{"product_id":"lcd1602-i2c-display-module-2x16-characters-5v-arduino","title":"LCD1602 I2C Display Module 2x16 Characters 5V for Arduino","description":"\n\u003ch2\u003eLCD1602 Display Module with I2C Interface \u0026amp; Backlight – 2×16 Characters, 5V\u003c\/h2\u003e\n\u003cp\u003eUpgrade your microcontroller projects with this versatile \u003cstrong\u003eLCD1602 Display Module\u003c\/strong\u003e. Featuring a crisp 2-line × 16-character display with an adjustable backlight, this module integrates seamlessly with Arduino, Raspberry Pi, and compatible boards via a convenient I2C serial interface — drastically reducing the number of wiring pins required.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e2×16 Character Display:\u003c\/strong\u003e Green\/blue backlit LCD screen capable of showing 2 lines of up to 16 characters each — perfect for text, numbers, real-time clock readouts, temperature, humidity, and more.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eI2C Serial Interface Backpack:\u003c\/strong\u003e Built-in I2C adapter (PCF8574T or PCF8574AT chip) simplifies wiring to just 4 pins: GND → GND, VCC → VCC, SDA → A4, SCL → A5.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDefault I2C Addresses:\u003c\/strong\u003e 0x27 for PCF8574T chip; 0x3F for PCF8574AT chip. Check your chip before uploading code. (Download the I2C library from GitHub before use.)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Compatibility:\u003c\/strong\u003e Works with Arduino Duemilanove, UNO R3, MEGA, and Raspberry Pi. Operating voltage: 5V DC.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAdjustable Contrast \u0026amp; Backlight:\u003c\/strong\u003e Onboard potentiometer lets you fine-tune both contrast and backlight brightness for optimal readability in any environment.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVersatile Applications:\u003c\/strong\u003e Display real-time clocks, temperature sensors, humidity readings, custom messages, menus, and alphanumeric data in your DIY electronics projects.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDisplay Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLCD, 2 Lines × 16 Characters\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInterface\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eI2C (with backpack adapter)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDefault I2C Address\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0x27 (PCF8574T) \/ 0x3F (PCF8574AT)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWiring\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGND, VCC, SDA (A4), SCL (A5)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible Boards\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eArduino UNO R3, MEGA, Duemilanove, Raspberry Pi\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1× LCD1602 Display Module with I2C backpack\u003c\/li\u003e\n\u003c\/ul\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 this LCD1602 display module compatible with Arduino UNO R3 and Raspberry Pi?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! The LCD1602 display module with I2C interface is fully compatible with Arduino boards (UNO R3, MEGA, Duemilanove) as well as Raspberry Pi. Simply connect GND to GND, VCC to VCC, SDA to A4, and SCL to A5 on your Arduino board.\u003c\/p\u003e\n\u003ch4\u003eQ: How do I adjust the contrast and backlight on the LCD1602 module?\u003c\/h4\u003e\n\u003cp\u003eA: The module includes an onboard potentiometer. Turn it gently to adjust the display contrast and backlight brightness until characters are clearly visible. No additional components are required.\u003c\/p\u003e\n\u003ch4\u003eQ: Do I need a special library to use the LCD1602 I2C module with Arduino?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. Before uploading your sketch, download and install the I2C LCD library (available on GitHub). Once installed, use the standard LiquidCrystal_I2C library functions to initialize and write to the display. Make sure to set the correct I2C address — 0x27 for PCF8574T or 0x3F for PCF8574AT — matching the chip on your board.\u003c\/p\u003e\n\u003ch4\u003eQ: What can I display on this LCD1602 module?\u003c\/h4\u003e\n\u003cp\u003eA: The LCD1602 module can display letters, numbers, symbols, real-time clock data, temperature, humidity readings, and custom alphanumeric messages — making it ideal for a wide range of Arduino and embedded system projects.\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 this LCD1602 display module compatible with Arduino UNO R3 and Raspberry Pi?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes! The LCD1602 display module with I2C interface is fully compatible with Arduino boards (UNO R3, MEGA, Duemilanove) as well as Raspberry Pi. Simply connect GND to GND, VCC to VCC, SDA to A4, and SCL to A5 on your Arduino board.\"}}, {\"@type\": \"Question\", \"name\": \"How do I adjust the contrast and backlight on the LCD1602 module?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The module includes an onboard potentiometer. 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