Z-0234 - Revision history

Yoyojacky: /* 1602 Serial LCD Module Display */

2023-04-18T06:48:15Z

1602 Serial LCD Module Display

← Older revision		Revision as of 14:48, 18 April 2023
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	==1602 Serial LCD Module Display==		==1602 Serial LCD Module Display==
	[[File:Lcd1602blue01.jpg\|300px\|right]]		[[File:Lcd1602blue01.jpg\|300px\|right]]
			* <font color=red>Purchase URL [ https://52pi.com/products/52pi-i2c-1602-lcd-display-module-16x2-character-serial-blue-yellow-backlight-lcd-module ]</font>

	==Description==		==Description==

Yoyojacky: /* Description */

2022-07-04T06:06:04Z

Description

← Older revision		Revision as of 14:06, 4 July 2022
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	==Description==		==Description==
	As we know, the ~~CD1602~~ is an industrial character LCD that can display 16x02 or 32 characters at the same time. <br>		As we know, the LCD1602 is an industrial character LCD that can display 16x02 or 32 characters at the same time. <br>
	The principle of the LCD1602 liquid crystal display is to use the physical characteristics of the liquid crystal to control the display area by voltage, <br>		The principle of the LCD1602 liquid crystal display is to use the physical characteristics of the liquid crystal to control the display area by voltage, <br>
	that is, the graphic can be displayed.<br>		that is, the graphic can be displayed.<br>

Yoyojacky: /* Features */

2022-05-27T09:21:56Z

Features

← Older revision		Revision as of 17:21, 27 May 2022
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	NOTE: After continuous iteration, the new product has updated the address of the register. At present, the address of the latest product is 0x3F, and the original old version is 0x2F. For the difference method, please check that the silk screen of the adapter board on the back contains MH as the new version, and the distance between the sliding rheostat The bottom pad space is larger.		NOTE: After continuous iteration, the new product has updated the address of the register. At present, the address of the latest product is 0x3F, and the original old version is 0x2F. For the difference method, please check that the silk screen of the adapter board on the back contains MH as the new version, and the distance between the sliding rheostat The bottom pad space is larger.
	</pre>		</pre>
			[[File:Compations.jpeg\|left\|800px]]
			<br style="clear:both;">

	==Package include==		==Package include==

Yoyojacky: /* Features */

2022-05-27T06:13:49Z

Features

← Older revision		Revision as of 14:13, 27 May 2022
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	* Blue backlight		* Blue backlight
	* Power supply: 5v		* Power supply: 5v
	* I2C address is: new version is ~~0x3f~~, Old version is 0x27		* I2C address is: new version is 0x3F, Old version is 0x27
	<pre>		<pre>
	NOTE: After continuous iteration, the new product has updated the address of the register. At present, the address of the latest product is 0x3F, and the original old version is 0x2F. For the difference method, please check that the silk screen of the adapter board on the back contains MH as the new version, and the distance between the sliding rheostat The bottom pad space is larger.		NOTE: After continuous iteration, the new product has updated the address of the register. At present, the address of the latest product is 0x3F, and the original old version is 0x2F. For the difference method, please check that the silk screen of the adapter board on the back contains MH as the new version, and the distance between the sliding rheostat The bottom pad space is larger.

Yoyojacky: /* How to program it in Arduino */

2022-05-27T06:07:28Z

How to program it in Arduino

@@ Line 50: / Line 50: @@
 [[File:Lcd1602blue03.jpg | 300px | center ]]
 <br style="clear:both;">
 ==How to program it in Arduino==
 * 1.Download the LiquidCrystal_I2C library

Yoyojacky: /* How to program it in Arduino */

2022-05-27T06:04:01Z

How to program it in Arduino

← Older revision		Revision as of 14:04, 27 May 2022
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	#include <LiquidCrystal_I2C.h>		#include <LiquidCrystal_I2C.h>

	LiquidCrystal_I2C lcd(0x27, 16, 2); // set the LCD address to 0x27 ~~for a 16 chars and 2 line display~~		LiquidCrystal_I2C lcd(0x27, 16, 2); // set the LCD address to 0x27, if new version please use 0x3F instead.

	void setup()		void setup()
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	}		}
	</pre>		</pre>

