
  5. This Arduino software is completely FREE. Though it's free, you can donate any amount if you want to contribute and support the Arduino software foundation. If you are making a donation, click on CONTRIBUTE & DOWNLOAD. If you want to use it for FREE, click on JUST DOWNLOAD option. This will start downloading Arduino software on your system
  6. Arduino is an open-source platform composed of hardware and software that allows for the rapid development of interactive electronics projects. The emergence of Arduino drew the attention of professionals from many different industries, contributing to the start of the Maker Movement
  7. g language is based on a very simple hardware program

An Arduino is an open source hardware platform with built in programming support. No additional hardware or software (e.g. Hex burner) is required to transfer your programs (i.e. hex file) to the Arduin0. There are all the necessary peripherals attached for the basic operation. It is based on simple AVR microcontrollers CTC 101 is a modular STEAM program consisting of a toolbox with 26 projects and easy to assemble experiments, an online platform, and guided educators support. Creative Technologies in the Classroom 101, or CTC 101, is a 5 modules STEAM program, tailored for students ages 13 to 17. It is the flagship Arduino Educational Program for schools How to program Arduino. The basic Arduino code logic is an if-then structure and can be divided into 4 blocks: Setup - will usually be written in the setup section of the Arduino code, and performs things that need to be done only once, such as sensor calibration. Input - at the beginning of the loop, read the inputs Programming the ATtiny13 To program ATtiny13 we should set our Arduino as a programmer. This could happen by uploading ArduinoISP sketch to Arduino following this path (Files -> Examples -> ArduinoISP) in the IDE. Now our Arduino is ready to program ATtiny 13, but still we have to set up the ATtiny by installing its core files PROGRAMINO IDE for Arduino. Programino is an alternative and comfortable easy-to-use IDE for th e Arduino™ and compatible microcontroller plattforms. Use all Arduino™ compatible plattforms and boards such as (Portenta, Teensy©, Espressif ESP8266, ESP32, Controllino©, Seeed, Sparkfun, ARM boards, Adafruite boards, etc.

Programujeme Arduino - Bastlírna HWKITCHE

Díl 1 - Náš první program pro Arduino. 15.09.2013 15:16. První program pro Arduino. Asi každý programátor zná tu klasiu - první program se traduje už od nepaměti a je to vždy stejné - tzv. Ahoj světe!, tedy jakýsi první pokus napsat program s nějakým (dejme tomu smysluplným) výstupem Arduino is designed to be programmed in its own Arduino language, though this language is composed of functions pulled from C/C++. You can, however, use other languages to program an Arduino, usually by utilizing a third-party programming tool such as Snap4Arduino, ArduBlock, and others

A program written in the Arduino Programming Language is called sketch. A sketch is normally saved with the .ino extension (from Arduino). The main difference from normal C or C++ is that you wrap all your code into 2 main functions. You can have more than 2, of course, but any Arduino program must provide at least those 2 The Best Arduino CNC Software. by Caleb Favela. Published Oct 7, 2019. Advertisement. Are the popular Arduino boards powerful enough to command CNC machines? Join us as we take a look at the best Arduino CNC software available right now The official Arduino website is www.arduino.cc.On this website you'll find all the infomation about Arduino as well as the software.For these Arduino tutorials we'll be using the Arduino IDE.IDE is the abbreviation of Integrated Development Environment.The IDE is available for Windows, MacOS and Linux 200+ Arduino Projects: Whether you are just beginning or have extensive experience with Arduino, there is something here for everyone.In the Electronics Lab, you can prototype and design before you build a circuit in real life. The lab also allows you to program and simu The first step in programming an Arduino board with a Raspberry Pi is to install the Arduino IDE (integrated development environment) on your Raspberry Pi. This program checks code and loads it onto the Arduino. Install the latest version of Arduino IDE using apt: sudo apt-get update && sudo apt-get upgrade sudo apt-get install arduino.

Programming an Arduino Pro Mini can be difficult at first. But at last, it is very easy if you have the appropriate FTDI usb to serial adapter. In this video.. ARDUINO_PROGRAMY_Lekce_1-12.ZIP 0; Size 71 kB; Fast download for credit 1 second - 0,01.

