{"product_id":"16x2-lcd-i2c-interface-adapter","title":"16x2 LCD I2C Interface Adapter","description":"\u003cmeta name=\"description\" content=\"Buy 16x2 LCD I2C Interface Adapter online in India at best price from The Engineer Store, Bengaluru. Authentic product, 7-day warranty on manufacturing defects, fast delivery across India.\"\u003e\n```html\n\u003ch1\u003e16x2 LCD I2C Interface Adapter\u003c\/h1\u003e\n\u003cp\u003eSimplify your LCD projects by eliminating complex wiring. This I2C interface adapter module converts the standard 16-pin parallel connection of a 16x2 LCD into a clean 2-wire I2C communication protocol, freeing up valuable GPIO pins on your Arduino, ESP32, Raspberry Pi, or any microcontroller. Premium electronics from The Engineer Store, Bengaluru. Fast shipping, 7-day warranty on manufacturing defects, and dedicated technical support.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Type\u003c\/td\u003e\n\u003ctd\u003eI2C LCD Interface Adapter (PCF8574T \/ PCF8574AT based)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible Display\u003c\/td\u003e\n\u003ctd\u003eStandard 16x2 and 20x4 Character LCD Modules (HD44780 compatible)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Protocol\u003c\/td\u003e\n\u003ctd\u003eI2C (Inter-Integrated Circuit) - 2-wire serial\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDefault I2C Address\u003c\/td\u003e\n\u003ctd\u003e0x27 (configurable to 0x20-0x27 via solder jumpers)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Voltage\u003c\/td\u003e\n\u003ctd\u003e5V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePin Connections to MCU\u003c\/td\u003e\n\u003ctd\u003eVCC, GND, SDA, SCL (4 pins only)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLCD Connection\u003c\/td\u003e\n\u003ctd\u003eStandard 16-pin header (solders directly onto LCD module)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eContrast Adjustment\u003c\/td\u003e\n\u003ctd\u003eOnboard potentiometer (blue trim pot)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBacklight Control\u003c\/td\u003e\n\u003ctd\u003eJumper-selectable on\/off; also controllable via software\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBoard Dimensions\u003c\/td\u003e\n\u003ctd\u003eApprox. 42mm x 19mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLogic IC\u003c\/td\u003e\n\u003ctd\u003ePCF8574T 8-bit I\/O expander\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnector Type\u003c\/td\u003e\n\u003ctd\u003e4-pin male header for I2C bus; 16-pin male header for LCD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDaisy-Chainable\u003c\/td\u003e\n\u003ctd\u003eYes - up to 8 modules on same I2C bus with different addresses\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eOriginal \/ Authentic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e7-day warranty on manufacturing defects\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupport\u003c\/td\u003e\n\u003ctd\u003eEmail \u0026amp; WhatsApp 24\/7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eReduces wiring from 12+ pins to just 4:\u003c\/strong\u003e Connect VCC, GND, SDA, and SCL - that's it. No more tangled jumper wires across your breadboard.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOnboard contrast potentiometer:\u003c\/strong\u003e Easily adjust display contrast with the blue trim pot - no external potentiometer or resistor needed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBacklight control:\u003c\/strong\u003e Hardware jumper for on\/off and software-level backlight control through your code.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConfigurable I2C address:\u003c\/strong\u003e Three solder-bridge jumpers (A0, A1, A2) allow you to set addresses from 0x20 to 0x27, enabling up to 8 LCDs on a single I2C bus.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect solder\/plug-in design:\u003c\/strong\u003e The 16-pin header solders directly onto the back of any standard HD44780-compatible LCD module for a compact, integrated assembly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide microcontroller compatibility:\u003c\/strong\u003e Works seamlessly with Arduino Uno, Mega, Nano, ESP8266, ESP32, STM32, Raspberry Pi (with level shifting), and more.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWell-supported libraries:\u003c\/strong\u003e Extensive library support including LiquidCrystal_I2C for Arduino IDE and compatible frameworks like PlatformIO and MicroPython.