{"product_id":"lcd1604-16x4-character-lcd-display-i2c-interface-module","title":"LCD1604 16x4 Character LCD Display Module with I2C Interface","description":"\n\u003ch2\u003eLCD1604 16x4 Character LCD Display Module with I2C Serial Interface\u003c\/h2\u003e\n\u003cp\u003eUpgrade your electronics projects with this high-quality \u003cstrong\u003eLCD1604 16x4 Character LCD Display Module\u003c\/strong\u003e. Featuring a built-in \u003cstrong\u003eIIC\/I2C serial interface adapter\u003c\/strong\u003e, this module dramatically simplifies wiring — requiring only 4 pins instead of the usual 8+, making it ideal for Arduino, Raspberry Pi, and other microcontroller platforms. Available in both \u003cstrong\u003eBlue\u003c\/strong\u003e and \u003cstrong\u003eYellow-Green\u003c\/strong\u003e backlight options to suit your project's aesthetic.\u003c\/p\u003e\n\n\u003cp\u003eMade in Mainland China.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e16 columns × 4 rows\u003c\/strong\u003e character display — great for showing more data than a standard 16x2 module\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eI2C \/ IIC serial interface\u003c\/strong\u003e — reduces GPIO pin usage to just 4 (VCC, GND, SDA, SCL)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBlue or Yellow-Green backlit screen\u003c\/strong\u003e — clearly readable in various lighting conditions\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePCB construction\u003c\/strong\u003e — durable, high-quality board material\u003c\/li\u003e\n  \u003cli\u003eCompatible with Arduino, Raspberry Pi, STM32, and most common microcontrollers\u003c\/li\u003e\n  \u003cli\u003eIdeal for \u003cstrong\u003eindustrial automation\u003c\/strong\u003e, DIY electronics, sensor readouts, menu systems, and prototyping\u003c\/li\u003e\n  \u003cli\u003eEasy to integrate with standard LCD libraries (LiquidCrystal_I2C)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDisplay Format:\u003c\/strong\u003e 16 characters × 4 lines\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInterface:\u003c\/strong\u003e IIC \/ I2C Serial\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBacklight Color Options:\u003c\/strong\u003e Blue \/ Yellow-Green\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e PCB\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh-Concern Chemicals:\u003c\/strong\u003e None\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBattery:\u003c\/strong\u003e Not included\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTypical Application:\u003c\/strong\u003e Industrial Automation, DIY Electronics, Prototyping\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × LCD1604 16x4 Character LCD Display Module with I2C Interface Adapter\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eImportant Notes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003ePlease allow ±5–10mm differences due to manual measurement.\u003c\/li\u003e\n  \u003cli\u003eActual color may vary slightly from images due to monitor settings and lighting conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/hex-nut-bolt-extractor-tool-kit-10-piece\"\u003e10-Pc Hex Nut \u0026amp; Bolt Extractor Kit 9–19mm | HIP Tools\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1-2-inch-8-piece-hex-short-socket-set-vanadium-steel\"\u003e1\/2\" Drive 8-Piece Hex Short Socket Set – Vanadium Steel\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/10-piece-complete-gardening-tool-kit\"\u003e10-Piece Gardening Tool Kit – Iron Head \u0026amp; Plastic Handle\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/personal-protective-equipment\" target=\"_blank\" rel=\"noopener\"\u003eOSHA on personal protective equipment\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What microcontrollers is the LCD1604 I2C module compatible with?\u003c\/h4\u003e\n\u003cp\u003eA: This LCD1604 I2C display module is compatible with a wide range of microcontrollers, including Arduino (Uno, Mega, Nano), Raspberry Pi, STM32, and most platforms that support the I2C (IIC) serial communication protocol. Simply connect VCC, GND, SDA, and SCL to get started.\u003c\/p\u003e\n\u003ch4\u003eQ: What is the difference between the Blue and Yellow-Green backlight versions?\u003c\/h4\u003e\n\u003cp\u003eA: Both versions offer the same 16x4 character display functionality and I2C interface. The difference is purely visual — the Blue backlight provides a cool-toned, high-contrast display, while the Yellow-Green backlight offers a warmer, classic LCD appearance. Choose based on your project's design preference.\u003c\/p\u003e\n\u003ch4\u003eQ: Do I need any special libraries to use this LCD1604 I2C module?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. For Arduino users, the most commonly used library is \u003cstrong\u003eLiquidCrystal_I2C\u003c\/strong\u003e, which is freely available via the Arduino Library Manager. Once installed, you can initialize the display with just a few lines of code. The I2C address is typically 0x27 or 0x3F — you can use an I2C scanner sketch to confirm.\u003c\/p\u003e\n\u003ch4\u003eQ: How many GPIO pins does the I2C interface require?\u003c\/h4\u003e\n\u003cp\u003eA: Thanks to the integrated I2C serial interface adapter, this module only requires \u003cstrong\u003e4 connections\u003c\/strong\u003e: VCC (power), GND (ground), SDA (data), and SCL (clock). This is a major advantage over parallel LCD modules, which typically require 8 or more GPIO pins.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What microcontrollers is the LCD1604 I2C module compatible with?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This LCD1604 I2C display module is compatible with a wide range of microcontrollers, including Arduino (Uno, Mega, Nano), Raspberry Pi, STM32, and most platforms that support the I2C (IIC) serial communication protocol. 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This is a major advantage over parallel LCD modules, which typically require 8 or more GPIO pins.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/rw8eae-v1.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Car \u0026 Home Gadgets\", \"item\": \"https:\/\/rw8eae-v1.myshopify.com\/collections\/car-home-gadgets\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"LCD1604 16x4 Character LCD Display Module with I2C Interface\", \"item\": \"https:\/\/rw8eae-v1.myshopify.com\/products\/lcd1604-16x4-character-lcd-display-i2c-interface-module\"}]}\u003c\/script\u003e","brand":"HIP","offers":[{"title":"A2","offer_id":46320282337514,"sku":"1005013055458298-A2","price":11.89,"currency_code":"USD","in_stock":true},{"title":"A1","offer_id":46320282370282,"sku":"1005013055458298-A1","price":11.82,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0718\/4590\/4618\/files\/Sbf9c1b7528ba4d6b80581121d1bf1378x.webp?v=1790187954","url":"https:\/\/hipcustomerservice.com\/products\/lcd1604-16x4-character-lcd-display-i2c-interface-module","provider":"HIP","version":"1.0","type":"link"}