Info on how to use 40x4 LCD - Displays - Arduino Forum

Character Lcd 8x1, 8x2, 8x4, 16x1, 16x2 20x1, 20x2, 20x4, 24x1, 24x2, 24x4, 32x1, 32x2, 40x1, 40x2, 40x4 Pinout and Working

4X40 Character LCD STN+ Yellow/Green Display with Yellow/Green Backlight

Character Arduino 40x4 LCD Display Datasheet,KS0066,White on Blue

F16 DED with HD44780 LCD plus I2C adapter - Home Cockpits - ED Forums

4bit/8bit 24bit RGB Parallel Displays, custom LCD displays

LePotato & OpenVFD - LePotato - CoreELEC Forums

Which LCD to Use?, I2C/SPI LCD Backpack

2X24 Character LCD STN+ Gray Display AZ with White Side Backlight

Powertip PC4004-A 40×4 character LCD

F16 DED with HD44780 LCD plus I2C adapter - Home Cockpits - ED Forums

40x4 LCD Module Datasheet Commands Arduino Pinout HD44780,Black on YG

Somewhat OT, but useful: TigTac Transistor Ignition and Tach with PIC and LCD - The Home Shop Machinist & Machinist's Workshop Magazine's BBS

Russian Cyrillic English 404 40x4 4004 Character Lcd Module Display Screen Lcm Yellow Green Blue With Led Backlight - Lcd Modules - AliExpress

Sunlight Readable Graphic LCD Arduino Module from Crystalfontz

arduino and 40x4 LCD(HD44780) interface and source code by Technowave G