May 21, 2014 · I have an LCD Keypad shield (16x2 with up,down,left,right,select buttons) and I want to prompt the user to enter a weight in kgs. The number will be greater than 10 thousand kgs. In my code below I use the up and down buttons to either add 1 or subtract 1 from the current value for that cursor space. The right button moves onto the next cursor space and the left one moves back a cursor space ...

I have just bought a 16x2 LCD display with buttons. I can get the display to work and do various basic sketches included in the Arduino IDE. However, I cannot figure out how to control the buttons....

Oct 28, 2014 · Here is some code I wrote quick to get the reading of the 'A0' pin on my Sainsmart LCD Keypad Shield. I'm hoping this code helps others how the keypad works, and perhaps will help integrate the keypad into some more understandable / newbie-friendly coding and projects. Here's the code! // //Program: Sainsmart_LCD_Button_Readings // //Author: Jester_Baze // //Requires: -Sainsmart LCD Keypad ...

Dec 7, 2023 · Hallo an alle, ich habe eine ein kleines Projekt, für das ich gerne eine Menüstruktur in einem LCD Keypad Shield, der auf einen Arduino UNO angebracht ist, verwenden würde. Die Idee ist, dass die Submenüs A bis D jeweils ein Untermenü A1 bis D1 haben. Die Navigation von A bis D funktioniert einwandfrei mit Up und Down. Leider reagiert es nicht auf Drücken der Right-Taste, wie ich es mir ...

Jan 27, 2022 · I think you partly understand the problem, but I don't think you've 100% got it yet. The problem with your original code is that it is not detecting when the state of the "Select" button changes, only what it's current state is.

Jan 23, 2018 · Hi I am trying to create a simple menu for my LCD (as a way of learning how to use it), my basic approach is to have two buttons, one that adds 1 and one that subtracts 1 from the total value, and depending on the what the total value is, display a menu option. For example, if the total value is 1 it will display "menu option 1" and so on, then when the menu option is selected it will trigger ...

Sep 18, 2016 · The link to the product in the first post does not work. The pins used to control the LCD were not change between post #0 and post #2.

Mar 24, 2015 · Here is some code for LCD keypad shield and WS2812/Neopixel LED strip: #include <Adafruit_NeoPixel.h> #define LEDPIN A5 // Arduino data pin, connect with R=330 Ohm series resistor to LED strip data pin #define NUMLEDS 50 // Number of LEDs in strip // Parameter 1 = number of pixels in strip // Parameter 2 = pin number (most are valid) // Parameter 3 = pixel type flags, add together as needed ...

May 4, 2017 · Good morning I'm a beginner, I need to connect my LCD keypad shield in my arduino MEGA 2560. Could someone give me a hand with the wiring (if possible with an attached photo) and the code because I tried different solutions, but I can't seem to get it work.

Mar 21, 2016 · Hi there , I am using Arduino UNO . I have some problem about my LCD shield . I have upload the codes to my UNO but nothing shown on the LCD . // include the library code: #include <LiquidCrystal.h> // initialize the library with the numbers of the interface pins LiquidCrystal lcd(12, 11, 5, 4, 3, 2); void setup() { // set up the LCD's number of columns and rows: lcd.begin(16, 2); // Print a ...