Add 20x4 option for Sainsmart LCD (#9740)

.travis.yml

   # Most I2C configurations are failing at the moment because they require
   # a different Liquid Crystal library "LiquidTWI2".
   #
-  # LCD_I2C_SAINSMART_YWROBOT
+  # LCD_SAINSMART_I2C_1602
   #
   #- restore_configs
-  #- opt_enable LCD_I2C_SAINSMART_YWROBOT
+  #- opt_enable LCD_SAINSMART_I2C_1602
   #- build_marlin_pio ${TRAVIS_BUILD_DIR} ${TEST_PLATFORM}
   #
   # LCD_I2C_PANELOLU2

Marlin/Configuration.h

 //#define RA_CONTROL_PANEL
 
 //
-// Sainsmart YW Robot (LCM1602) LCD Display
+// Sainsmart (YwRobot) LCD Displays
 //
-// Note: This controller requires F.Malpartida's LiquidCrystal_I2C library
+// These require F.Malpartida's LiquidCrystal_I2C library
 // https://bitbucket.org/fmalpartida/new-liquidcrystal/wiki/Home
 //
-//#define LCD_I2C_SAINSMART_YWROBOT
+//#define LCD_SAINSMART_I2C_1602
+//#define LCD_SAINSMART_I2C_2004
 
 //
 // Generic LCM1602 LCD adapter

Marlin/src/config/default/Configuration.h

 //#define RA_CONTROL_PANEL
 
 //
-// Sainsmart YW Robot (LCM1602) LCD Display
+// Sainsmart (YwRobot) LCD Displays
 //
-// Note: This controller requires F.Malpartida's LiquidCrystal_I2C library
+// These require F.Malpartida's LiquidCrystal_I2C library
 // https://bitbucket.org/fmalpartida/new-liquidcrystal/wiki/Home
 //
-//#define LCD_I2C_SAINSMART_YWROBOT
+//#define LCD_SAINSMART_I2C_1602
+//#define LCD_SAINSMART_I2C_2004
 
 //
 // Generic LCM1602 LCD adapter

Marlin/src/config/examples/AlephObjects/TAZ4/Configuration.h

 //#define RA_CONTROL_PANEL
 
 //
-// Sainsmart YW Robot (LCM1602) LCD Display
+// Sainsmart (YwRobot) LCD Displays
 //
-// Note: This controller requires F.Malpartida's LiquidCrystal_I2C library
+// These require F.Malpartida's LiquidCrystal_I2C library
 // https://bitbucket.org/fmalpartida/new-liquidcrystal/wiki/Home
 //
-//#define LCD_I2C_SAINSMART_YWROBOT
+//#define LCD_SAINSMART_I2C_1602
+//#define LCD_SAINSMART_I2C_2004
 
 //
 // Generic LCM1602 LCD adapter

Marlin/src/config/examples/AliExpress/CL-260/Configuration.h

 //#define RA_CONTROL_PANEL
 
 //
-// Sainsmart YW Robot (LCM1602) LCD Display
+// Sainsmart (YwRobot) LCD Displays
 //
-// Note: This controller requires F.Malpartida's LiquidCrystal_I2C library
+// These require F.Malpartida's LiquidCrystal_I2C library
 // https://bitbucket.org/fmalpartida/new-liquidcrystal/wiki/Home
 //
-//#define LCD_I2C_SAINSMART_YWROBOT
+//#define LCD_SAINSMART_I2C_1602
+//#define LCD_SAINSMART_I2C_2004
 
 //
 // Generic LCM1602 LCD adapter

Marlin/src/config/examples/Anet/A6/Configuration.h

 //#define RA_CONTROL_PANEL
 
 //
-// Sainsmart YW Robot (LCM1602) LCD Display
+// Sainsmart (YwRobot) LCD Displays
 //
-// Note: This controller requires F.Malpartida's LiquidCrystal_I2C library
+// These require F.Malpartida's LiquidCrystal_I2C library
 // https://bitbucket.org/fmalpartida/new-liquidcrystal/wiki/Home
 //
-//#define LCD_I2C_SAINSMART_YWROBOT
+//#define LCD_SAINSMART_I2C_1602
+//#define LCD_SAINSMART_I2C_2004
 
 //
 // Generic LCM1602 LCD adapter

Marlin/src/config/examples/Anet/A8/Configuration.h

 //#define RA_CONTROL_PANEL
 
 //
-// Sainsmart YW Robot (LCM1602) LCD Display
+// Sainsmart (YwRobot) LCD Displays
 //
-// Note: This controller requires F.Malpartida's LiquidCrystal_I2C library
+// These require F.Malpartida's LiquidCrystal_I2C library
 // https://bitbucket.org/fmalpartida/new-liquidcrystal/wiki/Home
 //
-//#define LCD_I2C_SAINSMART_YWROBOT
+//#define LCD_SAINSMART_I2C_1602
+//#define LCD_SAINSMART_I2C_2004
 
 //
 // Generic LCM1602 LCD adapter

Marlin/src/config/examples/Azteeg/X5GT/Configuration.h

 //#define RA_CONTROL_PANEL
 
 //
-// Sainsmart YW Robot (LCM1602) LCD Display
+// Sainsmart (YwRobot) LCD Displays
 //
-// Note: This controller requires F.Malpartida's LiquidCrystal_I2C library
+// These require F.Malpartida's LiquidCrystal_I2C library
 // https://bitbucket.org/fmalpartida/new-liquidcrystal/wiki/Home
 //
-//#define LCD_I2C_SAINSMART_YWROBOT
+//#define LCD_SAINSMART_I2C_1602
+//#define LCD_SAINSMART_I2C_2004
 
