Arduino 8x8 led matrix heart code programming. Components and supplies.


Arduino 8x8 led matrix heart code programming i need a little help i m new in programming and coding so i need a code for scrolling text on a 8x8 led matrix using Max7219 and a arduino board i hav several codes for displaying text but i need the code for scrolling text if any1 know it plz post here thanks i m using the following circuit: Mar 15, 2020 · Heart on matrix led. Below is the code I have to simply display a letter, but thats all I can figure out at this point. So pretty much the backpack works with 4pins: CLK (l2C clock) DAT (l2C data) GND VCC+ (5V or 3V) Connected everything, installed the libraries successfully. Feb 26, 2015 · Im programming an Uno to count up in Binary and to display that Binary onto an 8x8 LED matrix (I2C Backpack, adafruit), nearly all the code is sound, its only the display part. Can any one help me out to make a program which display ''This is my String''. LED Coordinates: The code The layout of the LED matrices is defined in ledMatrix. USB Cable - Standard A-B Sending Bytes to an 8x8 LED Matrix. Any help or guidance would be appreciated! const int rClock = 2; //chip pin 7 const int rData = 0; //chip pin 5 const int cData = 4; //chip pin 3 const int latch = 1 Jan 7, 2017 · I have trouble understanding why my code is not working. 2: 1269: Sep 7, 2017 · Hi All! I have an 8x8 LED Matrix but I have no idea how to construct code to make it scroll. I have attached the schematic. //the project. I am having trouble figuring out how to light up individual leds on our matrix using the colorduino library. Now I want to make it so that the user could input their own text. Drawing captivating animations became a breeze using an online Matrix Sprite generator Jun 13, 2014 · How to Control 8x8 Led Matrix using 4017 decade counter, 8 Digital Arduino outputs, and 8 resistors. #include <TimerOne. We wait for 5 seconds and then booom!, the leds that compose the heart turn on and a heart can be seen on the matrix. Right now there's code to drive 1 row at one color with 4bit pwm (2 leds stored in 1 byte) using a timer2 overflow interrupt. writeSprite May 16, 2024 · The MAX7219 8x8 LED matrix module is a compact, versatile display unit favoured by electronics hobbyists and developers working on microcontroller projects. h> int latchPin = 8; //Pin connected to Pin 12 of 74HC595 (Latch) int Nov 20, 2022 · 1. . Heart on matrix led. What I want to display first on the matrix is an Apr 19, 2014 · Hi all Wanted to set about making a simple rendition of this game (Speed Stacker Game: Build a Tower, Row by Row | Free Online Games | Reaction Time/Timing) using an Arduino Uno, a push button and an 8x8 LED matrix. I have the rows on pins 2-9, and columns on pins 9-13 and A0-A3. I have a question about the last example: "Example code for sprite text effect on MAX7219 LED dot matrix display with Arduino. The-LED-heart-_-Arduino. This code uses a ATtiny2313 to directly drive a 8x8 LED matrix. See full list on osoyoo. After getting it to work I permatized it on a Apr 8, 2016 · /* * snake. 473562 views • 291 respects. But here Feb 19, 2012 · I have a 8x8 led matrix with a max7219 connected to could I attach a button to the arduino and load too codes (below) and switch between them using the button the first is conways game of life the second is one man pong that uses a pot to control it #include "LedControl. " Arduino Uno code plus an advanced web interface to control an 8 by8 LED matrix without using any shift registers. 506625 views • 294 respects. - sbsev3/8x8-LED-matrix Sep 27, 2019 · 8×8 LED Matrix Tutorial + Project Code and Schematic. USB Cable - Standard A-B Mar 28, 2013 · I wasn't able to find a tutorial that clearly tells how to wire 8x8 matrix of LEDs. 7. I used to do some javascripting in the past, so partly understand what the code is saying. Diese erleichtert die Steuerung der LED-Matrix. g. This Easy project uses an 8x8 display with a MAX7219 controller and an Arduino Nano. I know how to get it to show a static pattern, for example static const uint8_t PROGMEM Display1[] = { B10101010 Sending Bytes to an 8x8 LED Matrix. Programmierung 2. angryRobot and change the LED values. 