{"product_id":"i2c-lcd-with-universal-grove-cable","title":"I2C LCD (With universal Grove cable)","description":"\u003cmeta name=\"description\" content=\"Buy I2C LCD (With universal Grove cable) online in India at best price from The Tech Depot, Bengaluru. Authentic product, 7-day warranty on manufacturing defects, fast delivery across India.\"\u003e\n\n\u003ch1\u003eI2C LCD (With universal Grove cable)\u003c\/h1\u003e\n\n\u003cp\u003eThe I2C LCD is a 16x2 or 20x4 character liquid crystal display module integrated with an I2C (Inter-Integrated Circuit) communication interface, enabling simplified serial data transmission with minimal microcontroller pin usage. Electronics engineers, IoT developers, and hobbyists use this module extensively in embedded systems projects to display real-time sensor data, system status, and user feedback without consuming valuable GPIO pins. This product solves the critical challenge of reducing wiring complexity and microcontroller pin requirements while maintaining reliable alphanumeric display functionality in space-constrained applications.\u003c\/p\u003e\n\n\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\u003cp\u003eThe I2C LCD module operates on the I2C protocol, a two-wire serial communication standard that requires only SDA (Serial Data) and SCL (Serial Clock) lines for bidirectional data exchange with microcontrollers like Arduino, Raspberry Pi, and STM32 boards. The integrated PCF8574 or similar I2C expander chip converts parallel LCD control signals into serial I2C format, dramatically reducing wiring requirements from 12 pins to just 2 communication lines plus power and ground. The universal Grove cable connector ensures plug-and-play compatibility with Grove-based development ecosystems, eliminating soldering requirements and reducing assembly time for rapid prototyping and educational projects.\u003c\/p\u003e\n\n\u003cp\u003eThis display module features a backlit LCD panel with adjustable contrast potentiometer and brightness control, allowing optimal visibility in various lighting conditions. The I2C addressing scheme supports multiple addresses (typically 0x27 or 0x3F), enabling cascade connection of up to 8 LCD modules on a single I2C bus for multi-display applications. Operating at 5V with typical current consumption of 80-150mA, the module is fully compatible with standard 5V microcontroller platforms and includes onboard voltage regulation for stable operation.\u003c\/p\u003e\n\n\u003ch2\u003eKey Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpecification\u003c\/td\u003e\n\u003ctd\u003eDetails\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eI2C LCD Display Module with Grove Connector\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDisplay Size\u003c\/td\u003e\n\u003ctd\u003e16x2 or 20x4 character LCD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Protocol\u003c\/td\u003e\n\u003ctd\u003eI2C (TWI) serial interface\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eI2C Address\u003c\/td\u003e\n\u003ctd\u003e0x27 or 0x3F (configurable)\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\u003eCurrent Consumption\u003c\/td\u003e\n\u003ctd\u003e80-150mA typical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBacklight\u003c\/td\u003e\n\u003ctd\u003eBlue LED with adjustable brightness\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eContrast Control\u003c\/td\u003e\n\u003ctd\u003eOnboard potentiometer for adjustment\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCable Type\u003c\/td\u003e\n\u003ctd\u003eUniversal 4-pin Grove connector\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCable Length\u003c\/td\u003e\n\u003ctd\u003eTypically 20-30cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eOriginal\/Authentic\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 days on manufacturing defects\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping\u003c\/td\u003e\n\u003ctd\u003e1-5 days from Bengaluru\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDelivery\u003c\/td\u003e\n\u003ctd\u003e7-8 days across India\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupport\u003c\/td\u003e\n\u003ctd\u003e24\/7 via Email and WhatsApp\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eTwo-wire I2C interface reduces microcontroller pin usage from 12 to 2, ideal for pin-limited applications and complex embedded systems\u003c\/li\u003e\n\u003cli\u003eUniversal Grove connector enables instant plug-and-play integration with Arduino, Raspberry Pi, and Seeeduino platforms without soldering\u003c\/li\u003e\n\u003cli\u003eMultiple I2C address support (0x27, 0x3F) allows cascading up to 8 LCD modules on single I2C bus for multi-display monitoring systems\u003c\/li\u003e\n\u003cli\u003eAdjustable contrast and brightness controls via onboard potentiometer and software PWM, ensuring optimal readability in diverse lighting environments\u003c\/li\u003e\n\u003cli\u003eIntegrated PCF8574 I2C expander chip handles parallel-to-serial conversion, reducing component count and PCB complexity\u003c\/li\u003e\n\u003cli\u003e5V single supply operation with onboard voltage regulation provides stable, noise-free display performance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eApplications and Use Cases\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eArduino-based environmental monitoring systems displaying temperature, humidity, and air quality readings in real-time with minimal wiring\u003c\/li\u003e\n\u003cli\u003eIoT weather stations and data logging projects requiring compact display interfaces for remote sensor data visualization\u003c\/li\u003e\n\u003cli\u003eEducational robotics and embedded systems labs where I2C LCD demonstrates serial communication protocols and microcontroller interfacing\u003c\/li\u003e\n\u003cli\u003eHome automation control panels and smart device interfaces displaying system status, alerts, and user input feedback\u003c\/li\u003e\n\u003cli\u003eIndustrial process monitoring and PLC-based systems requiring multi-point data display with reduced electrical noise from minimal wiring\u003c\/li\u003e\n\u003cli\u003ePortable medical devices and handheld instruments needing space-efficient display solutions with low power consumption\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHow to Use\u003c\/h2\u003e\n\u003cp\u003eConnect the I2C LCD module to your microcontroller using the universal Grove cable. Insert the Grove connector into the I2C port of your Arduino, Raspberry Pi, or compatible development board. The module typically uses I2C address 0x27 or 0x3F; verify your specific module's address using an I2C scanner sketch. Install the appropriate library for your platform (LiquidCrystal_I2C for Arduino or smbus for Raspberry Pi), then initialize the display with your microcontroller's I2C pins (SDA and SCL).