 //
 // Generic LCM1602 LCD adapter

Marlin/src/config/examples/BIBO/TouchX/cyclops/Configuration.h

 //#define RA_CONTROL_PANEL
 
 //
-// Sainsmart YW Robot (LCM1602) LCD Display
+// Sainsmart (YwRobot) LCD Displays
 //
-// Note: This controller requires F.Malpartida's LiquidCrystal_I2C library
+// These require F.Malpartida's LiquidCrystal_I2C library
 // https://bitbucket.org/fmalpartida/new-liquidcrystal/wiki/Home
 //
-//#define LCD_I2C_SAINSMART_YWROBOT
+//#define LCD_SAINSMART_I2C_1602
+//#define LCD_SAINSMART_I2C_2004
 
 //
 // Generic LCM1602 LCD adapter

Marlin/src/config/examples/BIBO/TouchX/default/Configuration.h

 //#define RA_CONTROL_PANEL
 
 //
-// Sainsmart YW Robot (LCM1602) LCD Display
+// Sainsmart (YwRobot) LCD Displays
 //
-// Note: This controller requires F.Malpartida's LiquidCrystal_I2C library
+// These require F.Malpartida's LiquidCrystal_I2C library
 // https://bitbucket.org/fmalpartida/new-liquidcrystal/wiki/Home
 //
-//#define LCD_I2C_SAINSMART_YWROBOT
+//#define LCD_SAINSMART_I2C_1602
+//#define LCD_SAINSMART_I2C_2004
 
 //
 // Generic LCM1602 LCD adapter

Marlin/src/config/examples/BQ/Hephestos/Configuration.h

 //#define RA_CONTROL_PANEL
 
 //
-// Sainsmart YW Robot (LCM1602) LCD Display
+// Sainsmart (YwRobot) LCD Displays
 //
-// Note: This controller requires F.Malpartida's LiquidCrystal_I2C library
+// These require F.Malpartida's LiquidCrystal_I2C library
 // https://bitbucket.org/fmalpartida/new-liquidcrystal/wiki/Home
 //
-//#define LCD_I2C_SAINSMART_YWROBOT
+//#define LCD_SAINSMART_I2C_1602
+//#define LCD_SAINSMART_I2C_2004
 
 //
 // Generic LCM1602 LCD adapter

Marlin/src/config/examples/BQ/Hephestos_2/Configuration.h

 //#define RA_CONTROL_PANEL
 
 //
-// Sainsmart YW Robot (LCM1602) LCD Display
+// Sainsmart (YwRobot) LCD Displays
 //
-// Note: This controller requires F.Malpartida's LiquidCrystal_I2C library
+// These require F.Malpartida's LiquidCrystal_I2C library
 // https://bitbucket.org/fmalpartida/new-liquidcrystal/wiki/Home
 //
-//#define LCD_I2C_SAINSMART_YWROBOT
+//#define LCD_SAINSMART_I2C_1602
+//#define LCD_SAINSMART_I2C_2004
 
 //
 // Generic LCM1602 LCD adapter

Marlin/src/config/examples/BQ/WITBOX/Configuration.h

 //#define RA_CONTROL_PANEL
 
 //
-// Sainsmart YW Robot (LCM1602) LCD Display
+// Sainsmart (YwRobot) LCD Displays
 //
-// Note: This controller requires F.Malpartida's LiquidCrystal_I2C library
+// These require F.Malpartida's LiquidCrystal_I2C library
 // https://bitbucket.org/fmalpartida/new-liquidcrystal/wiki/Home
 //
-//#define LCD_I2C_SAINSMART_YWROBOT
+//#define LCD_SAINSMART_I2C_1602
+//#define LCD_SAINSMART_I2C_2004
 
 //
 // Generic LCM1602 LCD adapter

Marlin/src/config/examples/Cartesio/Configuration.h

 //#define RA_CONTROL_PANEL
 
 //
-// Sainsmart YW Robot (LCM1602) LCD Display
+// Sainsmart (YwRobot) LCD Displays
 //
-// Note: This controller requires F.Malpartida's LiquidCrystal_I2C library
+// These require F.Malpartida's LiquidCrystal_I2C library
 // https://bitbucket.org/fmalpartida/new-liquidcrystal/wiki/Home
 //
-//#define LCD_I2C_SAINSMART_YWROBOT
+//#define LCD_SAINSMART_I2C_1602
+//#define LCD_SAINSMART_I2C_2004
 
 //
 // Generic LCM1602 LCD adapter

Marlin/src/config/examples/Creality/CR-10/Configuration.h

 //#define RA_CONTROL_PANEL
 
 //
-// Sainsmart YW Robot (LCM1602) LCD Display
+// Sainsmart (YwRobot) LCD Displays
 //
-// Note: This controller requires F.Malpartida's LiquidCrystal_I2C library
+// These require F.Malpartida's LiquidCrystal_I2C library
 // https://bitbucket.org/fmalpartida/new-liquidcrystal/wiki/Home
 //
-//#define LCD_I2C_SAINSMART_YWROBOT
+//#define LCD_SAINSMART_I2C_1602
+//#define LCD_SAINSMART_I2C_2004
 
 //
 // Generic LCM1602 LCD adapter

Marlin/src/config/examples/Creality/CR-10S/Configuration.h

 //#define RA_CONTROL_PANEL
 
 //
-// Sainsmart YW Robot (LCM1602) LCD Display
+// Sainsmart (YwRobot) LCD Displays
 //
-// Note: This controller requires F.Malpartida's LiquidCrystal_I2C library
+// These require F.Malpartida's LiquidCrystal_I2C library
 // https://bitbucket.org/fmalpartida/new-liquidcrystal/wiki/Home
 //
-//#define LCD_I2C_SAINSMART_YWROBOT
+//#define LCD_SAINSMART_I2C_1602
+//#define LCD_SAINSMART_I2C_2004
 
