Pinguino + LCD Keypad Shield

Pinguino+Arduino LCD Keypad Shield

Pin Out Diagram:

Pin:

Pin Allocation:


Function:
lcd (rs, enable, d0, d1, d2, d3, d4, d5, d6, d7)
lcd.begin (lines, dotsize)
lcd.clear
lcd.home
lcd.print (“string”)
lcd.printNumber (number,base)
lcd.setCursor (column,row)

Example: Clock (Hour/Min/Sec)

Flow Chart:

Program Code:

 

#define LED 13

//global vars
float num;

void setup()
{
	//8 bits mode
	//lcd(8, 9, 0, 1, 2, 3, 4, 5, 6, 7); // RS, E, D0 ~ D7

	//4 bits mode, dont use last four pins ...
	lcd(8, 9, 4, 5, 6, 7, 0, 0, 0, 0); // RS, E, D4 ~ D8	

	//LCD format
	lcd.begin(2, 0);

	/* Debug */
	pinMode(LED, OUTPUT);		// LED on pin 13
}

uchar counter = 0;
uchar sec  = 0;
uchar min  = 0;
uchar hour = 0;
int z;
void loop()
{

	// Output string
	lcd.home();
	lcd.print("Pinguino-LCDlib");	// Output char

	if (counter>9){
		counter = 0;
		sec++;
	}

	if (sec>59){
		sec = 0;
		min++;
	}

	if (min>59){
		min = 0;
		hour++;
	}

	if (hour>23){
		hour = 0;
	}

	lcd.setCursor(0, 1);

	if (hour < 10)
		lcd.print("0");
	lcd.printNumber(hour, 10);

	if (min < 10)
		lcd.print(":0");
	else
		lcd.print(":");
	lcd.printNumber(min, 10);

	if (sec < 10)
		lcd.print(":0");
	else
		lcd.print(":");
	lcd.printNumber(sec, 10);	

	//set hour and min
	z=analogRead(14);

	if (z>50 && z<200)	//hour++
	{
	hour++;
	delay(50);
	} 

	if (z>200 && z<400)	//hour--
	{
	if (hour>0)
	hour--;
	else
	hour = 23;
	delay(50);
	} 

	if (z<50)		//min++
	{
	min++;
	delay(50);
	} 

	if (z>400 && z<600)	//min--
	{
	if (min>0)
	min--;
	else
	min = 59;
	delay(50);
	} 

	if (z>600 && z<800)	//reset sec
	{
	sec=0;
	delay(50);
	} 

	if (z>800)	//nothing
	{
	delay(50);
	} 

	counter++;

	delay(51); //just a fine tune to get 100ms with this!
	digitalWrite(LED, LOW);
	delay(51);
	digitalWrite(LED, HIGH);
}

DEMONSTRATION:

BUY

Leave a Comment

Your email address will not be published.

Share this Tutorial

Share on facebook
Share on whatsapp
Share on email
Share on print
Share on twitter
Share on pinterest
Share on facebook
Share on whatsapp
Share on email
Share on print
Share on twitter
Share on pinterest

Latest Tutorial

Smart Blind Stick
Google Assistant Controlled Stepper Motor Using IFTTT and Adafruit IO on ESP32
Wire Buzz
Send Sensor’s Data to Adafruit IO Using ESP32
Robotic Arm
Scroll to Top