	==How to program it on Raspberry Pi==		==How to program it on Raspberry Pi==
	* ENABLE I2C ON THE PI		* ENABLE I2C ON THE PI

Yoyojacky: /* Features */

2022-05-27T05:58:03Z

Features

← Older revision		Revision as of 13:58, 27 May 2022
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	* Blue backlight		* Blue backlight
	* Power supply: 5v		* Power supply: 5v
	* I2C address is: 0x27		* I2C address is: new version is 0x3f, Old version is 0x27
			<pre>
			NOTE: After continuous iteration, the new product has updated the address of the register. At present, the address of the latest product is 0x3F, and the original old version is 0x2F. For the difference method, please check that the silk screen of the adapter board on the back contains MH as the new version, and the distance between the sliding rheostat The bottom pad space is larger.
			</pre>

	==Package include==		==Package include==

Yoyojacky: Yoyojacky moved page 1602 Serial LCD Module Display SKU:Z-0234 to Z-0234

2021-08-27T10:52:34Z

Yoyojacky moved page 1602 Serial LCD Module Display SKU:Z-0234 to Z-0234

← Older revision	Revision as of 18:52, 27 August 2021
(No difference)

Yoyojacky: /* How to program it on Raspberry Pi */

2019-01-22T11:03:04Z

How to program it on Raspberry Pi

← Older revision		Revision as of 19:03, 22 January 2019
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	I2CBUS = 1		I2CBUS = 1
	</pre>		</pre>
	* Write to display		==Write to display==
	The following is a bare minimum “Hello World!” program to demonstrate how to initialize the LCD:<br>		The following is a bare minimum “Hello World!” program to demonstrate how to initialize the LCD:<br>
	<pre>		<pre>
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	mylcd.lcd_display_string("Hello World!", 1)		mylcd.lcd_display_string("Hello World!", 1)
	</pre>		</pre>
	* POSITION THE TEXT		[[File:Lcd1602exp.jpg\|left\|500px]]
			<br style="clear:both;">
			==POSITION THE TEXT==
	The function mylcd.lcd_display_string() prints text to the screen and also lets chose where to position it.<br>		The function mylcd.lcd_display_string() prints text to the screen and also lets chose where to position it.<br>
	The function is used as mylcd.lcd_display_string(“TEXT TO PRINT”, ROW, COLUMN). <br>		The function is used as mylcd.lcd_display_string(“TEXT TO PRINT”, ROW, COLUMN). <br>
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	So to print “Hello World!” at the first column of the top row, you would use: <br>		So to print “Hello World!” at the first column of the top row, you would use: <br>
	<code>mylcd.lcd_display_string(“Hello World!”, 1, 0)</code><br>		<code>mylcd.lcd_display_string(“Hello World!”, 1, 0)</code><br>
	* CLEAR THE SCREEN		==CLEAR THE SCREEN==
	The function mylcd.lcd_clear() clears the screen:<br>		The function mylcd.lcd_clear() clears the screen:<br>
	<pre>		<pre>
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	</pre>		</pre>
	----		----
	* BLINKING TEXT		==BLINKING TEXT==
	We can use a simple while loop with the mylcd.lcd_display_string() and mylcd.lcd_clear() functions to create a continuous blinking text effect:<br>		We can use a simple while loop with the mylcd.lcd_display_string() and mylcd.lcd_clear() functions to create a continuous blinking text effect:<br>
	<pre>		<pre>
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	You can use the time.sleep() function on line 7 to change the time (in seconds) the text stays on.<br>The time the text stays off can be changed in the time.sleep() function on line 9.<br>To end the program, press Ctrl-C.		You can use the time.sleep() function on line 7 to change the time (in seconds) the text stays on.<br>The time the text stays off can be changed in the time.sleep() function on line 9.<br>To end the program, press Ctrl-C.