 //
 // Generic LCM1602 LCD adapter

Marlin/src/config/examples/Creality/Ender/Configuration.h

 //#define RA_CONTROL_PANEL
 
 //
-// Sainsmart YW Robot (LCM1602) LCD Display
+// Sainsmart (YwRobot) LCD Displays
 //
-// Note: This controller requires F.Malpartida's LiquidCrystal_I2C library
+// These require F.Malpartida's LiquidCrystal_I2C library
 // https://bitbucket.org/fmalpartida/new-liquidcrystal/wiki/Home
 //
-//#define LCD_I2C_SAINSMART_YWROBOT
+//#define LCD_SAINSMART_I2C_1602
+//#define LCD_SAINSMART_I2C_2004
 
 //
 // Generic LCM1602 LCD adapter

Marlin/src/config/examples/Felix/Configuration.h

 //#define RA_CONTROL_PANEL
 
 //
-// Sainsmart YW Robot (LCM1602) LCD Display
+// Sainsmart (YwRobot) LCD Displays
 //
-// Note: This controller requires F.Malpartida's LiquidCrystal_I2C library
+// These require F.Malpartida's LiquidCrystal_I2C library
 // https://bitbucket.org/fmalpartida/new-liquidcrystal/wiki/Home
 //
-//#define LCD_I2C_SAINSMART_YWROBOT
+//#define LCD_SAINSMART_I2C_1602
+//#define LCD_SAINSMART_I2C_2004
 
 //
 // Generic LCM1602 LCD adapter

Marlin/src/config/examples/Felix/DUAL/Configuration.h

 //#define RA_CONTROL_PANEL
 
 //
-// Sainsmart YW Robot (LCM1602) LCD Display
+// Sainsmart (YwRobot) LCD Displays
 //
-// Note: This controller requires F.Malpartida's LiquidCrystal_I2C library
+// These require F.Malpartida's LiquidCrystal_I2C library
 // https://bitbucket.org/fmalpartida/new-liquidcrystal/wiki/Home
 //
-//#define LCD_I2C_SAINSMART_YWROBOT
+//#define LCD_SAINSMART_I2C_1602
+//#define LCD_SAINSMART_I2C_2004
 
 //
 // Generic LCM1602 LCD adapter

Marlin/src/config/examples/FolgerTech/i3-2020/Configuration.h

 //#define RA_CONTROL_PANEL
 
 //
-// Sainsmart YW Robot (LCM1602) LCD Display
+// Sainsmart (YwRobot) LCD Displays
 //
-// Note: This controller requires F.Malpartida's LiquidCrystal_I2C library
+// These require F.Malpartida's LiquidCrystal_I2C library
 // https://bitbucket.org/fmalpartida/new-liquidcrystal/wiki/Home
 //
-//#define LCD_I2C_SAINSMART_YWROBOT
+//#define LCD_SAINSMART_I2C_1602
+//#define LCD_SAINSMART_I2C_2004
 
 //
 // Generic LCM1602 LCD adapter

Marlin/src/config/examples/Geeetech/GT2560/Configuration.h

 //#define RA_CONTROL_PANEL
 
 //
-// Sainsmart YW Robot (LCM1602) LCD Display
+// Sainsmart (YwRobot) LCD Displays
 //
-// Note: This controller requires F.Malpartida's LiquidCrystal_I2C library
+// These require F.Malpartida's LiquidCrystal_I2C library
 // https://bitbucket.org/fmalpartida/new-liquidcrystal/wiki/Home
 //
-//#define LCD_I2C_SAINSMART_YWROBOT
+//#define LCD_SAINSMART_I2C_1602
+//#define LCD_SAINSMART_I2C_2004
 
 //
 // Generic LCM1602 LCD adapter

Marlin/src/config/examples/Geeetech/I3_Pro_X-GT2560/Configuration.h

 //#define RA_CONTROL_PANEL
 
 //
-// Sainsmart YW Robot (LCM1602) LCD Display
+// Sainsmart (YwRobot) LCD Displays
 //
-// Note: This controller requires F.Malpartida's LiquidCrystal_I2C library
+// These require F.Malpartida's LiquidCrystal_I2C library
 // https://bitbucket.org/fmalpartida/new-liquidcrystal/wiki/Home
 //
-//#define LCD_I2C_SAINSMART_YWROBOT
+//#define LCD_SAINSMART_I2C_1602
+//#define LCD_SAINSMART_I2C_2004
 
 //
 // Generic LCM1602 LCD adapter

Marlin/src/config/examples/Geeetech/Prusa i3 Pro B/bltouch/Configuration.h

 //#define RA_CONTROL_PANEL
 
 //
-// Sainsmart YW Robot (LCM1602) LCD Display
+// Sainsmart (YwRobot) LCD Displays
 //
-// Note: This controller requires F.Malpartida's LiquidCrystal_I2C library
+// These require F.Malpartida's LiquidCrystal_I2C library
 // https://bitbucket.org/fmalpartida/new-liquidcrystal/wiki/Home
 //
-//#define LCD_I2C_SAINSMART_YWROBOT
+//#define LCD_SAINSMART_I2C_1602
+//#define LCD_SAINSMART_I2C_2004
 
 //
 // Generic LCM1602 LCD adapter

Marlin/src/config/examples/Geeetech/Prusa i3 Pro B/noprobe/Configuration.h

 //#define RA_CONTROL_PANEL
 
 //
-// Sainsmart YW Robot (LCM1602) LCD Display
+// Sainsmart (YwRobot) LCD Displays
 //
-// Note: This controller requires F.Malpartida's LiquidCrystal_I2C library
+// These require F.Malpartida's LiquidCrystal_I2C library
 // https://bitbucket.org/fmalpartida/new-liquidcrystal/wiki/Home
 //
-//#define LCD_I2C_SAINSMART_YWROBOT
+//#define LCD_SAINSMART_I2C_1602
+//#define LCD_SAINSMART_I2C_2004
 
