{"product_id":"lcd1602-16x2-character-lcd-display-module-i2c-iic-pcf8574-5v","title":"LCD1602 16x2 I2C Character LCD Display Module 5V – PCF8574","description":"\u003ch2\u003eLCD1602 16x2 Character LCD Display Module with I2C IIC Interface\u003c\/h2\u003e\n\u003cp\u003eUpgrade your electronics projects with the \u003cstrong\u003eLCD1602 16x2 Character LCD Display Module\u003c\/strong\u003e. Featuring a crisp 16-column, 2-row character display available in \u003cstrong\u003eBlue, Yellow, and Green\u003c\/strong\u003e screen variants, this compact module is the go-to choice for makers, hobbyists, engineers, and students alike. Built-in \u003cstrong\u003ePCF8574T \/ PCF8574 I2C IIC interface\u003c\/strong\u003e reduces your wiring from 8+ pins down to just 2, making integration with Arduino, Raspberry Pi, and other microcontrollers fast and straightforward.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e16x2 Character Display:\u003c\/strong\u003e Two rows of 16 characters each for clear, readable output\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eI2C \/ IIC Interface (PCF8574T \/ PCF8574):\u003c\/strong\u003e Only 2 data lines needed — simplifies wiring significantly\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e5V Operating Voltage:\u003c\/strong\u003e Compatible with most standard microcontroller setups\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMultiple Backlight Colors:\u003c\/strong\u003e Available in Blue, Yellow Green — choose the look that fits your project\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOnboard Potentiometer:\u003c\/strong\u003e Easily adjust contrast to suit your environment\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Compatibility:\u003c\/strong\u003e Works with Arduino Uno, Nano, Mega, Raspberry Pi, STM32, ESP8266, ESP32, and more\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePlug-and-Play Ready:\u003c\/strong\u003e Pre-soldered I2C backpack for immediate use out of the box\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact \u0026amp; Lightweight:\u003c\/strong\u003e Easy to mount in enclosures, breadboards, or custom project builds\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e LCD1602 (1602)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInterface:\u003c\/strong\u003e I2C \/ IIC (PCF8574T \/ PCF8574)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOperating Voltage:\u003c\/strong\u003e 5V DC\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDisplay Format:\u003c\/strong\u003e 16 characters × 2 rows\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBacklight Options:\u003c\/strong\u003e Blue \/ Yellow Green\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 1 piece\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCertification:\u003c\/strong\u003e None\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat Can You Use It For?\u003c\/h3\u003e\n\u003cp\u003eThe LCD1602 I2C module is incredibly versatile. Use it to display sensor readings (temperature, humidity, pressure), system status messages, clock\/timer outputs, menu navigation for DIY controllers, or custom text for your project dashboards. It's a staple component for any electronics workbench.\u003c\/p\u003e\n\n\u003ch3\u003eGetting Started\u003c\/h3\u003e\n\u003cp\u003eConnect the \u003cstrong\u003eVCC\u003c\/strong\u003e pin to 5V, \u003cstrong\u003eGND\u003c\/strong\u003e to ground, \u003cstrong\u003eSDA\u003c\/strong\u003e and \u003cstrong\u003eSCL\u003c\/strong\u003e to your microcontroller's I2C pins. Use a compatible LCD I2C library (such as the popular LiquidCrystal_I2C library for Arduino) and you'll have text displaying within minutes. The default I2C address is typically \u003ccode\u003e0x27\u003c\/code\u003e or \u003ccode\u003e0x3F\u003c\/code\u003e — easily scannable using an I2C scanner sketch.\u003c\/p\u003e\n\n\u003cp\u003eFor more guidance on electronics components and maker projects, visit the National Institute of Standards and Technology (NIST) for standards and technical resources relevant to electronic components.\u003c\/p\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/en.wikipedia.org\/wiki\/Liquid-crystal_display\" target=\"_blank\" rel=\"noopener\"\u003eLiquid-crystal display\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What microcontrollers is the LCD1602 I2C module compatible with?\u003c\/h4\u003e\n\u003cp\u003eA: The LCD1602 16x2 I2C LCD module is compatible with a wide range of microcontrollers including Arduino Uno, Arduino Nano, Arduino Mega, Raspberry Pi, ESP8266, ESP32, STM32, and most other platforms that support I2C communication. Simply connect VCC, GND, SDA, and SCL — no complex wiring required.\u003c\/p\u003e\n\u003ch4\u003eQ: What is the difference between the Blue and Yellow Green screen versions of the LCD1602?\u003c\/h4\u003e\n\u003cp\u003eA: The difference is purely aesthetic — the backlight color. The Blue version features a blue backlight with white characters, while the Yellow Green version features a yellow-green backlight with dark characters. Both versions function identically in terms of electrical specifications, interface, and display capability.\u003c\/p\u003e\n\u003ch4\u003eQ: Does the LCD1602 module come with the I2C backpack pre-soldered?\u003c\/h4\u003e\n\u003cp\u003eA: Yes, the PCF8574T \/ PCF8574 I2C backpack is pre-soldered onto the LCD1602 module, so you can connect it directly to your microcontroller using just the 4-pin header (VCC, GND, SDA, SCL) without any additional soldering or extra components.\u003c\/p\u003e\n\u003ch4\u003eQ: What library should I use with the LCD1602 I2C module and Arduino?\u003c\/h4\u003e\n\u003cp\u003eA: The most commonly used library is the \u003cstrong\u003eLiquidCrystal_I2C\u003c\/strong\u003e library, available through the Arduino Library Manager. After installation, initialize it with the correct I2C address (typically 0x27 or 0x3F) and display format (16, 2) to get started quickly.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What microcontrollers is the LCD1602 I2C module compatible with?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The LCD1602 16x2 I2C LCD module is compatible with a wide range of microcontrollers including Arduino Uno, Arduino Nano, Arduino Mega, Raspberry Pi, ESP8266, ESP32, STM32, and most other platforms that support I2C communication. Simply connect VCC, GND, SDA, and SCL — no complex wiring required.\"}}, {\"@type\": \"Question\", \"name\": \"What is the difference between the Blue and Yellow Green screen versions of the LCD1602?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The difference is purely aesthetic — the backlight color. 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After installation, initialize it with the correct I2C address (typically 0x27 or 0x3F) and display format (16, 2) to get started quickly.\"}}]}\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:\/\/vpggdm-rp.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Tech, Tools \u0026 Auto\", \"item\": \"https:\/\/vpggdm-rp.myshopify.com\/collections\/tech-tools-auto\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"LCD1602 16x2 I2C Character LCD Display Module 5V – PCF8574\", \"item\": \"https:\/\/vpggdm-rp.myshopify.com\/products\/lcd1602-16x2-character-lcd-display-module-i2c-iic-pcf8574-5v\"}]}\u003c\/script\u003e","brand":"Qme","offers":[{"title":"1pc","offer_id":49708102844630,"sku":"14:173#1pc","price":10.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0827\/5243\/8486\/files\/S419c34290bef484bb34eaf701b3819c4A.webp?v=1785189762","url":"https:\/\/qmeboost.com\/products\/lcd1602-16x2-character-lcd-display-module-i2c-iic-pcf8574-5v","provider":"Qme","version":"1.0","type":"link"}