	* PRINT THE DATE AND TIME		==PRINT THE DATE AND TIME==
	The following program prints the current date and time to the LCD:<br>		The following program prints the current date and time to the LCD:<br>
	<pre>		<pre>
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	mylcd.lcd_display_string("Date: %s" %time.strftime("%m/%d/%Y"), 2)		mylcd.lcd_display_string("Date: %s" %time.strftime("%m/%d/%Y"), 2)
	</pre>		</pre>
	* PRINT YOUR IP ADDRESS		==PRINT YOUR IP ADDRESS==
	This code prints the IP address of your ethernet connection (eth0).<br>		This code prints the IP address of your ethernet connection (eth0).<br>
	To print the IP of your WiFi connection, change eth0 to wlan0 in line 18:<br>		To print the IP of your WiFi connection, change eth0 to wlan0 in line 18:<br>
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	mylcd.lcd_display_string(get_ip_address('eth0'), 2)		mylcd.lcd_display_string(get_ip_address('eth0'), 2)
	</pre>		</pre>
	~~----~~		==SCROLL TEXT RIGHT TO LEFT CONTINUOUSLY==
	* SCROLL TEXT RIGHT TO LEFT CONTINUOUSLY
	This program will scroll a text string from the right side of the LCD to the left side and loop continuously:<br>		This program will scroll a text string from the right side of the LCD to the left side and loop continuously:<br>
	<pre>		<pre>
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	</pre>		</pre>
	----		----
	* SCROLL TEXT RIGHT TO LEFT ONCE		==SCROLL TEXT RIGHT TO LEFT ONCE==
	The following code slides text onto the screen from right to left once, then stops and leaves a cleared screen.<br>		The following code slides text onto the screen from right to left once, then stops and leaves a cleared screen.<br>
	<pre>		<pre>
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	</pre>		</pre>
	----		----
	* SCROLL TEXT LEFT TO RIGHT ONCE		==SCROLL TEXT LEFT TO RIGHT ONCE==
	This program slides text onto the screen from left to right once, then stops and leaves the first 16 characters of the text string on the screen.<br>		This program slides text onto the screen from left to right once, then stops and leaves the first 16 characters of the text string on the screen.<br>
	<pre>		<pre>
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	</pre>		</pre>
	----		----
	* CUSTOM CHARACTERS		==CUSTOM CHARACTERS==
	You can create any pattern you want and print it to the display as a custom character. <br>		You can create any pattern you want and print it to the display as a custom character. <br>
	Each character is an array of 5 x 8 pixels. <br>		Each character is an array of 5 x 8 pixels. <br>
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	link: [ https://omerk.github.io/lcdchargen/ \|custom character generator ]<br>		link: [ https://omerk.github.io/lcdchargen/ \|custom character generator ]<br>

	* PRINTING A SINGLE CUSTOM CHARACTER		==PRINTING A SINGLE CUSTOM CHARACTER==
	The following code generates a “<” character:<br>		The following code generates a “<” character:<br>
	<pre>		<pre>
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	mylcd.lcd_write_char(0)		mylcd.lcd_write_char(0)
	</pre>		</pre>
	* PRINTING MULTIPLE CUSTOM CHARACTERS		==PRINTING MULTIPLE CUSTOM CHARACTERS==
	This program prints a large right pointing arrow (→) to the screen:<br>		This program prints a large right pointing arrow (→) to the screen:<br>
	<pre>		<pre>
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	mylcd.lcd_write_char(5)		mylcd.lcd_write_char(5)
	</pre>		</pre>
	* PRINT DATA FROM A SENSOR		==PRINT DATA FROM A SENSOR==
	The code below will display data from a DHT11 temperature and humidity sensor. <br>		The code below will display data from a DHT11 temperature and humidity sensor. <br>
	Follow this tutorial for instructions on how to set up the DHT11 on the Raspberry Pi. <br>		Follow this tutorial for instructions on how to set up the DHT11 on the Raspberry Pi. <br>

Yoyojacky: /* Description */

2019-01-22T10:55:54Z

Description

← Older revision		Revision as of 18:55, 22 January 2019
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	It can be operated as long as it supports the I2C development board.<br>		It can be operated as long as it supports the I2C development board.<br>
	For example, the common Arduino, raspberry pi, Stm32 and so on.<br>		For example, the common Arduino, raspberry pi, Stm32 and so on.<br>

	==Features==		==Features==
	* Easy to use. [[File:Lcd1602blue02.jpg\|right\|300px]]		* Easy to use. [[File:Lcd1602blue02.jpg\|right\|300px]]