 //
 // Generic LCM1602 LCD adapter

Marlin/src/config/examples/Infitary/i3-M508/Configuration.h

 //#define RA_CONTROL_PANEL
 
 //
-// Sainsmart YW Robot (LCM1602) LCD Display
+// Sainsmart (YwRobot) LCD Displays
 //
-// Note: This controller requires F.Malpartida's LiquidCrystal_I2C library
+// These require F.Malpartida's LiquidCrystal_I2C library
 // https://bitbucket.org/fmalpartida/new-liquidcrystal/wiki/Home
 //
-//#define LCD_I2C_SAINSMART_YWROBOT
+//#define LCD_SAINSMART_I2C_1602
+//#define LCD_SAINSMART_I2C_2004
 
 //
 // Generic LCM1602 LCD adapter

Marlin/src/config/examples/JGAurora/A5/Configuration.h

 //#define RA_CONTROL_PANEL
 
 //
-// Sainsmart YW Robot (LCM1602) LCD Display
+// Sainsmart (YwRobot) LCD Displays
 //
-// Note: This controller requires F.Malpartida's LiquidCrystal_I2C library
+// These require F.Malpartida's LiquidCrystal_I2C library
 // https://bitbucket.org/fmalpartida/new-liquidcrystal/wiki/Home
 //
-//#define LCD_I2C_SAINSMART_YWROBOT
+//#define LCD_SAINSMART_I2C_1602
+//#define LCD_SAINSMART_I2C_2004
 
 //
 // Generic LCM1602 LCD adapter

Marlin/src/config/examples/MakerParts/Configuration.h

 //#define RA_CONTROL_PANEL
 
 //
-// Sainsmart YW Robot (LCM1602) LCD Display
+// Sainsmart (YwRobot) LCD Displays
 //
-// Note: This controller requires F.Malpartida's LiquidCrystal_I2C library
+// These require F.Malpartida's LiquidCrystal_I2C library
 // https://bitbucket.org/fmalpartida/new-liquidcrystal/wiki/Home
 //
-//#define LCD_I2C_SAINSMART_YWROBOT
+//#define LCD_SAINSMART_I2C_1602
+//#define LCD_SAINSMART_I2C_2004
 
 //
 // Generic LCM1602 LCD adapter

Marlin/src/config/examples/Malyan/M150/Configuration.h

 //#define RA_CONTROL_PANEL
 
 //
-// Sainsmart YW Robot (LCM1602) LCD Display
+// Sainsmart (YwRobot) LCD Displays
 //
-// Note: This controller requires F.Malpartida's LiquidCrystal_I2C library
+// These require F.Malpartida's LiquidCrystal_I2C library
 // https://bitbucket.org/fmalpartida/new-liquidcrystal/wiki/Home
 //
-//#define LCD_I2C_SAINSMART_YWROBOT
+//#define LCD_SAINSMART_I2C_1602
+//#define LCD_SAINSMART_I2C_2004
 
 //
 // Generic LCM1602 LCD adapter

Marlin/src/config/examples/Malyan/M200/Configuration.h

 //#define RA_CONTROL_PANEL
 
 //
-// Sainsmart YW Robot (LCM1602) LCD Display
+// Sainsmart (YwRobot) LCD Displays
 //
-// Note: This controller requires F.Malpartida's LiquidCrystal_I2C library
+// These require F.Malpartida's LiquidCrystal_I2C library
 // https://bitbucket.org/fmalpartida/new-liquidcrystal/wiki/Home
 //
-//#define LCD_I2C_SAINSMART_YWROBOT
+//#define LCD_SAINSMART_I2C_1602
+//#define LCD_SAINSMART_I2C_2004
 
 //
 // Generic LCM1602 LCD adapter

Marlin/src/config/examples/Micromake/C1/basic/Configuration.h

 //#define RA_CONTROL_PANEL
 
 //
-// Sainsmart YW Robot (LCM1602) LCD Display
+// Sainsmart (YwRobot) LCD Displays
 //
-// Note: This controller requires F.Malpartida's LiquidCrystal_I2C library
+// These require F.Malpartida's LiquidCrystal_I2C library
 // https://bitbucket.org/fmalpartida/new-liquidcrystal/wiki/Home
 //
-//#define LCD_I2C_SAINSMART_YWROBOT
+//#define LCD_SAINSMART_I2C_1602
+//#define LCD_SAINSMART_I2C_2004
 
 //
 // Generic LCM1602 LCD adapter

Marlin/src/config/examples/Micromake/C1/enhanced/Configuration.h

 //#define RA_CONTROL_PANEL
 
 //
-// Sainsmart YW Robot (LCM1602) LCD Display
+// Sainsmart (YwRobot) LCD Displays
 //
-// Note: This controller requires F.Malpartida's LiquidCrystal_I2C library
+// These require F.Malpartida's LiquidCrystal_I2C library
 // https://bitbucket.org/fmalpartida/new-liquidcrystal/wiki/Home
 //
-//#define LCD_I2C_SAINSMART_YWROBOT
+//#define LCD_SAINSMART_I2C_1602
+//#define LCD_SAINSMART_I2C_2004
 
 //
 // Generic LCM1602 LCD adapter

Marlin/src/config/examples/Mks/Sbase/Configuration.h

 //#define RA_CONTROL_PANEL
 
 //
-// Sainsmart YW Robot (LCM1602) LCD Display
+// Sainsmart (YwRobot) LCD Displays
 //
-// Note: This controller requires F.Malpartida's LiquidCrystal_I2C library
+// These require F.Malpartida's LiquidCrystal_I2C library
 // https://bitbucket.org/fmalpartida/new-liquidcrystal/wiki/Home
 //
-//#define LCD_I2C_SAINSMART_YWROBOT
+//#define LCD_SAINSMART_I2C_1602
+//#define LCD_SAINSMART_I2C_2004
 
