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16×2 LCD Display with I²C Interface Module

16×2 LCD Display with I²C Interface Module

Name: 16×2 LCD Display with I²C Interface Module
Brand: Generic | XROBOTICS Selected
SKU: 2376
Price: 165.00 INR
Availability: InStock

Original price was: ₹ 250.00.Current price is: ₹ 165.00.

Simplify LCD wiring with this 16×2 Character LCD Display with a pre-attached I²C interface module. The I²C backpack reduces the display connection to four essential wires—VCC, GND, SDA and SCL—making it ideal for Arduino, IoT, robotics, sensor displays, and STEM electronics projects.

Categories: Bharat AI Challenge, Displays & LCD Tags: 16x2 Character Display, 16x2 LCD, 5V LCD, Arduino Display Module, Arduino LCD, Blue Backlight LCD, Data Visualization, DIY Electronics, Green Energy, I²C LCD Display, IIC LCD Module, LCD with I2C Backpack, PCF8574 LCD, PM Shri Lab, STEM Electronics Brand: Generic | XROBOTICS Selected

More Display. Less Wiring.

A standard 16×2 LCD can require several connections to a microcontroller. Adding an I²C interface backpack makes the same character display much easier to integrate into compact electronics projects.

This 16×2 LCD Display with I²C Interface Module allows a compatible microcontroller to communicate with the display over the I²C (Inter-Integrated Circuit) bus, using just four connections:

VCC | GND | SDA | SCL

The attached I²C backpack typically uses a PCF8574-family I/O expander to interface the parallel LCD with the two-wire I²C bus. An onboard potentiometer allows the display contrast to be adjusted, while a jumper commonly provides control of the LCD backlight.

With 16 characters across two rows, the display is ideal for showing sensor readings, measurements, system status, menus, alerts, counters, and other short messages.

It is an excellent choice for Arduino, IoT, robotics, automation, embedded systems, and STEM education, particularly when you want to save microcontroller GPIO pins and keep your breadboard wiring clean.

Perfect For	Arduino projects IoT sensor displays Digital thermometers Weather stations Smart dustbin projects Soil-moisture monitoring systems Ultrasonic distance meters Robotics status displays Home-automation prototypes Data-logging projects Embedded-system interfaces STEM and electronics education PM SHRI Lab projects
Technical Specifications	Specification Details Display Type 16×2 Character LCD Display Format 16 Characters × 2 Rows Visible Characters 32 Backlight Blue LED Backlight Character Colour Typically White Interface I²C / IIC Interface Module PCF8574-family I/O expander, depending on supplied version Connections VCC, GND, SDA, SCL Operating Voltage Typically 5V DC Contrast Adjustment Onboard potentiometer Backlight Control Onboard jumper, depending on module version LCD Controller Compatibility Typically HD44780-compatible Application Arduino, IoT, robotics, automation, embedded systems and STEM projects
Key Features	4-Wire I²C Connection The attached I²C backpack simplifies the LCD connection to: VCC → Power GND → Ground SDA → I²C Data SCL → I²C Clock This significantly reduces wiring compared with directly connecting the LCD's parallel interface. Saves Microcontroller Pins Instead of using multiple GPIO pins for the LCD's parallel interface, the I²C version communicates through the microcontroller's I²C bus. This leaves more GPIO pins available for sensors, buttons, LEDs, motors, and other project components. Built-In Contrast Adjustment The onboard potentiometer lets you adjust the LCD contrast to achieve better character visibility under different lighting and viewing conditions. Blue Backlight The integrated blue backlight provides a clear and attractive interface for electronics projects, classroom demonstrations, and embedded devices. Ready for Rapid Prototyping The pre-attached I²C module eliminates the need to purchase and separately wire an external backpack, making the display convenient for breadboard-based projects. I²C Address The I²C address is not guaranteed to be the same for every module. Common addresses found on 16×2 I²C LCD modules include: 0x27 and 0x3F However, the actual address depends on the I²C backpack and its configuration. If the display is not detected by your microcontroller, use an I²C scanner to identify the address of the connected module.
Arduino Compatibility	The module is commonly used with: Arduino UNO Arduino Nano Arduino Mega Other compatible Arduino boards Compatible microcontroller development boards Arduino projects can typically control the display using an appropriate I²C LCD library. Because library implementations and backpack pin mappings can vary, the correct library configuration may depend on the specific I²C backpack supplied.
ESP32 / ESP8266 Compatibility	The LCD module is typically designed around a 5V supply, while boards such as the ESP32 and ESP8266/NodeMCU use 3.3V logic. Before connecting this module directly to a 3.3V development board, verify the I²C backpack's electrical characteristics and logic-level requirements. An appropriate logic-level interface or level-shifting arrangement may be required depending on the specific module.
Educational Applications	This module is useful for teaching: I²C communication Microcontroller interfacing Digital electronics Sensor integration Data visualization Human-machine interfaces Embedded programming GPIO management Serial communication concepts
Example Projects	Digital Temperature Display Display temperature and humidity readings from sensors such as DHT-series or other compatible sensors. Smart Dustbin Display distance measurements, fill-level information, or system status. Weather Station Show temperature, humidity, pressure, and other environmental measurements. Soil-Moisture Monitoring Display soil moisture readings and irrigation status. Robotics Dashboard Show robot operating mode, distance readings, battery status, sensor information, or system messages. Access-Control Prototype Display prompts, status messages, and access results in a keypad or RFID-based project.
Product Highlights	Simple 4-Wire Interface Connect the display using VCC, GND, SDA, and SCL. Fewer GPIO Requirements The I²C interface frees multiple microcontroller pins for other project components. Built-In Contrast Control Adjust display contrast directly using the onboard potentiometer. Integrated I²C Backpack No separate I²C adapter is required for normal I²C operation. Excellent for STEM Projects Ideal for Arduino, robotics, IoT, automation, and electronics learning.
Package Contents	1 × 16×2 Character LCD Display with I²C Interface Module The I²C backpack is pre-attached. Microcontroller, jumper wires, breadboard, power supply, and other accessories are not included unless specifically mentioned.
Important Product Information	This is a generic educational and prototyping LCD module. The supplied module may vary slightly between manufacturing batches in terms of: I²C backpack design I/O-expander variant PCB layout I²C address configuration Backlight jumper arrangement Connector orientation Component markings The physical module supplied with your order should be treated as the final reference for exact hardware configuration.
Ideal For	Students, Teachers, Makers, Arduino Users, Robotics Enthusiasts, IoT Developers, STEM Labs, Electronics Hobbyists, Engineering Students, Educational Institutions
Important Compatibility Note	I²C LCD modules can use different backpack versions and I/O-expander configurations. The exact I²C address may vary between modules. The exact backpack-to-LCD pin mapping may also vary. An I²C scanner may be required to identify the module address. Verify voltage and logic-level compatibility before connecting the module to a 3.3V microcontroller. The display is intended for character-based text and simple custom characters; it is not a graphical display.
Safety & Handling	Use the recommended supply voltage for the supplied module. Check polarity before powering the display. Avoid short circuits between VCC and GND. Disconnect power before changing wiring. Handle the PCB carefully to avoid damaging the LCD pins or backpack.

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