1. May 20, 2015 · Hi I have the following working code which display HI. On a 8X8 LED dot matrix,we display a heart with the help of an Arduino Uno. Programming 8x8 LED Matrix. Jan 20, 2024 · Hello, I am trying to display a countdown on one 8x8 LED matrix (while motor is working for 30 seconds), but I can't get it to work. Extrapolating to 8 rows and 3 colors I think I'd get a refresh rate of 18Hz Matrix VCC to Arduino VCC; Matrix GND to Arduino GND; Matrix Din to Arduino D11; Matrix CS to Arduino D10; Matrix CLK to Arduino D13; To control the matrix, I used the Arduino LEDControl library, enabling access to individual LED pixels, rows, and columns. ino * * A simple snake game. com Sending Bytes to an 8x8 LED Matrix. BEATING_HEART. How can I change the code suggested by that tutorial? or is there a better method to do the same thing? Thaaaanks 🙂 Nov 19, 2022 · 8x8 LED Matrix . You can easily use an Arduino Uno instead. blogspot. I am just having a lot of trouble with it and can't figure out how to proceed further. Aug 5, 2015 · Hi guys! I'm a newbie. Code is a combination of Heather Dewey-Hagborg, // Arduino Forum user: Little-Scale, and // Daniel Hirschmann. So far I've decided to use 4 74HC595 shift registers to drive the leds. I play with the code from here: // Simple program to test using the Arduino with the RGB Matrix // & Backpack from Sparkfun. This works fine, because I planned that if the serial monitor I write "a", the matrix shows the character "a". Mar 15, 2020 Code. I wired it according to what it said on this website. net 4. But i dont know howi would code it. Also, this is not a programming question, at the moment you don't appear to have wired things correctly, I wanted to make a live holiday gift card. h" LedControl lc=LedControl(12,11,10,1); #define Largeur 8 #define Hauteur 8 int analogPin = 0; unsigned long delaytime=150 Sep 27, 2019 · 8×8 LED Matrix Tutorial + Project Code and Schematic. 498275 views • 292 respects. h> byte smiley[] = {8, 8, B00111100, B01000010, B10010101, B10100001, B10100001, B10010101, B01000010, B00111100}; m. LED Coordinates: coords_1 Mar 15, 2020 · Heart on matrix led. As I understand the recommended way to do that is to use interrupts which control the multiplexing of the rows: Tutorial: Using Timed Interrupts with the Arduino at the example of a 8 x 8 LED Matrix Display - YouTube This tutorial was very helpful Jan 13, 2016 · Hi all! arduinofreaklol here! I have an 8x8 LED Matrix Display MAX7219 module (sorry! not able to post pics at the moment!) and i made an awesome project with it! Jul 24, 2011 · hello i was woundering if someone can help me modify this code to work with an 8x8 matrix. Learn how LED matrix works, how to connect LED matrix to Arduino, and how to program Arduino step by step. Hardware is no issue but I am struggling with some code concepts. Hardware; Software; About the 8×8 LED Matrix; Examples. Am I on the right track? (of the 8x8 matrix). I'm not so familiar with the programming for arduino, and only understand the basics. lights. Circuit Diagram; Upload Sketch; Running Result; Heart Blinking on the 8X8 matrix. Oct 3, 2022 · In this project, we will learn how to use the 8×8 LED Matrix MAX7219 with Arduino. Lights up an LED on the 8X8 matrix. So far, everything is working fine and it displays lots of colorful patterns but I really want it to show text on the screen. h> #include <avr/pgmspace. The MAX7219 is essentially a multiplexer which can extend the Arduino's limited output pins. Aug 9, 2010 · The only programming knowledge I have is stuff i've taught myself, which is the main reason my projects have all been so basic. I am new to Arduino (and all other programming) and find some things hard to understand. Feb 13, 2017 • 534120 views • 297 respects 8x8 LED Matrix . * */ #include <TimerOne. ino (9. Nov 12, 2024 · The code is structured into several key sections: defining pin connections, setting up the Arduino board, the main loop for the heartbeat effect, and functions to control the LED matrix. 