Arduino: LCD keypad shield - Revision history

Unknown user: /* Library */

2023-04-01T13:35:43Z

Library

← Older revision		Revision as of 13:35, 1 April 2023
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	* https://github.com/arduino-libraries/LiquidCrystal		* https://github.com/arduino-libraries/LiquidCrystal

			Lakukan

			mv LiquidCrystal-master.zip ~/Arduino/libraries/

			Kemudian Load Library

	==Test Program==		==Test Program==

Unknown user at 13:34, 1 April 2023

2023-04-01T13:34:40Z

← Older revision		Revision as of 13:34, 1 April 2023
Line 2:		Line 2:

	[[File:FKUA4JDITKJE7UI.LARGE.jpg\|center\|400px\|thumb]]		[[File:FKUA4JDITKJE7UI.LARGE.jpg\|center\|400px\|thumb]]


			==Library==

			* https://github.com/arduino-libraries/LiquidCrystal

Onnowpurbo: /* Test Program */

2018-02-03T10:48:09Z

Test Program

Onnowpurbo at 10:30, 3 February 2018

2018-02-03T10:30:03Z

← Older revision		Revision as of 10:30, 3 February 2018
Line 2:		Line 2:

	[[File:FKUA4JDITKJE7UI.LARGE.jpg\|center\|400px\|thumb]]		[[File:FKUA4JDITKJE7UI.LARGE.jpg\|center\|400px\|thumb]]


			==Test Program==

			//Sample using LiquidCrystal library
			#include <LiquidCrystal.h>

			/*******************************************************

			This program will test the LCD panel and the buttons
			Mark Bramwell, July 2010

			********************************************************/

			// select the pins used on the LCD panel
			LiquidCrystal lcd(8, 9, 4, 5, 6, 7);

			// define some values used by the panel and buttons
			int lcd_key = 0;
			int adc_key_in = 0;
			#define btnRIGHT 0
			#define btnUP 1
			#define btnDOWN 2
			#define btnLEFT 3
			#define btnSELECT 4
			#define btnNONE 5

			// read the buttons
			int read_LCD_buttons()
			{
			adc_key_in = analogRead(0); // read the value from the sensor
			// my buttons when read are centered at these valies: 0, 144, 329, 504, 741
			// we add approx 50 to those values and check to see if we are close
			if (adc_key_in > 1000) return btnNONE; // We make this the 1st option for speed reasons since it will be the most likely result
			// For V1.1 us this threshold
			if (adc_key_in < 50) return btnRIGHT;
			if (adc_key_in < 250) return btnUP;
			if (adc_key_in < 450) return btnDOWN;
			if (adc_key_in < 650) return btnLEFT;
			if (adc_key_in < 850) return btnSELECT;

			// For V1.0 comment the other threshold and use the one below:
			/*
			if (adc_key_in < 50) return btnRIGHT;
			if (adc_key_in < 195) return btnUP;
			if (adc_key_in < 380) return btnDOWN;
			if (adc_key_in < 555) return btnLEFT;
			if (adc_key_in < 790) return btnSELECT;
			*/


			return btnNONE; // when all others fail, return this...
			}

			void setup()
			{
			lcd.begin(16, 2); // start the library
			lcd.setCursor(0,0);
			lcd.print("Push the buttons"); // print a simple message
			}

			void loop()
			{
			lcd.setCursor(9,1); // move cursor to second line "1" and 9 spaces over
			lcd.print(millis()/1000); // display seconds elapsed since power-up


			lcd.setCursor(0,1); // move to the begining of the second line
			lcd_key = read_LCD_buttons(); // read the buttons

			switch (lcd_key) // depending on which button was pushed, we perform an action
			{
			case btnRIGHT:
			{
			lcd.print("RIGHT ");
			break;
			}
			case btnLEFT:
			{
			lcd.print("LEFT ");
			break;
			}
			case btnUP:
			{
			lcd.print("UP ");
			break;
			}
			case btnDOWN:
			{
			lcd.print("DOWN ");
			break;
			}
			case btnSELECT:
			{
			lcd.print("SELECT");
			break;
			}
			case btnNONE:
			{
			lcd.print("NONE ");
			break;
			}
			}
			}

Onnowpurbo: /* Referensi */

2018-02-03T10:27:50Z

Referensi

← Older revision		Revision as of 10:27, 3 February 2018
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	* https://github.com/andygock/DFR_LCD_Keypad/archive/master.zip		* https://github.com/andygock/DFR_LCD_Keypad/archive/master.zip
			* https://www.dfrobot.com/wiki/index.php/Arduino_LCD_KeyPad_Shield_(SKU:_DFR0009)


	==Pranala Menarik==		==Pranala Menarik==

Onnowpurbo at 10:25, 3 February 2018

2018-02-03T10:25:27Z

← Older revision		Revision as of 10:25, 3 February 2018
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	[[File:LCD Keybrd1-700x700.jpg\|center\|~~200px~~\|thumb]]		[[File:LCD Keybrd1-700x700.jpg\|center\|400px\|thumb]]

			[[File:FKUA4JDITKJE7UI.LARGE.jpg\|center\|400px\|thumb]]


			==Referensi==

			* https://github.com/andygock/DFR_LCD_Keypad/archive/master.zip



			==Pranala Menarik==

Onnowpurbo: Created page with "thumb"

2018-02-03T10:20:50Z

Created page with "center|200px|thumb"

New page

[[File:LCD Keybrd1-700x700.jpg|center|200px|thumb]]

← Older revision		Revision as of 10:48, 3 February 2018
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	if (adc_key_in > 1000) return btnNONE; // We make this the 1st option for speed reasons since it will be the most likely result		if (adc_key_in > 1000) return btnNONE; // We make this the 1st option for speed reasons since it will be the most likely result
	// For V1.1 us this threshold		// For V1.1 us this threshold
	if (adc_key_in < 50) return btnRIGHT;		// if (adc_key_in < 50) return btnRIGHT;
	if (adc_key_in < 250) return btnUP;		// if (adc_key_in < 250) return btnUP;
	if (adc_key_in < 450) return btnDOWN;		// if (adc_key_in < 450) return btnDOWN;
	if (adc_key_in < 650) return btnLEFT;		// if (adc_key_in < 650) return btnLEFT;
	if (adc_key_in < 850) return btnSELECT;		// if (adc_key_in < 850) return btnSELECT;

	// For V1.0 comment the other threshold and use the one below:		// For V1.0 comment the other threshold and use the one below:
	/*
	if (adc_key_in < 50) return btnRIGHT;		if (adc_key_in < 50) return btnRIGHT;
	if (adc_key_in < 195) return btnUP;		if (adc_key_in < 195) return btnUP;
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	if (adc_key_in < 555) return btnLEFT;		if (adc_key_in < 555) return btnLEFT;
	if (adc_key_in < 790) return btnSELECT;		if (adc_key_in < 790) return btnSELECT;
	*/


	return btnNONE; // when all others fail, return this...		return btnNONE; // when all others fail, return this...
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	}		}
	}		}




	==Referensi==		==Referensi==