 //
 // Generic LCM1602 LCD adapter

Marlin/src/config/examples/RepRapWorld/Megatronics/Configuration.h

 //#define RA_CONTROL_PANEL
 
 //
-// Sainsmart YW Robot (LCM1602) LCD Display
+// Sainsmart (YwRobot) LCD Displays
 //
-// Note: This controller requires F.Malpartida's LiquidCrystal_I2C library
+// These require F.Malpartida's LiquidCrystal_I2C library
 // https://bitbucket.org/fmalpartida/new-liquidcrystal/wiki/Home
 //
-//#define LCD_I2C_SAINSMART_YWROBOT
+//#define LCD_SAINSMART_I2C_1602
+//#define LCD_SAINSMART_I2C_2004
 
 //
 // Generic LCM1602 LCD adapter

Marlin/src/config/examples/RigidBot/Configuration.h

 //#define RA_CONTROL_PANEL
 
 //
-// Sainsmart YW Robot (LCM1602) LCD Display
+// Sainsmart (YwRobot) LCD Displays
 //
-// Note: This controller requires F.Malpartida's LiquidCrystal_I2C library
+// These require F.Malpartida's LiquidCrystal_I2C library
 // https://bitbucket.org/fmalpartida/new-liquidcrystal/wiki/Home
 //
-//#define LCD_I2C_SAINSMART_YWROBOT
+//#define LCD_SAINSMART_I2C_1602
+//#define LCD_SAINSMART_I2C_2004
 
 //
 // Generic LCM1602 LCD adapter

Marlin/src/config/examples/SCARA/Configuration.h

 //#define RA_CONTROL_PANEL
 
 //
-// Sainsmart YW Robot (LCM1602) LCD Display
+// Sainsmart (YwRobot) LCD Displays
 //
-// Note: This controller requires F.Malpartida's LiquidCrystal_I2C library
+// These require F.Malpartida's LiquidCrystal_I2C library
 // https://bitbucket.org/fmalpartida/new-liquidcrystal/wiki/Home
 //
-//#define LCD_I2C_SAINSMART_YWROBOT
+//#define LCD_SAINSMART_I2C_1602
+//#define LCD_SAINSMART_I2C_2004
 
 //
 // Generic LCM1602 LCD adapter

Marlin/src/config/examples/STM32F10/Configuration.h

 //#define RA_CONTROL_PANEL
 
 //
-// Sainsmart YW Robot (LCM1602) LCD Display
+// Sainsmart (YwRobot) LCD Displays
 //
-// Note: This controller requires F.Malpartida's LiquidCrystal_I2C library
+// These require F.Malpartida's LiquidCrystal_I2C library
 // https://bitbucket.org/fmalpartida/new-liquidcrystal/wiki/Home
 //
-//#define LCD_I2C_SAINSMART_YWROBOT
+//#define LCD_SAINSMART_I2C_1602
+//#define LCD_SAINSMART_I2C_2004
 
 //
 // Generic LCM1602 LCD adapter

Marlin/src/config/examples/Sanguinololu/Configuration.h

 //#define RA_CONTROL_PANEL
 
 //
-// Sainsmart YW Robot (LCM1602) LCD Display
+// Sainsmart (YwRobot) LCD Displays
 //
-// Note: This controller requires F.Malpartida's LiquidCrystal_I2C library
+// These require F.Malpartida's LiquidCrystal_I2C library
 // https://bitbucket.org/fmalpartida/new-liquidcrystal/wiki/Home
 //
-//#define LCD_I2C_SAINSMART_YWROBOT
+//#define LCD_SAINSMART_I2C_1602
+//#define LCD_SAINSMART_I2C_2004
 
 //
 // Generic LCM1602 LCD adapter

Marlin/src/config/examples/TheBorg/Configuration.h

 //#define RA_CONTROL_PANEL
 
 //
-// Sainsmart YW Robot (LCM1602) LCD Display
+// Sainsmart (YwRobot) LCD Displays
 //
-// Note: This controller requires F.Malpartida's LiquidCrystal_I2C library
+// These require F.Malpartida's LiquidCrystal_I2C library
 // https://bitbucket.org/fmalpartida/new-liquidcrystal/wiki/Home
 //
-//#define LCD_I2C_SAINSMART_YWROBOT
+//#define LCD_SAINSMART_I2C_1602
+//#define LCD_SAINSMART_I2C_2004
 
 //
 // Generic LCM1602 LCD adapter

Marlin/src/config/examples/TinyBoy2/Configuration.h

 //#define RA_CONTROL_PANEL
 
 //
-// Sainsmart YW Robot (LCM1602) LCD Display
+// Sainsmart (YwRobot) LCD Displays
 //
-// Note: This controller requires F.Malpartida's LiquidCrystal_I2C library
+// These require F.Malpartida's LiquidCrystal_I2C library
 // https://bitbucket.org/fmalpartida/new-liquidcrystal/wiki/Home
 //
-//#define LCD_I2C_SAINSMART_YWROBOT
+//#define LCD_SAINSMART_I2C_1602
+//#define LCD_SAINSMART_I2C_2004
 
 //
 // Generic LCM1602 LCD adapter

Marlin/src/config/examples/Tronxy/X1/Configuration.h

 //#define RA_CONTROL_PANEL
 
 //
-// Sainsmart YW Robot (LCM1602) LCD Display
+// Sainsmart (YwRobot) LCD Displays
 //
-// Note: This controller requires F.Malpartida's LiquidCrystal_I2C library
+// These require F.Malpartida's LiquidCrystal_I2C library
 // https://bitbucket.org/fmalpartida/new-liquidcrystal/wiki/Home
 //
-//#define LCD_I2C_SAINSMART_YWROBOT
+//#define LCD_SAINSMART_I2C_1602
+//#define LCD_SAINSMART_I2C_2004
 