4 KB) Apr 12, 2024 · Introduction. Here's the code. here is my code. Jul 7, 2017 · So i made a 8x8 led matrix and i want to control it with my arduino with no driver. Thank you so much everyone <3 Nov 4, 2016 · First up I am very new to this and most of the sketches I use are pilfered from the internet! I have 2 8x8 LED matrices that I have scrolling text on. I am trying to figure out the pin setup of my 8x8 led matrix as i have not been able to locate a proper datasheet. * When a player hits the wall or the tail of the snake, the score flashes on the screen. code should be able to get the individual ascii code and map to the look up data. Please use this code as you wish!! =D Enjoy! Aug 12, 2011 · hello all, im new to arduino i just received it in the mail a few weeks ago i go to school for electronics and havent really gotten much on the software side i doing a project and i built an 8x8 led matrix. on the matrix. Thanks for that. I can't seem to find a solution I know how to split a string into an array of characters, but I don't know how I can make an array of bytes to display on the matrix Can anybody help me? Thanks in advance. The isr routine needs 2. Enjoy! // // The Backpack requires Sending Bytes to an 8x8 LED Matrix. 1 //This project was made by Mikołaj Trybulski 2 //CONNECTING 3 //MATRIX 4 PIN: ARDUINO PIN: Sending Bytes to an 8x8 LED Matrix. h library and a MAX7219 IC chip to drive an 8x8 LED matrix. Arduino Nano R3. A link to the specs. Tested it all the sketches and examples and they worked perfect. Copy-paste one of the existing matrixes e. Please help. An 8×8 LED matrix has 64 LEDs (Light Emitting Diodes) which are arranged in the form of a matrix as 8 rows and 8 columns. There are a number of online options as well. Beginner Showcase (no instructions) 6,014 Aug 1, 2015 · Trying to print a heart on an 8x8 led screen. I would like to display several patterns. shutdown (0, false); 23 /* Set the brightness to a medium values */ 24 lc Jan 26, 2019 · Hi! I am trying to do a school project with a vma439 8x8 led matrix. LED Dot Matrix Display, Red. I have added extra lines to the "char_code[xxx] [6]" list, which compiles but I can't then use them tried many ascii character list to no avail , I have also tried adding extra Jul 3, 2008 · hi, I'm in the process of building a controller for the sparkfun rgb led matrix. Feb 13, 2017 • 537901 views • 297 respects Code. I will go from wiring to having some fun with it. And so making it waving flag animation. i want to have my matrix display numbers so that it can keep score for the game im building. Für die Arbeit mit MAX7219 verwenden wir die „LedControl“ Bibliothek. At this moment this is the code I am using Oct 5, 2013 · I've written a small Windows programm for quick generation of 8x8 led matrix code. The line that I would love to get explained in simpel words is : "" digitalWrite(col[k], !bitRead(ledBitmap[iBitMapNo][j+vOffset],k+hOffset)); "" Why ! Before bitRead and what does it and the [] mean . The wiring is very simple. Introduction; Preparations. USB Cable - Standard A-B Aug 15, 2020 · this is a code i found online and i want to play the sad exprestion and happy and so on and so forth but i want them to play when i hit a button and play a diffrent one with a diffrent button if any experts can help me it would be greatly appreciated iforgot to mention im using an arduino uno //Viral Science www. 502580 views • 292 respects. I'll also attach the schematic. Apps and platforms. Apr 23, 2015 · I try to understand a code for 8x8 matrix but there is a line that I dont understand anything about. Dec 15, 2024 · Verbinde die Ausgänge der Schieberegister mit den Zeilen- und Spaltenanschlüssen der LED-Matrix. Bibliotheken installieren. Feb 13, 2017 • 537316 views • 297 respects Sending Bytes to an 8x8 LED Matrix. The knob is at the bottom. Sending Bytes to an 8x8 LED Matrix. So without wasting your time let's start. To display on this matrix it requires a uint8_t array, like so static const uint8_t PROGMEM Display1[]= {B10101010, B01010101, B10101010, B01010101, B10101010, B01010101, B10101010, B01010101 }, Now the difficulty I Jun 22, 2012 · I am trying to scroll alphabets using one 8x8 led matrix and 74595 but I have a problem in my code basically I have formed an array for an alphabet representing the binary numbers for each row corresponding to the alphabet. Arduino - 8x8 LED Matrix 4. Make sure all your row[] pins go to a 1k resistor and on to the LED array pin from there. Code. which 11 */ 12 LedControl lc = LedControl (12, 10, 11, 1); 13 14 /* image switching time */ 15 unsigned long delaytime1 = 500; 16 unsigned long delaytime2 = 50; 17 void