I2C LCD Display Module
I2C LCD Display Module
I2C LCD Display Module - 16x2 Character Display with PCF8574 Backpack
Simplify your display projects with this I2C LCD Display Module from The Tech Depot, Bengaluru. This module combines a standard 16x2 character LCD with a PCF8574 I2C adapter backpack, reducing your wiring from 16 pins down to just 4 - VCC, GND, SDA, and SCL. Enjoy a crisp, backlit blue screen with white text, adjustable contrast via onboard potentiometer, and seamless compatibility with Arduino, ESP32, Raspberry Pi, and STM32 platforms. Fast shipping across India, 7-day warranty on manufacturing defects, and dedicated technical support included.
Specifications
| Display Type | 16x2 Character LCD (STN, Transmissive) |
| Interface | I2C (TWI) via PCF8574T / PCF8574AT Backpack |
| Default I2C Address | 0x27 (configurable to 0x20-0x27 via solder jumpers) |
| LCD Controller | HD44780 Compatible |
| Backlight | Blue LED backlight with white characters (on/off controllable via I2C) |
| Contrast Adjustment | Onboard potentiometer (no external resistor needed) |
| Operating Voltage | 5V DC (3.3V logic compatible with level shifter) |
| Current Consumption | ~80 mA with backlight ON; ~2 mA backlight OFF |
| Character Size | 5x8 dot matrix per character |
| Display Characters | 32 characters (16 columns x 2 rows) |
| Custom Characters | Up to 8 user-defined CGRAM characters |
| I2C Pins Required | 4 total - VCC, GND, SDA, SCL |
| Module Dimensions | 80 mm x 36 mm x 20 mm (approx.) |
| Connector | 4-pin male header (2.54 mm pitch) |
| Operating Temperature | -20 degreesC to +70 degreesC |
| Compatible Platforms | Arduino Uno/Mega/Nano, ESP8266, ESP32, Raspberry Pi (with smbus), STM32, PIC |
| Recommended Library | LiquidCrystal_I2C (Arduino), RPLCD (Python/Raspberry Pi) |
| Origin | Original/Authentic - Factory-tested modules |
| Warranty | 7-day warranty on manufacturing defects |
| Support | Email & WhatsApp 24/7 Technical Assistance |
Why Choose This I2C LCD Display Module?
- Only 2 data pins required: The I2C backpack converts 16-pin parallel LCD communication into a simple 2-wire (SDA + SCL) interface, freeing up GPIO pins for sensors, motors, and other peripherals.
- Plug-and-play with Arduino: Install the LiquidCrystal_I2C library, connect 4 wires, upload a 5-line sketch, and your display is running - no complex wiring diagrams or breadboard spaghetti.
- Onboard contrast potentiometer: Adjust character visibility with a small screwdriver - no need for external resistors or voltage dividers.
-
Backlight control via software: Turn the blue LED backlight on or off programmatically using
lcd.backlight()andlcd.noBacklight()to save power in battery-operated projects. - Daisy-chainable I2C bus: Connect multiple I2C LCD modules (up to 8 unique addresses) on the same bus alongside other I2C sensors like BME280, OLED displays, or RTC modules.
- 100% authentic and factory-tested: Every module is sourced from trusted suppliers and verified for correct I2C communication, pixel integrity, and backlight functionality before shipping.
- 1-5 day shipping, 7-8 day delivery across India: Ships from our Bengaluru warehouse with same-day dispatch for orders placed before 2 PM. Same-day delivery available in Bengaluru.
- Expert technical support: Stuck on wiring, library errors, or I2C address conflicts? Our engineering team provides hands-on guidance via WhatsApp and email.
Key Features Explained
- HD44780 Controller Compatibility: The industry-standard HD44780 driver ensures compatibility with thousands of existing code examples, tutorials, and libraries across multiple platforms.
- PCF8574 I/O Expander: This 8-bit I/O expander chip handles all parallel communication with the LCD internally, translating I2C serial commands into the 4-bit data mode the LCD requires.
- Configurable I2C Address: Three solder jumper pads (A0, A1, A2) on the backpack allow you to set addresses from 0x20
Frequently Asked Questions
When will I receive my order?
Products ship within 1-5 days from our Bengaluru warehouse. Delivery within 7-8 days to most locations across India.
Is technical support available?
Yes, 24/7 support via email and WhatsApp for setup, troubleshooting, and application guidance.
What is your return policy?
7-day returns on manufacturing defects only. Full refund or replacement. Not applicable for user damage or misuse.
Are bulk discounts available?
Yes, wholesale pricing on orders of 10+ units. Contact us via WhatsApp or email for a custom quote.
Buy I2C LCD Display Module Online in India
Purchase the I2C LCD Display Module online at The Tech Depot - 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 I2C LCD Display Module 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.
Looking to buy I2C LCD Display Module at the best price in India? The Tech Depot 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.