{"product_id":"1602a-i2c-lcd-display-module-5v-backlight-blue-yellow-green","title":"1602A I2C LCD Display Module 5V Backlight Blue Yellow Green","description":"\n\u003ch2\u003e1602A IIC I2C LCD Display Module – 5V Backlight\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003e1602A IIC I2C LCD Screen Module\u003c\/strong\u003e is a compact, easy-to-use display solution for Arduino, Raspberry Pi, and other microcontroller projects. Featuring a built-in I2C interface adapter, this module dramatically reduces wiring complexity — you only need 4 wires to get it up and running. Choose from \u003cstrong\u003eBlue, Yellow-Green, or other backlight color options\u003c\/strong\u003e to match your project's aesthetic.\u003c\/p\u003e\n\n\u003ch3\u003eWhy Choose This LCD Module?\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eI2C \/ IIC Interface:\u003c\/strong\u003e Simplifies connections to just VCC, GND, SDA, and SCL — no need for a large number of GPIO pins.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e5V Operating Voltage:\u003c\/strong\u003e Fully compatible with standard Arduino Uno, Mega, Nano, and most common development boards.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e1602 Format:\u003c\/strong\u003e Displays 16 characters per row across 2 rows — ideal for showing sensor readings, status messages, menus, and more.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAdjustable Backlight:\u003c\/strong\u003e Onboard potentiometer allows easy contrast and brightness adjustment for optimal readability.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMultiple Backlight Colors:\u003c\/strong\u003e Available in Blue, Yellow-Green, and more — pick the one that fits your build.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Compatibility:\u003c\/strong\u003e Works seamlessly with popular libraries (LiquidCrystal_I2C) and is beginner-friendly straight out of the package.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact \u0026amp; Lightweight:\u003c\/strong\u003e Easy to integrate into enclosures, panels, or prototype breadboards.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eDisplay Format: 16 x 2 Characters\u003c\/li\u003e\n  \u003cli\u003eInterface: IIC \/ I2C (built-in PCF8574 adapter)\u003c\/li\u003e\n  \u003cli\u003eOperating Voltage: 5V DC\u003c\/li\u003e\n  \u003cli\u003eDefault I2C Address: 0x27 (adjustable via solder pads)\u003c\/li\u003e\n  \u003cli\u003eBacklight: LED (Blue \/ Yellow-Green options)\u003c\/li\u003e\n  \u003cli\u003eContrast: Adjustable via onboard potentiometer\u003c\/li\u003e\n  \u003cli\u003eCompatible: Arduino, Raspberry Pi, STM32, ESP32, ESP8266, and more\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePerfect For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eArduino \u0026amp; Raspberry Pi DIY projects\u003c\/li\u003e\n  \u003cli\u003eSensor data readouts and status displays\u003c\/li\u003e\n  \u003cli\u003eHome automation dashboards\u003c\/li\u003e\n  \u003cli\u003eEducational electronics kits and prototyping\u003c\/li\u003e\n  \u003cli\u003eMaker spaces and STEM learning environments\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\/glow-in-the-dark-natural-stone-round-beads-diy-jewelry-making\"\u003eGlow in the Dark Natural Stone Round Beads | DIY Jewelry Making\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/round-aluminum-wire-diy-jewelry-making-1mm-3mm\"\u003eRound Aluminum Wire 1mm–3mm | DIY Jewelry Making Wire\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.epa.gov\/recycle\/used-lithium-ion-batteries\" target=\"_blank\" rel=\"noopener\"\u003eEPA guidance on lithium-ion battery handling\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What microcontrollers is the 1602A I2C LCD module compatible with?\u003c\/h4\u003e\n\u003cp\u003eA: The 1602A IIC I2C LCD Display Module is compatible with a wide range of microcontrollers and development boards, including Arduino Uno, Mega, Nano, Raspberry Pi, ESP32, ESP8266, and STM32. It uses the standard I2C protocol, making it easy to integrate with any platform that supports I2C communication.\u003c\/p\u003e\n\u003ch4\u003eQ: How do I connect the 1602A I2C LCD module to my Arduino?\u003c\/h4\u003e\n\u003cp\u003eA: Connection is simple — just four wires: VCC to 5V, GND to GND, SDA to the SDA pin (A4 on Uno), and SCL to the SCL pin (A5 on Uno). Install the \u003cstrong\u003eLiquidCrystal_I2C\u003c\/strong\u003e library in the Arduino IDE, set the I2C address to 0x27 (or scan if unsure), and you're ready to display text in minutes.\u003c\/p\u003e\n\u003ch4\u003eQ: Can I adjust the screen contrast on the 1602A LCD module?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! The module features an onboard potentiometer that lets you fine-tune the display contrast and backlight brightness for optimal readability in any lighting condition. Simply use a small screwdriver to turn the potentiometer until the characters appear clear and sharp.\u003c\/p\u003e\n\u003ch4\u003eQ: What is the default I2C address of this LCD module?\u003c\/h4\u003e\n\u003cp\u003eA: The default I2C address is \u003cstrong\u003e0x27\u003c\/strong\u003e. If you need to change it (e.g., when using multiple displays on the same bus), you can adjust it via the solder pads on the back of the PCF8574 adapter board to select a different address.\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 1602A I2C LCD module compatible with?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The 1602A IIC I2C LCD Display Module is compatible with a wide range of microcontrollers and development boards, including Arduino Uno, Mega, Nano, Raspberry Pi, ESP32, ESP8266, and STM32. 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