 //
 // Generic LCM1602 LCD adapter

Marlin/src/config/examples/Tronxy/X5S/Configuration.h

 //#define RA_CONTROL_PANEL
 
 //
-// Sainsmart YW Robot (LCM1602) LCD Display
+// Sainsmart (YwRobot) LCD Displays
 //
-// Note: This controller requires F.Malpartida's LiquidCrystal_I2C library
+// These require F.Malpartida's LiquidCrystal_I2C library
 // https://bitbucket.org/fmalpartida/new-liquidcrystal/wiki/Home
 //
-//#define LCD_I2C_SAINSMART_YWROBOT
+//#define LCD_SAINSMART_I2C_1602
+//#define LCD_SAINSMART_I2C_2004
 
 //
 // Generic LCM1602 LCD adapter

Marlin/src/config/examples/Tronxy/XY100/Configuration.h

 //#define RA_CONTROL_PANEL
 
 //
-// Sainsmart YW Robot (LCM1602) LCD Display
+// Sainsmart (YwRobot) LCD Displays
 //
-// Note: This controller requires F.Malpartida's LiquidCrystal_I2C library
+// These require F.Malpartida's LiquidCrystal_I2C library
 // https://bitbucket.org/fmalpartida/new-liquidcrystal/wiki/Home
 //
-//#define LCD_I2C_SAINSMART_YWROBOT
+//#define LCD_SAINSMART_I2C_1602
+//#define LCD_SAINSMART_I2C_2004
 
 //
 // Generic LCM1602 LCD adapter

Marlin/src/config/examples/UltiMachine/Archim2/Configuration.h

 //#define RA_CONTROL_PANEL
 
 //
-// Sainsmart YW Robot (LCM1602) LCD Display
+// Sainsmart (YwRobot) LCD Displays
 //
-// Note: This controller requires F.Malpartida's LiquidCrystal_I2C library
+// These require F.Malpartida's LiquidCrystal_I2C library
 // https://bitbucket.org/fmalpartida/new-liquidcrystal/wiki/Home
 //
-//#define LCD_I2C_SAINSMART_YWROBOT
+//#define LCD_SAINSMART_I2C_1602
+//#define LCD_SAINSMART_I2C_2004
 
 //
 // Generic LCM1602 LCD adapter

Marlin/src/config/examples/Velleman/K8200/Configuration.h

 //#define RA_CONTROL_PANEL
 
 //
-// Sainsmart YW Robot (LCM1602) LCD Display
+// Sainsmart (YwRobot) LCD Displays
 //
-// Note: This controller requires F.Malpartida's LiquidCrystal_I2C library
+// These require F.Malpartida's LiquidCrystal_I2C library
 // https://bitbucket.org/fmalpartida/new-liquidcrystal/wiki/Home
 //
-//#define LCD_I2C_SAINSMART_YWROBOT
+//#define LCD_SAINSMART_I2C_1602
+//#define LCD_SAINSMART_I2C_2004
 
 //
 // Generic LCM1602 LCD adapter

Marlin/src/config/examples/Velleman/K8400/Configuration.h

 //#define RA_CONTROL_PANEL
 
 //
-// Sainsmart YW Robot (LCM1602) LCD Display
+// Sainsmart (YwRobot) LCD Displays
 //
-// Note: This controller requires F.Malpartida's LiquidCrystal_I2C library
+// These require F.Malpartida's LiquidCrystal_I2C library
 // https://bitbucket.org/fmalpartida/new-liquidcrystal/wiki/Home
 //
-//#define LCD_I2C_SAINSMART_YWROBOT
+//#define LCD_SAINSMART_I2C_1602
+//#define LCD_SAINSMART_I2C_2004
 
 //
 // Generic LCM1602 LCD adapter

Marlin/src/config/examples/Velleman/K8400/Dual-head/Configuration.h

 //#define RA_CONTROL_PANEL
 
 //
-// Sainsmart YW Robot (LCM1602) LCD Display
+// Sainsmart (YwRobot) LCD Displays
 //
-// Note: This controller requires F.Malpartida's LiquidCrystal_I2C library
+// These require F.Malpartida's LiquidCrystal_I2C library
 // https://bitbucket.org/fmalpartida/new-liquidcrystal/wiki/Home
 //
-//#define LCD_I2C_SAINSMART_YWROBOT
+//#define LCD_SAINSMART_I2C_1602
+//#define LCD_SAINSMART_I2C_2004
 
 //
 // Generic LCM1602 LCD adapter

Marlin/src/config/examples/Wanhao/Duplicator 6/Configuration.h

 //#define RA_CONTROL_PANEL
 
 //
-// Sainsmart YW Robot (LCM1602) LCD Display
+// Sainsmart (YwRobot) LCD Displays
 //
-// Note: This controller requires F.Malpartida's LiquidCrystal_I2C library
+// These require F.Malpartida's LiquidCrystal_I2C library
 // https://bitbucket.org/fmalpartida/new-liquidcrystal/wiki/Home
 //
-//#define LCD_I2C_SAINSMART_YWROBOT
+//#define LCD_SAINSMART_I2C_1602
+//#define LCD_SAINSMART_I2C_2004
 
 //
 // Generic LCM1602 LCD adapter

Marlin/src/config/examples/adafruit/ST7565/Configuration.h

 //#define RA_CONTROL_PANEL
 
 //
-// Sainsmart YW Robot (LCM1602) LCD Display
+// Sainsmart (YwRobot) LCD Displays
 //
-// Note: This controller requires F.Malpartida's LiquidCrystal_I2C library
+// These require F.Malpartida's LiquidCrystal_I2C library
 // https://bitbucket.org/fmalpartida/new-liquidcrystal/wiki/Home
 //
-//#define LCD_I2C_SAINSMART_YWROBOT
+//#define LCD_SAINSMART_I2C_1602
+//#define LCD_SAINSMART_I2C_2004
 