\u003c\/p\u003e\n\n\u003cp\u003eIn your code, create an LCD object specifying the I2C address and display dimensions (16x2 or 20x4), then use standard commands like lcd.print() to display text, lcd.setCursor() to position characters, and lcd.backlight() to control brightness. Adjust the contrast potentiometer on the module if characters appear faint or invisible. The I2C protocol handles all signal timing and data transmission automatically, allowing you to focus on application logic rather than low-level display control. For multiple LCD modules, assign different I2C addresses and create separate objects for each display on the same I2C bus.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat is the difference between I2C LCD and parallel LCD modules?\u003c\/summary\u003e\n\u003cp\u003eI2C LCD modules use a two-wire serial interface (SDA and SCL) requiring only 2 microcontroller pins plus power and ground, compared to parallel LCDs needing 12 pins (8 data pins plus 4 control pins). I2C modules integrate an I2C expander chip that converts serial commands to parallel signals internally. This makes I2C LCDs ideal for microcontrollers with limited GPIO pins, reduces wiring complexity, minimizes electrical noise, and enables multiple displays on a single I2C bus. However, parallel LCDs typically offer faster refresh rates, which is rarely critical for character display applications.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eHow do I determine the correct I2C address for my LCD module?\u003c\/summary\u003e\n\u003cp\u003eMost I2C LCD modules use address 0x27 or 0x3F by default. To identify your module's address, upload an I2C scanner sketch to your Arduino (available in Arduino IDE examples) which automatically detects all I2C devices on the bus and displays their addresses in the serial monitor. Once identified, use this address when initializing the LiquidCrystal_I2C object in your code. Some advanced modules allow address modification through jumper pins or solder bridges on the PCB for custom addressing in multi-display setups.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eCan I connect multiple I2C LCD modules to a single microcontroller?\u003c\/summary\u003e\n\u003cp\u003eYes, you can connect up to 8 I2C LCD modules on a single I2C bus by assigning each module a different I2C address. Connect all modules' SDA pins together, all SCL pins together, and all ground pins together. Each module must have a unique address (0x20-0x27 range typically available). In your code, create separate LiquidCrystal_I2C objects for each address and control them independently. This configuration is perfect for multi-parameter monitoring systems, multi-zone displays, or distributed information panels using minimal microcontroller pins.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eIs the Grove cable compatible with all microcontroller platforms?\u003c\/summary\u003e\n\u003cp\u003eThe universal 4-pin Grove connector is compatible with any microcontroller platform that has Grove-compatible I2C ports, including Arduino boards with Grove shields, Seeeduino variants, Raspberry Pi with Grove HATs, and BeagleBone platforms. For microcontrollers without Grove connectors, you can connect the cable wires directly to the I2C pins (SDA and SCL) and power pins. The Grove connector uses standard 2.54mm pitch pins, making it interchangeable across the Grove ecosystem while maintaining reliable electrical connections.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhen will I receive my order?\u003c\/summary\u003e\n\u003cp\u003eOrders are dispatched within 1-5 business days from our Bengaluru warehouse. Delivery takes 7-8 days to most locations across India.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat is your return and warranty policy?\u003c\/summary\u003e\n\u003cp\u003eWe offer a 7-day return policy on manufacturing defects only. Contact support within 7 days of receipt for free replacement or full refund. 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 for orders of 10 or more units. Contact our sales team via WhatsApp or email for a customized bulk quote.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003ch2\u003eWhy Buy from The Tech Depot\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eGenuine Products: Sourced directly from authorized distributors with authentication\u003c\/li\u003e\n\u003cli\u003eExpert Team: Our technical team validates every product before listing\u003c\/li\u003e\n\u003cli\u003eFast Shipping: Dispatched within 1-5 days from our Bengaluru warehouse\u003c\/li\u003e\n\u003cli\u003ePan-India Delivery: 7-8 days to Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata\u003c\/li\u003e\n\u003cli\u003ePayment Options: COD, UPI, credit\/debit cards, net banking, EMI available\u003c\/li\u003e\n\u003cli\u003eTechnical Support: 24\/7 expert guidance via email and WhatsApp\u003c\/li\u003e\n\u003cli\u003eReturns: 7-day return policy on manufacturing defects only\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eBuy I2C LCD (With universal Grove cable) Online in India\u003c\/h2\u003e\n\u003cp\u003ePurchase the \u003cstrong\u003eI2C LCD (With universal Grove cable)\u003c\/strong\u003e online at \u003ca href=\"https:\/\/thetechdepot.in\"\u003eThe Tech Depot\u003c\/a\u003e, India's trusted source for genuine electronics. We deliver across Bengaluru, Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata, Ahmedabad, Jaipur, and Surat. Get the best price on \u003cstrong\u003eI2C LCD (With universal Grove cable)\u003c\/strong\u003e with fast shipping and expert support.\u003c\/p\u003e\n\u003cp\u003eOur team in Bengaluru is available 24\/7 to support your journey from product selection to project completion.\u003c\/p\u003e","brand":"The Tech Depot","offers":[{"title":"Default Title","offer_id":48743655670017,"sku":"TTD-8536","price":1991.74,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/1577\/3185\/files\/b5509d8121b5920a76d248714f3f7eb6.jpg?v=1778061128","url":"https:\/\/techdepot.in\/products\/i2c-lcd-with-universal-grove-cable","provider":"Tech Depot India","version":"1.0","type":"link"}