setup {18 /* 19 The MAX72XX is in power-saving mode on startup, 20 we have to do a wakeup call 21 */ 22 lc. I've reviewed some of the intro code on working with an LED matrix, but I cannot find anything that is similar as a point of reference for where to start with this. This makes it easier for you to decide what method fits your needs best! The UNO R4 WiFi LED Matrix Apr 29, 2014 · Hello to all, I connected two max7219 two matrix LEDs. 496273 views • 292 respects. com Viral Science - The home of Creativity - YouTube //LED Sep 2, 2015 · Hello, After creating my own doorbell with colored led I now started a new project, with a 8x8 LED matrix. I mean the LED goes blank for 30 secs, but nothing is being scrolled. art. Feb 7, 2021 · Hello, I made a program for running text on an 8x8 matrix display. But it's not enough, so hopefully someone can help me out. Also, does it really matter which pins I have connected to which rod? Like a shift register has pins like VCC, GND, lhtcp etc. example: #include <MaxMatrix. Soon I will release another version of it with 8x8 LED Matrix editor which allows you to easily customize the output of your 8x8 LED Matrix but for now, since we have limited memory for Arduino Nano I stick to this code. USB Cable - Standard A-B Oct 13, 2016 · (soory for bad grammar, not a native speaker) Hello While surfing the web i came accross this Arduino code:(sorry code to long to put into post see attachments) What i would like to know is how the heck am i to implement a 8x8 led matrix into this game, where the matrix shows the current level (gameRound) and maybe a smiley before the servo kicks in?? simongc. /* * Show animations on a DIMxDIM led matrix * * Uses Timer1 library to * constantly run an interrupt routine * at a specified frequency. 3. 1 #include < LedControl. As Jul 15, 2017 · Note: ALL OSOYOO Products for Arduino are Third Party Board which is fully compatitable with Arduino Content. On a 8x8 LED dot matrix we display a heart image (which is created by the matrix's dots/LEDs that are ON). can Mar 3, 2009 · Hi, I would like to use the 8x8 RG-LED Matrix with SPI-Backpack from SparkFun to display letters or pics with the aeduino. I made my own 4x4 on a breadboard, but I can only get a whole row or column to light up. Welcome to the world of mesmerizing visual displays! In this guide, we’ll explore how to construct an 8×8 LED matrix without the need for any additional integrated circuits (ICs). Syntax & Programs. 3ms to complete. Hence it is named as an LED Sending Bytes to an 8x8 LED Matrix. 1 //Mario's Ideas - RCTech 2 //MAX7219 - using Led Control library to display 8x8 bitmap 3 #include < LedControl. 8 wires go from the 4017 to either the Columns or Rows of the 8x8 matrix. Trace your pins back to LED array with help of your row[] and col[]. Change the name of the matrix with your freshly created matrix here: void setupMatrix(){ bool v = yourNameHere[x][y]; } Note: Before wiring up the LED 8x8 matrix with the Arduino Uno, bear in mind that the pins are numbered as per the following: I refactor and revised the code to fit my needs for this project. uint8_t A[] = {B00000000, B00000000, B01111110 Programming 8x8 LED Matrix. Jul 15, 2017 · Note: ALL OSOYOO Products for Arduino are Third Party Board which is fully compatitable with Arduino Content. I'm trying to display static letters on my 8x8 led matrix. Mar 6, 2023 · 8x8 dot matrix display heart with arduino uno In this video we will discuss about how to make heart on 8*8 display with arduino, hope you like my videos. Samples below implement this animation: These samples use a LedControl (library for the MAX7221 and MAX7219 Led display drivers) to switch LEDs ON/OFF. This project involves using an Arduino Uno microcontroller to control an 8x8 LED matrix in order to display the message "Welcome to BUC" or any another message. Code samples. Here are the arrays and setup code, the loop code is left as an exercise. ino. Arduino matrix heart. " Who can help me because I do not know how to do? Thanks to all 🙂 🙂 Sending Bytes to an 8x8 LED Matrix. h > 2 3 int DIN = 10; 4 int Nov 20, 2022 · Code. The LED matrix is connected to the Arduino Uno using jumper wires, and the 𝓜𝓪𝔁𝓜𝓪𝓽𝓻𝓲𝔁 library is imported into Arduino Programming 8×8 Common Cathode LED Dot Matrix Display (MAX7219): MAX7219 