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lcd module manufacturer
 Demonstrates the use a 16×2 LCD display.  The LiquidCrystal
 library works with all LCD displays that are compatible with the
 Hitachi HD44780 driver. There are many of them out there, and you
 can usually tell them by the 16-pin interface.
 This sketch prints “Hello World!” to the LCD
 and shows the time.
  The circuit:
 * LCD RS pin to digital pin 12
 * LCD Enable pin to digital pin 11
 * LCD D4 pin to digital pin 5
 * LCD D5 pin to digital pin 4
 * LCD D6 pin to digital pin 3
 * LCD D7 pin to digital pin 2
 * LCD R/W pin to ground
 * LCD VSS pin to ground
 * LCD VCC pin to 5V
 * 10K resistor:
 * ends to +5V and ground
 * wiper to LCD VO pin (pin 3)
 Library originally added 18 Apr 2008
 by David A. Mellis
 library modified 5 Jul 2009
 by Limor Fried (http://www.ladyada.net)
 example added 9 Jul 2009
 by Tom Igoe
 modified 22 Nov 2010
 by Tom Igoe
 modified 7 Nov 2016
 by Arturo Guadalupi
 This example code is in the public domain.
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  • After years of development, in order to better integrate the company’s resources and provide customers with the most advantageous products, in 2016, all the Shenzhen production lines were relocated to Yongzhou, Hunan province. At present, Shenzhen office and Hunan factory have a total of more than 500 employees, with more than 20,000 square meters of standard clean plant.
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     Demonstrates the use a 16x2 LCD display.  The LiquidCrystal  library works with all LCD displays that are compatible with the  Hitachi HD44780 driver. There are many of them out there, and you  can usually tell them by the 16-pin interface.  This sketch prints "Hello World!" to the LCD  and shows the time.   The circuit:  * LCD RS pin to digital pin 12  * LCD Enable pin to digital pin 11  * LCD D4 pin to digital pin 5  * LCD D5 pin to digital pin 4  * LCD D6 pin to digital pin 3  * LCD D7 pin to digital pin 2  * LCD R/W pin to ground  * LCD VSS pin to ground  * LCD VCC pin to 5V  * 10K resistor:  * ends to +5V and ground  * wiper to LCD VO pin (pin 3)  Library originally added 18 Apr 2008  by David A. Mellis  library modified 5 Jul 2009  by Limor Fried (http://www.ladyada.net)  example added 9...
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