 //
 // Generic LCM1602 LCD adapter

Marlin/src/config/examples/delta/FLSUN/auto_calibrate/Configuration.h

 //#define RA_CONTROL_PANEL
 
 //
-// Sainsmart YW Robot (LCM1602) LCD Display
+// Sainsmart (YwRobot) LCD Displays
 //
-// Note: This controller requires F.Malpartida's LiquidCrystal_I2C library
+// These require F.Malpartida's LiquidCrystal_I2C library
 // https://bitbucket.org/fmalpartida/new-liquidcrystal/wiki/Home
 //
-//#define LCD_I2C_SAINSMART_YWROBOT
+//#define LCD_SAINSMART_I2C_1602
+//#define LCD_SAINSMART_I2C_2004
 
 //
 // Generic LCM1602 LCD adapter

Marlin/src/config/examples/delta/FLSUN/kossel/Configuration.h

 //#define RA_CONTROL_PANEL
 
 //
-// Sainsmart YW Robot (LCM1602) LCD Display
+// Sainsmart (YwRobot) LCD Displays
 //
-// Note: This controller requires F.Malpartida's LiquidCrystal_I2C library
+// These require F.Malpartida's LiquidCrystal_I2C library
 // https://bitbucket.org/fmalpartida/new-liquidcrystal/wiki/Home
 //
-//#define LCD_I2C_SAINSMART_YWROBOT
+//#define LCD_SAINSMART_I2C_1602
+//#define LCD_SAINSMART_I2C_2004
 
 //
 // Generic LCM1602 LCD adapter

Marlin/src/config/examples/delta/FLSUN/kossel_mini/Configuration.h

 //#define RA_CONTROL_PANEL
 
 //
-// Sainsmart YW Robot (LCM1602) LCD Display
+// Sainsmart (YwRobot) LCD Displays
 //
-// Note: This controller requires F.Malpartida's LiquidCrystal_I2C library
+// These require F.Malpartida's LiquidCrystal_I2C library
 // https://bitbucket.org/fmalpartida/new-liquidcrystal/wiki/Home
 //
-//#define LCD_I2C_SAINSMART_YWROBOT
+//#define LCD_SAINSMART_I2C_1602
+//#define LCD_SAINSMART_I2C_2004
 
 //
 // Generic LCM1602 LCD adapter

Marlin/src/config/examples/delta/generic/Configuration.h

 //#define RA_CONTROL_PANEL
 
 //
-// Sainsmart YW Robot (LCM1602) LCD Display
+// Sainsmart (YwRobot) LCD Displays
 //
-// Note: This controller requires F.Malpartida's LiquidCrystal_I2C library
+// These require F.Malpartida's LiquidCrystal_I2C library
 // https://bitbucket.org/fmalpartida/new-liquidcrystal/wiki/Home
 //
-//#define LCD_I2C_SAINSMART_YWROBOT
+//#define LCD_SAINSMART_I2C_1602
+//#define LCD_SAINSMART_I2C_2004
 
 //
 // Generic LCM1602 LCD adapter

Marlin/src/config/examples/delta/kossel_mini/Configuration.h

 //#define RA_CONTROL_PANEL
 
 //
-// Sainsmart YW Robot (LCM1602) LCD Display
+// Sainsmart (YwRobot) LCD Displays
 //
-// Note: This controller requires F.Malpartida's LiquidCrystal_I2C library
+// These require F.Malpartida's LiquidCrystal_I2C library
 // https://bitbucket.org/fmalpartida/new-liquidcrystal/wiki/Home
 //
-//#define LCD_I2C_SAINSMART_YWROBOT
+//#define LCD_SAINSMART_I2C_1602
+//#define LCD_SAINSMART_I2C_2004
 
 //
 // Generic LCM1602 LCD adapter

Marlin/src/config/examples/delta/kossel_pro/Configuration.h

 //#define RA_CONTROL_PANEL
 
 //
-// Sainsmart YW Robot (LCM1602) LCD Display
+// Sainsmart (YwRobot) LCD Displays
 //
-// Note: This controller requires F.Malpartida's LiquidCrystal_I2C library
+// These require F.Malpartida's LiquidCrystal_I2C library
 // https://bitbucket.org/fmalpartida/new-liquidcrystal/wiki/Home
 //
-//#define LCD_I2C_SAINSMART_YWROBOT
+//#define LCD_SAINSMART_I2C_1602
+//#define LCD_SAINSMART_I2C_2004
 
 //
 // Generic LCM1602 LCD adapter

Marlin/src/config/examples/delta/kossel_xl/Configuration.h

 //#define RA_CONTROL_PANEL
 
 //
-// Sainsmart YW Robot (LCM1602) LCD Display
+// Sainsmart (YwRobot) LCD Displays
 //
-// Note: This controller requires F.Malpartida's LiquidCrystal_I2C library
+// These require F.Malpartida's LiquidCrystal_I2C library
 // https://bitbucket.org/fmalpartida/new-liquidcrystal/wiki/Home
 //
-//#define LCD_I2C_SAINSMART_YWROBOT
+//#define LCD_SAINSMART_I2C_1602
+//#define LCD_SAINSMART_I2C_2004
 
 //
 // Generic LCM1602 LCD adapter

Marlin/src/config/examples/gCreate/gMax1.5+/Configuration.h

 //#define RA_CONTROL_PANEL
 
 //
-// Sainsmart YW Robot (LCM1602) LCD Display
+// Sainsmart (YwRobot) LCD Displays
 //
-// Note: This controller requires F.Malpartida's LiquidCrystal_I2C library
+// These require F.Malpartida's LiquidCrystal_I2C library
 // https://bitbucket.org/fmalpartida/new-liquidcrystal/wiki/Home
 //
-//#define LCD_I2C_SAINSMART_YWROBOT
+//#define LCD_SAINSMART_I2C_1602
+//#define LCD_SAINSMART_I2C_2004
 
