{"product_id":"lcd-1602-blue-screen-i2c-lcd-module-5v-anti-reverse-adapter","title":"LCD-1602 Blue Screen I2C LCD Module 5V Anti-Reverse Adapter","description":"\n\u003ch2\u003eLCD-1602 Blue Screen LCD Module with I2C\/IIC Interface Adapter Board\u003c\/h2\u003e\n\u003cp\u003eUpgrade your electronics projects with the \u003cstrong\u003eLCD-1602 Blue Screen LCD Module\u003c\/strong\u003e — a compact, easy-to-use display solution featuring a built-in \u003cstrong\u003eIIC\/I2C serial interface adapter board\u003c\/strong\u003e. Designed for makers, hobbyists, and engineers alike, this module simplifies wiring dramatically, reducing your connections from 16 pins down to just 4 (VCC, GND, SDA, SCL). The convenient \u003cstrong\u003ePH2.0 anti-reverse connector\u003c\/strong\u003e ensures you never accidentally plug it in backwards, protecting your components every time.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eI2C\/IIC Serial Interface:\u003c\/strong\u003e Minimizes wiring complexity — only 4 wires needed to connect to your microcontroller (Arduino, Raspberry Pi, ESP32, and more).\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBlue Backlight with White Characters:\u003c\/strong\u003e High-contrast blue LCD screen with crisp white text for easy readability in a variety of lighting conditions.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e16x2 Character Display:\u003c\/strong\u003e Displays up to 2 rows of 16 characters each — perfect for sensor readings, status messages, menus, and more.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e5V Operating Voltage:\u003c\/strong\u003e Standard 5V power supply compatible with most development boards and microcontrollers.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePH2.0 Anti-Reverse Connection:\u003c\/strong\u003e Built-in anti-reverse connector prevents accidental miswiring, safeguarding your circuit and components.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOnboard Potentiometer:\u003c\/strong\u003e Adjustable contrast control for optimal display visibility right out of the box.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact \u0026amp; Breadboard-Friendly:\u003c\/strong\u003e Small form factor fits neatly into project enclosures and breadboard setups.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNew Condition:\u003c\/strong\u003e Brand new module, ready to integrate into your next build.\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eMade in Mainland China.\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDisplay Type:\u003c\/strong\u003e LCD 16x2 Characters\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBacklight Color:\u003c\/strong\u003e Blue\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInterface:\u003c\/strong\u003e IIC \/ I2C Serial\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOperating Voltage:\u003c\/strong\u003e 5V DC\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConnector Type:\u003c\/strong\u003e PH2.0 Anti-Reverse\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCondition:\u003c\/strong\u003e New\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Mainland China\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat's in the Box?\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × LCD-1602 Blue Screen LCD Module with I2C Adapter Board\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWho Is This For?\u003c\/h3\u003e\n\u003cp\u003eWhether you're building a DIY weather station, a custom Arduino project, a robotics display, or an IoT device, the LCD-1602 I2C module is the reliable, plug-and-play display solution you need. Its anti-reverse connector makes it especially beginner-friendly, while the I2C interface keeps your GPIO pins free for other sensors and components.\u003c\/p\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.energystar.gov\/products\" target=\"_blank\" rel=\"noopener\"\u003eENERGY STAR product efficiency guidance\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: Is the LCD-1602 I2C module compatible with Arduino and Raspberry Pi?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! The LCD-1602 with I2C interface adapter board is compatible with Arduino (Uno, Mega, Nano, etc.), Raspberry Pi, ESP32, ESP8266, and most other microcontrollers that support the I2C\/IIC serial protocol. Simply use the standard LiquidCrystal_I2C library for Arduino or the smbus library for Raspberry Pi.\u003c\/p\u003e\n\u003ch4\u003eQ: What does the PH2.0 anti-reverse connection feature do?\u003c\/h4\u003e\n\u003cp\u003eA: The PH2.0 anti-reverse connector is a keyed connector that physically prevents you from plugging the cable in the wrong way. This protects both the LCD module and your microcontroller from accidental reverse-polarity connections, making it especially useful for beginners or rapid-prototyping environments.\u003c\/p\u003e\n\u003ch4\u003eQ: How many wires do I need to connect this LCD module to my microcontroller?\u003c\/h4\u003e\n\u003cp\u003eA: Thanks to the integrated I2C adapter board, you only need \u003cstrong\u003e4 wires\u003c\/strong\u003e: VCC (power), GND (ground), SDA (data), and SCL (clock). This is a major advantage over standard LCD modules that require up to 16 connections.\u003c\/p\u003e\n\u003ch4\u003eQ: What is the operating voltage of the LCD-1602 I2C module?\u003c\/h4\u003e\n\u003cp\u003eA: This module operates at \u003cstrong\u003e5V DC\u003c\/strong\u003e, making it directly compatible with 5V microcontroller boards like the Arduino Uno and Mega. For 3.3V boards, a level shifter may be required.\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\": \"Is the LCD-1602 I2C module compatible with Arduino and Raspberry Pi?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes! The LCD-1602 with I2C interface adapter board is compatible with Arduino (Uno, Mega, Nano, etc.), Raspberry Pi, ESP32, ESP8266, and most other microcontrollers that support the I2C\/IIC serial protocol. 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