dot matrix module: It consists of one 8x8 common cathode dot matrix 1088AS and one MAX7219, and communicates with the microcontroller via SPI. i want to ha&hellip; Aug 12, 2011 · hello all, im new to arduino i just received it in the mail a few weeks ago i go to school for electronics and havent really gotten much on the software side i doing a project and i built an 8x8 led matrix. And here is the arduino sketch: /* LEDMATTINY_DISP by Baselsw 2012. A super simple project using just 3 items! Code. Could someone give me a hint? The code is following (I have been trying to use the assistance of ChatGDP): void startMotorAndCountdown() { motorRunning = true; digitalWrite(relayPin, HIGH This guide will walk you through the basic concepts for programming the LED matrix, and get you started with creating your own animations, while highlighting two different ways of handling the LEDs to create animations and images. 495601 views • 292 respects. I want to add extra characters/images, such as a space invader. For testing purposes it was connected to a standard Arduino board (Diecimila) using 4 shift registers. 8x8Matrix_LED. I just tried to follow this idea: I managed to display scrolling letters but now I want to stop them. Hello, I currently have a circuit wired up on a breadboard, I scavenged the internet to such topic and all the examples I've seen you Max chips/micro controllers, and all the code out there does not correspond to the hardware I'm using. This is a short arduino loop that uses Eberhard Fahle's excellent LedControl. html Programming 8x8 LED Matrix. Specifically one that displayed a beating heart. Connect your Arduino Nano Atmega 328p to your PC. Nov 7, 2023 · Hello! So I started this small project with a LED Matrix. Feel free to use this in any way you want. For that, we are going to interface an 8×8 LED matrix module with MAX7129 LED driver with Arduino Uno Board. USB Cable - Standard A-B . Arduino 8x8 Direct LED control. 1 // Mario's Ideas 2 // Testing all 64 leds in 8x8 LED matrix by Testing all 64 LED of the 8x8 LED matrix May 5, 2020 · Hi, today we will display heart ♥ on 8×8 led display using arduino UNO. This * refreshes the display without the * main loop having to do anything. then I have shifted them and stored them in an another array. can any 1 give me simple advice on how to approach the code. The code is structured into several key sections: defining pin connections, setting up the Arduino board, the main loop for the heartbeat effect, and functions to control the LED matrix. Any input would be much appreciated! May 1, 2023 · Hello, I built a 8x8 LED matrix. show original Sending Bytes to an 8x8 LED Matrix. I have my An overview of the 8x8 LED Matrix with a HT16K33 backpack. I have looked online and I have not yet found out how to do this because I am a beginner with the coding part. Matrix as a 64-bit long integer. Feb 13, 2017 • 538276 views • 297 respects Sep 29, 2014 · 64 Pixel RGB LED Display - Another Arduino Clone. I've no idea why you have 2 clock pins defined in your code. Jun 13, 2014 · The clock wire (single wire) goes from the Arduino to the clock input on the 4017. I want what I visualize the flow matrix of LEDs, that I want to get the effect of "shifhting. Anyway, if you can please give or Sending Bytes to an 8x8 LED Matrix. I'm following a guide/textbook lesson but they don't go into details how to wire it to Arduino. io. This is an 8x8 matrix where I want the top half to be blue and the bottom half to be yellow. Feb 13, 2017 • 542947 views • 294 respects Feb 5, 2015 · Beating Heart animation on 8x8 LED Matrix + Arduino Unoexample code: http://arduino-er. MaxMatrix. which means pins 1-8 are there. I wanted to make a live holiday gift card. Aug 2, 2014 · So I bought a 8x8 Matrix LED [HT16K33], and I hooked it up with my Arduino, everything was cool, downloaded the needed libraries for the backpack and for the GTX. 512752 views • 294 respects. i got some codes off of the net for a guide but it only flashes a 2 and then shuts off. I have an array holding the binary and I dont know how to get the matrix to display that (as it wont allow the use of arrays). h: #define MATRIX_8x8 One 8x8 LED matrix; #define MATRIX_2X8x8 Two 8x8 LED matrices, giving 16x8 LEDs; left: LEDs 0 to 63, right: LEDs 64 to 127; #define