Arduino Without External Clock Crystal on ATmega328

Arduino: jak pro něj začít programovat - Root

Program An Arduino In A Few Simple Steps. An Arduino is a popular open-source single-board microcontroller. Learn how to program one and let the possibilities take shape Learn: how LCD works, how to connect LCD to Arduino, how to program Arduino step by step. The detail instruction, code, wiring diagram, video tutorial, line-by-line code explanation are provided to help you quickly get started with Arduino. Find this and other Arduino tutorials on ArduinoGetStarted.com

Programy Arduino na Táborsk

How To Program Arduino? - Electronics Hu

It looks very similar to the Arduino Nano, but it contains a lot more features. In this article, I will show you how to set up the STM32 with Arduino IDE and show you how to directly program from the USB UART module January 2, 2021. If you want to achieve a regular time interval with the Arduino you can simply use the delay () function. This will pause the program of the Arduino for the appropriate amount of time. If the requirements are higher you can also use millis () or nanos () as timer. The delay () and millis () functions are probably sufficient for. There is a wonderful online simulation (completely free) called TinkerCAD. It has an excellent breadboard simulation, with parts like transistors, LEDs, ICs, and Arduino. You can program the Arduino and run it all in a live simulation that includes interactive inputs (pushbuttons, DIP switches, etc.)

To make it simple I implemented the classic blink program that toggles the output pin connected to the on-board LED. avr-gcc toolchain doesn't know the Arduino Uno board layout, it only knows the microcontroller that is mounted on it, which is the Atmega328p, so we need to read/write directly the hardware I/O registers of that particular chip, and look at its pinout to understand the pin. As an open-source company, Arduino aims to ensure that open-source continues to thrive and remains sustainable for the long term. The Arduino Donation Program is intended to fund projects and institutions that make a lasting difference in the worldwide open-source community.. Arduino's corporate giving efforts are focused on not-for-profit and charitable organizations supporting the free and. There are different Arduino processors. Some in the ACR line, others in the ARM line. Going to a different device in the same family is a relatively modest change and can provide up to 368 Bytes of program FLASH. But these are not Arduino boards exactly. The Arduino ARM based devices are very different and use different libraries Arduino Cloud IoT. Configure, program and connect your devices - all through the Arduino IoT Cloud service. Learn how to build a smart lamp by integrating the Arduino IoT Cloud and Alexa. Learn how to collect environmental data from the MKR ENV Shield and display it in the Arduino IoT Cloud. Learn how to control the relays onboard the MKR Relay. The ability to program an ESP8266 using the Arduino IDE hugely expands the user base for these Wi-Fi enabled chips. The ESP-01 and its larger cousins provide an extremely capable hardware platform at a low cost. Add the ease of use of the Arduino IDE, and designing applications for the internet of things is within the reach of almost anyone

Arduino Software (IDE) 1.8.15 Deutsch: Mit der kostenlosen Entwicklungsumgebung Arduino können Sie schnell und einfach Code für Ihren Arduino schreiben und ausprobieren edit Arduino Software Serial User Guide¶. The Arduino hardware has the built-in support for Serial communications on pins 0 and 1 (Hardware Serial) but in some circumstances such as when these pins are already in-use or you need more Serial ports for debugging, Software Serial may seem to be the solution.. Here will also use an example to demonstrate how to use Software Serial with you Arduino How to Program Raspberry Pi Pico in Arduino IDE for Linux We used Ubuntu for this tutorial, but the same instructions should work for other Debian based distributions such as Raspberry Pi OS. 1 Arduino - Online kurz. Hardware PC Arduino. Seriál tutoriálů popisuje programování mikrokontroleru Arduino a využití nejrůznějších displejů, tlačítek, klávesnic, čidel a dalšího příslušenství. 19 lekcí

Řešení potíží: Proč nemohu nahrát své programy na Arduino

Upload the ArduinoISP to the Arduino. Connect a 10 µF capacitor from reset to ground on the Arduino (If you are using Arduino Duemilanove use an 120 ohm resistor from reset to Vcc) Open the blink example sketch, change the LED pin number from 13 to 15 (which is pin 18 on the chip) Select Attiny2313 board from Tools->Board-> Attiny2313@1MHZ Ulož.to je československou jedničkou pro svobodné sdílení souborů. Nahrávejte, sdílejte a stahujte zdarma. Kredit umožní i stahování neomezenou rychlostí Arduino IDE is developed and maintained by the Arduino team. The IDE is licensed under GPL. ESP8266 core includes an xtensa gcc toolchain, which is also under GPL. Esptool.py was initially created by Fredrik Ahlberg (@themadinventor, @kongo), and is currently maintained by Angus Gratton (@projectgus) under GPL 2.0 license On Arduino IDE, click on Sketch > Include Library > Add .ZIP Library, browse to the zip file you downloaded and click Open. A message should appear at the bottom telling you that Library added to your libraries. Check Include library menu . Plugin in the Pro Micro with a micro usb data cable and let Windows install the device