 //
 // Generic LCM1602 LCD adapter

Marlin/src/config/examples/makibox/Configuration.h

 //#define RA_CONTROL_PANEL
 
 //
-// Sainsmart YW Robot (LCM1602) LCD Display
+// Sainsmart (YwRobot) LCD Displays
 //
-// Note: This controller requires F.Malpartida's LiquidCrystal_I2C library
+// These require F.Malpartida's LiquidCrystal_I2C library
 // https://bitbucket.org/fmalpartida/new-liquidcrystal/wiki/Home
 //
-//#define LCD_I2C_SAINSMART_YWROBOT
+//#define LCD_SAINSMART_I2C_1602
+//#define LCD_SAINSMART_I2C_2004
 
 //
 // Generic LCM1602 LCD adapter

Marlin/src/config/examples/stm32f103ret6/Configuration.h

 //#define RA_CONTROL_PANEL
 
 //
-// Sainsmart YW Robot (LCM1602) LCD Display
+// Sainsmart (YwRobot) LCD Displays
 //
-// Note: This controller requires F.Malpartida's LiquidCrystal_I2C library
+// These require F.Malpartida's LiquidCrystal_I2C library
 // https://bitbucket.org/fmalpartida/new-liquidcrystal/wiki/Home
 //
-//#define LCD_I2C_SAINSMART_YWROBOT
+//#define LCD_SAINSMART_I2C_1602
+//#define LCD_SAINSMART_I2C_2004
 
 //
 // Generic LCM1602 LCD adapter

Marlin/src/config/examples/tvrrug/Round2/Configuration.h

 //#define RA_CONTROL_PANEL
 
 //
-// Sainsmart YW Robot (LCM1602) LCD Display
+// Sainsmart (YwRobot) LCD Displays
 //
-// Note: This controller requires F.Malpartida's LiquidCrystal_I2C library
+// These require F.Malpartida's LiquidCrystal_I2C library
 // https://bitbucket.org/fmalpartida/new-liquidcrystal/wiki/Home
 //
-//#define LCD_I2C_SAINSMART_YWROBOT
+//#define LCD_SAINSMART_I2C_1602
+//#define LCD_SAINSMART_I2C_2004
 
 //
 // Generic LCM1602 LCD adapter

Marlin/src/config/examples/wt150/Configuration.h

 //#define RA_CONTROL_PANEL
 
 //
-// Sainsmart YW Robot (LCM1602) LCD Display
+// Sainsmart (YwRobot) LCD Displays
 //
-// Note: This controller requires F.Malpartida's LiquidCrystal_I2C library
+// These require F.Malpartida's LiquidCrystal_I2C library
 // https://bitbucket.org/fmalpartida/new-liquidcrystal/wiki/Home
 //
-//#define LCD_I2C_SAINSMART_YWROBOT
+//#define LCD_SAINSMART_I2C_1602
+//#define LCD_SAINSMART_I2C_2004
 
 //
 // Generic LCM1602 LCD adapter

Marlin/src/inc/Conditionals_LCD.h

  * I2C PANELS
  */
 
-#if ENABLED(LCD_I2C_SAINSMART_YWROBOT)
-
-  // Note: This controller requires F.Malpartida's LiquidCrystal_I2C library
-  // https://bitbucket.org/fmalpartida/new-liquidcrystal/wiki/Home
+#if ENABLED(LCD_SAINSMART_I2C_1602) || ENABLED(LCD_SAINSMART_I2C_2004)
 
   #define LCD_I2C_TYPE_PCF8575
   #define LCD_I2C_ADDRESS 0x27   // I2C Address of the port expander
-  #define ULTIPANEL
+
+  #if ENABLED(LCD_SAINSMART_I2C_2004)
+    #define LCD_WIDTH 20
+    #define LCD_HEIGHT 4
+  #endif
 
 #elif ENABLED(LCD_I2C_PANELOLU2)
 
 
   #define LCD_I2C_TYPE_MCP23017
   #define LCD_I2C_ADDRESS 0x20 // I2C Address of the port expander
-  #define LCD_USE_I2C_BUZZER //comment out to disable buzzer on LCD
+  #define LCD_USE_I2C_BUZZER   // Enable buzzer on LCD (optional)
   #define ULTIPANEL
 
 #elif ENABLED(LCD_I2C_VIKI)
    */
   #define LCD_I2C_TYPE_MCP23017
   #define LCD_I2C_ADDRESS 0x20 // I2C Address of the port expander
-  #define LCD_USE_I2C_BUZZER //comment out to disable buzzer on LCD (requires LiquidTWI2 v1.2.3 or later)
+  #define LCD_USE_I2C_BUZZER   // Enable buzzer on LCD (requires LiquidTWI2 v1.2.3 or later)
   #define ULTIPANEL
 
   #define ENCODER_FEEDRATE_DEADZONE 4

Marlin/src/inc/SanityCheck.h

   #error "PROBE_DOUBLE_TOUCH is now MULTIPLE_PROBING. Please update your configuration."
 #elif defined(ANET_KEYPAD_LCD)
   #error "ANET_KEYPAD_LCD is now ZONESTAR_LCD. Please update your configuration."
+#elif defined(LCD_I2C_SAINSMART_YWROBOT)
+  #error "LCD_I2C_SAINSMART_YWROBOT is now LCD_SAINSMART_I2C_(1602|2004). Please update your configuration."
 #elif defined(MEASURED_LOWER_LIMIT) || defined(MEASURED_UPPER_LIMIT)
   #error "MEASURED_(UPPER|LOWER)_LIMIT is now FILWIDTH_ERROR_MARGIN. Please update your configuration."
 #elif defined(AUTOMATIC_CURRENT_CONTROL)
   #if ENABLED(RA_CONTROL_PANEL)
     + 1
   #endif
-  #if ENABLED(LCD_I2C_SAINSMART_YWROBOT)
+  #if ENABLED(LCD_SAINSMART_I2C_1602)
+    + 1
+  #endif
+  #if ENABLED(LCD_SAINSMART_I2C_2004)
     + 1
   #endif
   #if ENABLED(LCM1602)