MATRIX_2x2X8x8 Four 8x8 LED matrices, giving 16x16 LEDs; top: LEDs 0 to 127, bottom: LEDs 128 to 255 May 10, 2011 · Hello every1. Under the use of this product could display word by word to form a short sentence or confession. Then you will have same brightness of all LED in array at all times. h > 4 5 int DIN 1 /* 8 X 8 LED Matrix Using 2 x 47HC595 Shift these numbers to suit your Arduino board, this code written ; 460 461 case 17: program_name = "Heart 1 Apr 21, 2013 · Sample code for scrolling messages (needs FrequencyTimer2 library): Looks like you didn't download the library, or you didn't install it in the first place, or you didn't restart the IDE. 501189 views • 292 respects. All examples run on the Arduino Nano without any problems. Components and supplies. May 2, 2015 · This is a very simple project to display a beating heart using and Arduino board and a 8x8 LED matrix driven by a MAX7219 chip. In Sending Bytes to an 8x8 LED Matrix. Apr 21, 2016 · I would like to discover the easiest way to control an 8x8 Neopixel matrix to act as one LED. However, it seems whatever entry is first in c… Dec 17, 2009 · It may be easier if you use an array of pins so your row and column variables in the for loops can start from 0. USB Cable - Standard A-B Jul 30, 2012 · After successfully uploading the sketch to ATtiny2313, I connected the LED Matrix and power supply as the following schematic. top left, A:1)? No fancy stuff, just the first LED on. (All Colors the same). Detailed instructions, code, wiring diagram, video tutorial, and line-by-line code explanation are provided to help you quickly get started with Arduino. h> //#define TESTMODE // continuously sequence thru the LED's # Programming 8x8 LED Matrix. BTW. May 24, 2020 · Hello, the tutorial "MAX7219 LED dot matrix display Arduino" It's great because everything is explained. Find this and other hardware projects on Hackster. Does anyone know what the bare basic code is to light one led (e. viralsciencecreativity. Pin Definitions: led_row and led_col arrays define the pins connected to the rows and columns of the LED matrix, respectively. USB Cable - Standard A-B Feb 24, 2015 · Im programming an Uno to count up in Binary and to display that Binary onto an 8x8 LED matrix, nearly all the code is sound, its only the display part. 1. Testing all 64 LED of the 8x8 LED matrix. com/2015/02/beating-heart-animation-on-8x8-led. h is required on the Arduino side. Any assistance would be much appreciated. Things required 1) Arduino UNO 2) 2 Bread Dec 29, 2013 · Hi, I'm currently trying to learn about LED matices. 64 Pixel RGB LED Display - Another Arduino Clone: This display is based on an 8x8 RGB LED Matrix. Circuit Diagram; Code Program Dec 4, 2013 · We have an ITEAD Colorshield connected to the Arduino UNO which is connected to an 8x8 RGB matrix. I used a program called PixelToMatrix to help with coding the displayed images. State of the 8x8 matrix can be presented as an unsigned long integer (uint64_t). Circuit Diagram; Code Program Jul 30, 2020 · 8x8 Matrix LED Arduino Project. Thank you -A 8x8 Dot Matrix: Confession and Heart Animation: Introduction: This Arduino creation serves the purpose under a situation when people are too shy to confess or say some specific wordings. arduino. I have successfully wired up a 8x8 matrix (preassembled), but the code is confusing me. A matrix of LEDs receives data from Arduino. My goal is to make a waving flag animation on this matrix. * * This code is written for use with a 8x8 led matrix, controlled by a MAX7219 * * Remember to download and include LedControlMS from This file has been truncated. 1 // Mario's Ideas 2 // Testing all 64 leds in 8x8 LED matrix by Testing all 64 LED of the 8x8 LED matrix Programming 8x8 LED Matrix. 5 is required on the windows side. LED Dot matrix driven by MAX7219 works perfect with Arduino. I'm trying to control an LED matrix with the aim of eventually making a music visualizer. 2. It employs the MAX7219 LED driver IC, which simplifies the task of connecting and controlling multiple LEDs. MAX7219 VCC pin > Arduino 5V pin Feb 5, 2015 · You have your resistors placed partly wrong and because of that your 8x8 LED array works with different brightnesses. ydm flvbm elals gidk vmwj mtoja jdka krfx lfyd qlw hwtrkdm yytzcj gzvako uft ean