2. Installing via a tarball. We can download the latest version of the Arduino IDE from the Arduino website as a tarball.A tarball is a type of compressed folder, like a .zip file, commonly used to distrubute software in Linux; its file extension is usually .tar.xz (or .tar.gz, if it uses Z compression.We'll get to this later) Here we will upload an LED binky program in ESP32 using Arduino IDE. Step 1: First of all, connect your ESP32 to your computer using a micro-USB cable, make sure that Red LED goes high after connecting it with the PC. Step 2: Now you have to select your board; so go to Tools-> Boards and select ESP32 Dev Module Arduino Documentation. Browse through hundreds of tutorials, datasheets, guides and other. technical documentation to get started with Arduino products

Enginursday: Visually Programming Arduino - News

Select chip. The first step is to configure the Arduino software for the correct chip. Almost all Arduinos use the ATmega168, but there's a chance you have an ATmega8. Look for the chip on the Arduino that looks like this: If the text says ATMEGA8-16P then you have an atmega8 chip. If the text says ATMEGA168-20P then you have an atmega168 chip If Arduino takes 1 minute or longer to verify simple programs, that is a sure sign anti-virus software is slowing you down. Configuring Windows Defender so that it does not check intermediate Arduino build folders & products (to keep it from slowing down the build)

Step 4: Program ESP8266 using Arduino. Make the circuit as per the above-given diagram. Power up the Arduino UNO board and wait till the Arduino Board boots up successful. (It will take around 5 seconds) Connect the Arduino Reset pin to Ground. The reset pin is grounded to bypass the Arduino. It will disable the Arduino Board and upload code. Arduino Help Center. Hardware All you need to know about our hardware offering: boards, shields and carriers. Software and Downloads Explore everything related to the software released by Arduino and its dedicated libraries. Arduino Cloud Frequently asked questions about Arduino Cloud apps, platforms, subscription plans, and more arduino-softpwm. Software PWM library for Arduino, and other compatible AVR boards. AVR microcontrollers provide hardware PWM on some pins but if you need PWM on other pins then it must be implemented in software. This library provides easy and efficient software PWM on any pin. Each channel can be set to a different PWM duty cycle Arduino IDE . Arduino 向けのプログラム (「スケッチ」といいます) を作成するオフィシャルなソフトウェアは Arduino Software (IDE) です。. Arduino Software を用いるとプログラム (スケッチ) を作成し、USB を通じて Arduino ボードにアップロードするための環境が整います Programino is an comfortable alternative IDE for Arduino ™, Teensy, Espressif ESP 8266, ESP32 and all compatible microcontroller boards. Programino IDE for Arduino™ is made for Professionals and Hobby/Maker. The serial Debugger, Syntax highlighting, Code completion and the various integrated tools and the HTML5-Editor for IoT/Web applications make it easy to program your project idea.

Creating a Panel to Download Arduino Program/EEPROM Content. To create a panel for downloading from Arduino memory, click the Add Programmer drop-down menu on the Program Devices visualizer toolbar. Select Downloader from the list A) Fritzing: Fritzing is an open-source hardware initiative that makes electronics accessible as a creative material for anyone. We offer a software tool, a community website and services in the spirit of Processing and Arduino, fostering a creative ecosystem that allows users to document their prototypes, share them with others, teach electronics in a classroom, and layout and manufacture. Arduino™ Shields Watch Video. The following is a list of Arduino Shields pre-supplied with the Visual Designer software. When you add one of these shields from the Peripheral Gallery the shield circuitry will automatically be placed on the schematic for you and connected up to the Arduino base board Free arduino software v1.8.3 download. Development Tools downloads - Arduino by Antipasto and many more programs are available for instant and free download

