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arduino keyboard example Video
Arduino | circuit | Door Lock | electronics | keypad | LCD | Let's Make It | PC BOARD | PCB | PCI Chip | PIC Microcontroller | Raspberry Pie | Robotics | Schematic | serial LCD | Tech-Zen.tv
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Pls pls pls
/* guys please help me it is mini projects,I have an idea to accept temperature,pressure and time from the user and the machine automatically set time pressure and temperature…………..used for steam steriliser….please edit my dear friends */
#include //include LCD library (standard library) //include keypad library – first you must install library (library link in the video description)
#include
int Tempreture=10;//define the LED pins
int Presure=11;//pin 3,5,6,9,10,11 are PWM
int temppin=12;
float tempvalue;
float TEmp;
float PRes;
float Time;
const byte rows = 4; //number of the keypad’s rows and columns
const byte cols = 4;
char keyMap [rows] [cols] = { //define the cymbols on the buttons of the keypad
{‘7’, ‘8’, ‘9’, ‘/’},
{‘4’, ‘5’, ‘6’, ‘*’},
{‘1’, ‘2’, ‘3’, ‘+’},
{‘*’, ‘0’, ‘#’, ‘-‘}
};
byte rowPins [rows] = {2, 3, 4, 5}; //pins of the keypad
byte colPins [cols] = {6, 7, 8, 9};
Keypad myKeypad = Keypad( makeKeymap(keyMap), rowPins, colPins, rows, cols);
LiquidCrystal lcd (A0, A1, A2, A3, A4, A5); // pins of the LCD. (RS, E, D4, D5, D6, D7)
void setup(){
lcd.begin(16, 2);
pinMode(Tempreture, OUTPUT); //set the LED as an output
pinMode(Presure, OUTPUT);
pinMode(temppin, INPUT);
}
void loop(){
char whichKey = myKeypad.getKey(); //define which key is pressed with getKey
lcd.setCursor(0, 0);
lcd.print(” Welcome”);
lcd.setCursor(0, 1);
lcd.print(” Enter Tempreture”);
lcd.print(whichKey);
delay(5000);
float eyasuKey = myKeypad.getKey(); //define which key is pressed with getKey
lcd.clear();
lcd.setCursor(0, 0);
lcd.print(whichKey);
lcd.setCursor(0, 1);
lcd.print(” Enter Presure”);
lcd.print(eyasuKey);
delay(5000);
char mikaelKey = myKeypad.getKey(); //define which key is pressed with getKey
lcd.clear();
lcd.setCursor(0, 0);
lcd.print(whichKey);
lcd.print(eyasuKey);
lcd.setCursor(0, 1);
lcd.print(” Enter Time”);
lcd.print(mikaelKey);
delay(5000);
TEmp=whichKey;
PRes=eyasuKey;
Time=mikaelKey;
analogWrite(Tempreture,TEmp);
analogWrite(Presure,PRes);
delay(1000*Time);
tempvalue=digitalRead(temppin);
tempvalue=tempvalue*0.4883;
if(tempvalue<=50){ digitalWrite(Tempreture,LOW); } }
PINCHE PAPADA JA JA AJ
Congratulations from Belgium. Have you membrane switch keypad 4×4 for library fritzing? Thank you
hello Sir, please give me the programming code to make this
can anyone explain me that for loop he used
建议提供接线图
Great video.
How can I do this using Atmel Studio 7 and make a program in C, and send the corresponding value of the keypad to a 7-segment LED Display?
Very good project
The letters don’t work for me
#include
#include
#include
const byte rows = 4;
const byte cols = 4;
char keys[rows][cols] = {
{‘1′,’2′,’3′,’A’},
{‘4′,’5′,’6′,’B’},
{‘7′,’8′,’9′,’C’},
{‘*’,’0′,’#’,’D’}
};
byte rowPins[rows] = {11,10,9,8};
byte colPins[cols] = {7,6,5,4};
Keypad keypad = Keypad(makeKeymap(keys), rowPins, colPins, rows, cols);
LiquidCrystal_I2C lcd(0x3F,20,4); // set the LCD address to 0x27 for a 16 chars and 2 line display
void setup()
{
lcd.init(); // initialize the lcd
lcd.init();
// Print a message to the LCD.
lcd.backlight();
lcd.setCursor(3,0);
lcd.print(“You Pressed:”);
}
void loop()
{
char key = keypad.getKey();
if (int(key) != 0) {
lcd.setCursor(16,0);
lcd.print(key);
}
}
Bundle of thanks to you sir…. Your video was just greatly organized and your code helps me a lot to correct my code.. As i was making a Arduino based spin coater.. but i got stuck in the coding of keypad..but thanks to you again to guide so well..
hey where i can find the ample code?
Are you mad
Would i be able to use this for multiple codes? I am trying to use a key pad 4×4 to do functions depending on the sequence entered, like a vending machine “A+1” would do subroutine X and “B+2” would do Y
what is the problem i cannot get the key ?
this is my code
void KeyPad()
{
Key = kpd.getKey();
if (Key == PRESSED)
{
Key = kpd.getKey();
if (Key)
{
if (Key == ‘A’)
{
lcd.clear();
lcd.setCursor(0, 0);
lcd.print(“Recharging Mode.”);
lcd.setCursor(0, 1);
lcd.print(“…………….”);
delay(1500);
lcd.clear();
recharge = 0;
}
}
}
}
Kmac2021 takes his jokes to far
cheeks attached to neck.
Cant find the code on your page any longer
“its a mess” dude my Arduino looks like a damn messy server room. And im only trying to make a ldr make a buzzer buzz