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhy Choose This?\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e100% authentic from trusted suppliers - no counterfeit ICs or substandard soldering\u003c\/li\u003e\n\u003cli\u003e1-5 day shipping, 7-8 day delivery from our Bengaluru warehouse to most of India\u003c\/li\u003e\n\u003cli\u003eExpert technical support included - get help with wiring, code, and troubleshooting\u003c\/li\u003e\n\u003cli\u003ePerfect companion for any 16x2 or 20x4 LCD project - saves time and GPIO pins\u003c\/li\u003e\n\u003cli\u003eIdeal for clean, professional-looking builds with minimal wiring\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHow It Works\u003c\/h2\u003e\n\u003cp\u003eThe adapter uses the \u003cstrong\u003ePCF8574T I\/O expander IC\u003c\/strong\u003e to translate I2C serial data into the parallel signals that HD44780-based LCD modules require. Your microcontroller sends commands and character data over the two-wire I2C bus (SDA for data, SCL for clock). The PCF8574T receives this data and drives the LCD's data pins (D4-D7), RS, EN, and backlight pin accordingly - all handled transparently by the LiquidCrystal_I2C library.\u003c\/p\u003e\n\n\u003ch2\u003eWiring Guide\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAdapter Pin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eArduino Uno\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eESP32\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eRaspberry Pi Pico\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVCC\u003c\/td\u003e\n\u003ctd\u003e5V\u003c\/td\u003e\n\u003ctd\u003e5V (Vin)\u003c\/td\u003e\n\u003ctd\u003eVBUS (5V)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGND\u003c\/td\u003e\n\u003ctd\u003eGND\u003c\/td\u003e\n\u003ctd\u003eGND\u003c\/td\u003e\n\u003ctd\u003eGND\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSDA\u003c\/td\u003e\n\u003ctd\u003eA4\u003c\/td\u003e\n\u003ctd\u003eGPIO 21\u003c\/td\u003e\n\u003ctd\u003eGP4 (I2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhen will I receive my order?\u003c\/summary\u003e\n\u003cp\u003eProducts ship within 1-5 days from our Bengaluru warehouse. Delivery within 7-8 days to most locations across India.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eIs technical support available?\u003c\/summary\u003e\n\u003cp\u003eYes, 24\/7 support via email and WhatsApp for setup, troubleshooting, and application guidance.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat is your return policy?\u003c\/summary\u003e\n\u003cp\u003e7-day returns on manufacturing defects only. Full refund or replacement. Not applicable for user damage or misuse.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eAre bulk discounts available?\u003c\/summary\u003e\n\u003cp\u003eYes, wholesale pricing on orders of 10+ units. Contact us via WhatsApp or email for a custom quote.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003ch2\u003eBuy 16x2 LCD I2C Interface Adapter Online in India\u003c\/h2\u003e\n\u003cp\u003ePurchase the \u003cstrong\u003e16x2 LCD I2C Interface Adapter\u003c\/strong\u003e online at \u003ca href=\"https:\/\/theengineerstore.in\"\u003eThe Engineer Store\u003c\/a\u003e - India's most trusted electronics components store. We deliver across all major cities including Bengaluru, Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata, Ahmedabad, Jaipur, and Surat. Get the best price on \u003cstrong\u003e16x2 LCD I2C Interface Adapter\u003c\/strong\u003e with fast 1-5 day shipping from our Bengaluru warehouse. All products are 100% authentic, sourced from authorized distributors with 7-day warranty on manufacturing defects.\u003c\/p\u003e\n\u003cp\u003eLooking to buy \u003cstrong\u003e16x2 LCD I2C Interface Adapter\u003c\/strong\u003e at the best price in India? The Engineer Store offers competitive pricing, bulk discounts for orders of 10+ units, and dedicated technical support via email and WhatsApp. Whether you are a hobbyist, student, or professional engineer, we have everything you need for your electronics projects.\u003c\/p\u003e","brand":"My Store","offers":[{"title":"Default Title","offer_id":43773625827491,"sku":"TES-EV102095","price":67.16,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/4479\/7091\/products\/41jlvr75yal.jpg?v=1701073372","url":"https:\/\/www.theengineerstore.in\/kn\/products\/16x2-lcd-i2c-interface-adapter","provider":"The Engineer Store","version":"1.0","type":"link"}