Arduino programming and software Installing - Arduino

Arduino + ATtiny DCC Decoder / DCC Sniffer / S88 software download (October 2015) Over time several types of the Arduino DCC decoder software have been made, such as accessory-, servo-, function-decoder, S88 interface, DCC sniffer, Sound software.All are available from now on in one overall zip download Uloz.to is the largest czech cloud storage. Upload, share, search and download for free. Credit allows you to download with unlimited speed Lekce 31 - Arduino a SPI TFT displej 128x160. 19.07.2014 12:42. Translate to English Pro dnešní tutoriál jsem si si vybral displej TFT o velikosti 1.8 s rozlišením 125x160 řizení pomocí SPI. Připojení bude velice snadné pomocí 4 vodičů + napájení a podsvětlění displeje. Displej obsahuje řadič ST7735R

Arduino programy - poradna Živě

Arduino - Program Structure - Tutorialspoin

Arduino - tysiące projektów DIY w jednym miejscu

In the above code, we have first included the Arduino Software Serial Library using #include<SoftwareSerial.h>. After that, I have created the SoftSerial object and its parameters are SoftSerial(RX, TX), so in the above code pin # 2 has become RX of our Arduino Software Serial and pin # 3 become TX The wait is over Follow Simple Steps and Download Proteus Software Library for arduino ide Free of cost. This will help beginners as well professional.proteus arduino library,proteus arduino simulator,proteus arduino download,proteus arduino simulator download,proteus arduino projects,proteus arduino serial monitor,proteus arduino tutorial,proteus arduino uno library,proteus arduino lcd. Edit on GitHub Introduction. Arduino IDE is OpenCR and OpenCM9.04 compatible development tool. OpenCM IDE can be replaced with Arduino IDE, and it is recommended to use Arduino IDE if possible. Arduino IDE allows users to apply DYNAMIXEL SDK and DYNMAIXEL Workbench when writing sketches.. Software Installation. Download Arduino IDE; Install on Linux USB Port Setting CodeBlocks Arduino IDE is a customized distribution of the open-source Code::Blocks IDE enhanced for Arduino development. It provides more demanding software developers with everything a modern IDE should have including code foldering, code completion, code navgiation, compiling as well as uploading for Arduino Generally, there are two methods to load the program into Arduino: USB/Serial Communication method ISP method The first method is the most common method, which implemented using USB-to-serial adapter chip/converter. For example, CT-UNO is using FTDI FT23x chips which is a popular USB-to-serial adapter chip, and BBFuino requires UC00A USB-to-serial converter to load the program

Programování pro Arduino Uno - Wikiknih

In the Arduino IDE, we go to the Blink program and make sure that the appropriate serial interface has been selected. In order to program a standalone ATmega 328P which `almost´ forms an Arduino Uno, we can select the board type. Tools-> Board-> Arduino Uno The Arduino team does not publish native Android versions of the Arduino IDE. Fortunately Anton Smirnov has come to the rescue with his program ArduinoDroid. It is available from the Google Play app store (free ad-supported, ad-free is $2.99). Load the program and you will have an icon in your all apps listing Arduino ile program yazma 4 adım. Arduino ile program yazma 5 adım. Yukarıdaki adımları kusursuzca tamamlayanlar bir sonraki adım olan Arduino yu çalıştırma işlemine geçebilirler.. Şimdi ise Zip den çıkardıgımız dosyaların içine tekrardan giriş yapıyoruz ve arduino.exe dosyasını çalıştırmak için açıyoruz.; İlk programımızı yazmak için Arduino üst. We all know that, Atmega328 IC is used in Arduino UNO board. This IC is the brain of the Arduino board. Actually, Arduino designers wanted to make a handy prototyping board for the beginners so they organized all the components in such way that anybody can access all the pins of the Atmega328 IC and can program it just by connecting it to computer

