{"product_id":"lcd2004-20x4-character-lcd-display-blue-parallel","title":"LCD2004 20×4 Character LCD Display — Blue Backlight, Parallel Interface","description":"\u003ch2\u003eLCD2004 20×4 Character LCD Display — Blue Backlight, Parallel Interface\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eLCD2004 20×4 character LCD display\u003c\/strong\u003e with \u003cstrong\u003eHD44780 controller\u003c\/strong\u003e and \u003cstrong\u003eblue backlight\u003c\/strong\u003e — the larger alternative to the LCD1602, providing \u003cstrong\u003e20 characters across 4 lines\u003c\/strong\u003e for displaying more data simultaneously. Compatible with the Arduino \u003cstrong\u003eLiquidCrystal library\u003c\/strong\u003e using the same code as the LCD1602. Add an I2C backpack (PCF8574) to reduce wiring to 2 wires.\u003c\/p\u003e\n\n\u003ch3\u003eKey Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDisplay: \u003cstrong\u003e20 characters × 4 lines\u003c\/strong\u003e | Controller: \u003cstrong\u003eHD44780\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eInterface: \u003cstrong\u003e4-bit or 8-bit parallel\u003c\/strong\u003e | Pins: \u003cstrong\u003e16-pin header\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eSupply: \u003cstrong\u003e5V\u003c\/strong\u003e | Backlight: \u003cstrong\u003eBlue with white characters\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eContrast: \u003cstrong\u003eAdjustable via pin 3 (V0)\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eLibrary: \u003cstrong\u003eLiquidCrystal (Arduino built-in)\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eCompliance: \u003cstrong\u003eRoHS compliant\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eLCD2004 vs LCD1602\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLCD2004\u003c\/strong\u003e: 20×4 = 80 characters — display 4 sensor readings simultaneously\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLCD1602\u003c\/strong\u003e: 16×2 = 32 characters — compact, sufficient for simple displays\u003c\/li\u003e\n\u003cli\u003eBoth use the same HD44780 controller and LiquidCrystal library code\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMulti-sensor data display (temperature, humidity, pressure, time)\u003c\/li\u003e\n\u003cli\u003eArduino menu system with 4-line navigation\u003c\/li\u003e\n\u003cli\u003eData logger status display\u003c\/li\u003e\n\u003cli\u003eIndustrial controller status panel\u003c\/li\u003e\n\u003cli\u003eClock with date, time, and additional information\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":45672663548139,"sku":"","price":25.37,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/LCD2004-Blue.jpg?v=1723008275","url":"https:\/\/keszoox.com\/products\/lcd2004-20x4-character-lcd-display-blue-parallel","provider":"Keszoox","version":"1.0","type":"link"}