{"product_id":"20x4-lcd2004-parallel-blue","title":"20x4 Parallel Character LCD Display LCD2004 (Blue Backlight)","description":"\u003ch1\u003e20x4 Parallel Character LCD Display LCD2004 (Blue Backlight)\u003c\/h1\u003e\n\u003cp\u003eA 20-character by 4-line parallel character LCD (LCD2004) with a blue backlight and white characters. It uses a standard parallel interface via a 16-pin header for text display in microcontroller projects.\u003c\/p\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e20 characters x 4 lines\u003c\/li\u003e\n  \u003cli\u003eWhite characters on blue backlight\u003c\/li\u003e\n  \u003cli\u003e5V DC\u003c\/li\u003e\n  \u003cli\u003e4 or 8-bit parallel interface\u003c\/li\u003e\n  \u003cli\u003eJHD629-204A equivalent controller\u003c\/li\u003e\n  \u003cli\u003e16-pin male header\u003c\/li\u003e\n  \u003cli\u003eDimensions 9.8 x 6 x 1.2 cm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eCompatible with\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eArduino\u003c\/li\u003e\n  \u003cli\u003eMost microcontrollers\u003c\/li\u003e\n  \u003cli\u003e4-bit and 8-bit parallel control\u003c\/li\u003e\n  \u003cli\u003eWorks with I2C backpack (sold separately)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eBuild it with Compoden's AI\u003c\/h2\u003e\u003cp\u003eTell Compoden's AI build assistant what you want to display and it picks a compatible screen, checks it against your board's interface and voltage, and hands you the wiring and the driver code matched to the exact module - all from real in-stock parts.\u003c\/p\u003e\n\u003ch2\u003eBuilt and Backed by Compoden\u003c\/h2\u003e\n\u003cp\u003eWe have spent 10 years supplying displays, boards, and parts to makers, schools, and engineering teams across India. Every Compoden order includes our AI build companion to help you wire the screen and write the driver code.\u003c\/p\u003e\n\u003cdetails\u003e\u003csummary\u003eHow many lines does it display?\u003c\/summary\u003e\u003cp\u003e20 characters across 4 rows.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat interface does it use?\u003c\/summary\u003e\u003cp\u003e4 or 8-bit parallel via a 16-pin header.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eCan I reduce the wiring?\u003c\/summary\u003e\u003cp\u003eYes, an I2C backpack converts it to a 2-wire I2C connection.\u003c\/p\u003e\u003c\/details\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"Product\", \"name\": \"20x4 Parallel Character LCD Display LCD2004 (Blue Backlight)\", \"brand\": {\"@type\": \"Organization\", \"name\": \"Compoden\"}}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"How many lines does it display?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"20 characters across 4 rows.\"}}, {\"@type\": \"Question\", \"name\": \"What interface does it use?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"4 or 8-bit parallel via a 16-pin header.\"}}, {\"@type\": \"Question\", \"name\": \"Can I reduce the wiring?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes, an I2C backpack converts it to a 2-wire I2C connection.\"}}]}\u003c\/script\u003e","brand":"Compoden","offers":[{"title":"Default Title","offer_id":53479315603821,"sku":null,"price":303.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0999\/3997\/5533\/files\/product_d9efb85b-4dd6-489d-bace-38e552f3d5df.webp?v=1782207813","url":"https:\/\/compoden.com\/products\/20x4-lcd2004-parallel-blue","provider":"Compoden","version":"1.0","type":"link"}