Arduino Tutorial - tutorialspoint

An asynchronous Text to Morse Converter and Morse training software for Arduino Uno, based on interrupts and Timer1. And because it doesn't use that evil delay() function, this solution morselizes random letters or whatever it receives through its serial() interface, in a non blocking manner After reading my recent tutorial on using Arduino code in non-Arduino microcontrollers, one of my readers asked me if it is possible to use Arduino as an ISP programmer to program these micro controllers, instead of using a separate dedicated AVR programmer.. The answer is a definite yes and I use it all the time, since I have a lot of Arduinos lying around So lately I've been playing around with my Arduino and I was wondering if there was some way I could program the Arduino in C++. I've been programming it using the C++/Processing language in Vim and using a makefile to compile and upload to the Arduino. But my goal is to be able to use classes and all the great C++ features (or at least sum) to program it Arduino ® programming is supposed to be fun, but it can become frustrating and time consuming for tasks such as visualizing sensor data or incorporating signal processing, machine learning, controls, or advanced math into your projects.. MATLAB ® and Simulink ® address several challenges with traditional Arduino programming. The products support two primary workflows

ما هو Arduino Uno ؟ ~ هندسة ميكاترونكس (mechatronics)

200+ Arduino Projects with Code, Diagrams [Beginner

Programming Environment The Arduino Uno can be programmed with the Arduino software IDE(integrated development environment) . The Atmega328 on the Arduino Uno comes preburned with a Bootloader that allows you to upload new code to it without the use of an external hardware programmer How to use on Arduino. Step 1: Download the test program. Download the Arduino test program from the Program Download column. For a description of the relevant test procedures, please refer to the test program documentation in the package. Step 2: Connect the Arduino development board mBlock is a graphical programming environment based on Scratch 2.0 Open Source Code that makes it easy to program Arduino projects and create interactive applications. Available:mBot, mBot Ranger, Starter/Ultimate, Ultimate2.0 Makeblock. More than a robotic controller, Makeblock is a powerful tool for users to realize their creative ideas. Luckily, Arduino boards make the whole process much easier. A range of boards are available, all programmable using the Arduino IDE and Arduino coding library. This cheat sheet should help you with some of the basic commands you'll need to start programming Arduino boards. FREE DOWNLOAD: This cheat sheet is available as a downloadable PDF from. It is just a piece of code added to your Arduino program. It works for Arduinos based on ATmega328 microcontroller (tested with Arduino Uno) and also for Arduinos with ATmega2560 or ATmega1280 (Arduino Mega). This debugger has some limitations, as described at the end of the article, but I believe it will be usefull for many people..

Elektronika i Programowanie: [28] Arduino - Klawiatura

How to Install Arduino Software and Drivers on Windows 1

The Arduino Uno is one of the famous platforms for embedded application development using AVR microcontrollers. It is most commonly used with the Arduino's own software tool. However, many hardcore programmers still prefer to code for AVRs in native C. This approach offers tremendous flexibility, configurability, and hackability ( ), which. Using an Arduino Nano to program a ATmega328P chip. There are many guides online on how to use an Arduino to program a ATmega chip, two goods ones are: Using an Arduino as an AVR ISP (In-System Programmer) Nick Gammon's guide Installing ATtiny support in older versions of Arduino. If you're using an older (1.0.x) version of the Arduino software (e.g. 1.0.6), you'll need to download and install the ATtiny files manually. Note that the ATtiny's work best with the newer, 1.6.x, versions of the Arduino software The SoftwareSerial library has been developed to allow serial communication on other digital pins of the Arduino, using software to replicate the functionality (hence the name SoftwareSerial ). It is possible to have multiple software serial ports with speeds up to 115200 bps. A parameter enables inverted signaling for devices which require.

Arduino Clou

Sebelum memulai prosedur instalasi ini, pastikan di komputer sudah ada software arduino dengan versi baru dari Arduino IDE. Install ESP8266 Board di Arduino IDE (Windows, Mac OS X, Linux), Software Arduino yang baru terinstall pastinya belum ada board EPS8266, langkah pertama yang dilakukan adalah menambah board ESP8266 di Software Arduino Connect your Arduino board, and open up the IDE. Make sure you have the correct board and port selected in the Tools menu. Load up the StandardFirmata example sketch and upload it to the board. This will allow you to control the Arduino directly so long as it is connected to the computer via USB This tutorial shows you how to wire up an Arduino used as an ISP (programmer) to an ATtiny45 or ATtiny85. To find out how to write code for the microcontroller, see the the tutorial on programming an ATtiny using the Arduino 1.0.1 software (or the older version for Arduino 0022).. Materials and Tool

Programowanie ESP8266-12E z adapterem – Arduino dla