--- product_id: 527594286 title: "Hosyond 3pcs IIC I2C 2004 LCD Module 20x04 LCD Screen Module Display for Arduino Raspberry Pi" brand: "hosyond" price: "VT7402" currency: VUV in_stock: true reviews_count: 11 category: "Hosyond" url: https://www.desertcart.vu/products/527594286-hosyond-3pcs-iic-i2c-2004-lcd-module-20x04-lcd-screen store_origin: VU region: Vanuatu --- # I2C serial interface, 4-wire hookup 4 lines x 20 chars display Blue backlit adjustable contrast Hosyond 3pcs IIC I2C 2004 LCD Module 20x04 LCD Screen Module Display for Arduino Raspberry Pi **Brand:** hosyond **Price:** VT7402 **Availability:** ✅ In Stock ## Summary > 🔧 Elevate your maker game with sleek, smart, and simple LCD brilliance! ## Quick Answers - **What is this?** Hosyond 3pcs IIC I2C 2004 LCD Module 20x04 LCD Screen Module Display for Arduino Raspberry Pi by hosyond - **How much does it cost?** VT7402 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.vu](https://www.desertcart.vu/products/527594286-hosyond-3pcs-iic-i2c-2004-lcd-module-20x04-lcd-screen) ## Best For - hosyond enthusiasts ## Why This Product - Trusted hosyond brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Plug & Play Compatibility:** Works effortlessly with Arduino, Raspberry Pi, STM32, and more—ideal for makers and pros alike. - • **Versatile IoT & DIY Ready:** Display real-time data like clocks, temps, or messages in smart buildings and electronics projects. - • **Streamlined I2C Connectivity:** Simplify wiring with just 4 wires (GND, VCC, SDA, SCL) for seamless Arduino & Raspberry Pi integration. - • **Customizable Backlight Control:** Adjust contrast via built-in potentiometer for optimal visibility in any lighting. - • **Crystal Clear 80-Character Display:** Showcase detailed info with 4 lines x 20 characters—perfect for complex projects. ## Overview This 3-pack of 20x4 blue LCD modules features an I2C interface for minimal wiring and broad compatibility with popular development boards like Arduino and Raspberry Pi. Each display offers adjustable contrast via a built-in potentiometer and supports real-time data visualization, making it a top choice for IoT, DIY electronics, and smart building projects. ## Description Specifications: Display: 4-lines x 20-characters Four Pin Definition: GND, VCC, SDA, SCL Default I2C bus address: 0 x 27 for F8574T chip Working voltage: 5V Adjust Backlight: Potentiometer Package includes: 3 x LCD module 1 x 10pin F-M jumper wires ## Features - 2004 LCD screen can display 4 lines x 20 characters, with i2c serial interface, blue display. - Compatible with most development boards, such as Arduino, Raspberry pi, Tinkerboard, Nano pi, Banana pi, stm32, etc. - Power supply: 5v; I2C address: 0x27; wiring method: GND—GND, VCC—VCC, SDA—A4, SCL—A5. - Built-in independent potentiometer, backlight can be adjusted through the back potentiometer. - Widely used in: Internet of Things, school electronics projects, smart buildings, maker DIY projects, etc., can display letters, characters, numbers, real-time clock or temperature. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0C1G9GBRZ | | Best Sellers Rank | #5,343 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #1 in LCD Character Modules | | Brand | Hosyond | | Built-In Media | 1 x 10pin jumper wires, 3 x I2C 2004 LCD | | CPU Manufacturer | ARM | | CPU Model | ARMv7 | | Compatible Devices | Arduino, Raspberry Pi, Tinkerboard, Nano pi, Banana pi, stm32 | | Connectivity Technology | I2C | | Customer Reviews | 4.7 out of 5 stars 307 Reviews | | Included Components | 1 x 10pin jumper wires, 3 x I2C 2004 LCD | | Item Weight | 8 Ounces | | Manufacturer | Hosyond | | Mfr Part Number | B007 | | Operating System | Linux | | Processor Brand | ARM | | Processor Count | 1 | | UPC | 732214748156 | | Warranty Description | NO | ## Product Details - **Brand:** Hosyond - **CPU Model:** ARMv7 - **Connectivity Technology:** I2C - **Included Components:** 1 x 10pin jumper wires, 3 x I2C 2004 LCD - **Operating System:** Linux ## Images ![Hosyond 3pcs IIC I2C 2004 LCD Module 20x04 LCD Screen Module Display for Arduino Raspberry Pi - Image 1](https://m.media-amazon.com/images/I/71t3yGbVdLL.jpg) ![Hosyond 3pcs IIC I2C 2004 LCD Module 20x04 LCD Screen Module Display for Arduino Raspberry Pi - Image 2](https://m.media-amazon.com/images/I/71drxgxL6sL.jpg) ![Hosyond 3pcs IIC I2C 2004 LCD Module 20x04 LCD Screen Module Display for Arduino Raspberry Pi - Image 3](https://m.media-amazon.com/images/I/61mwz9XzrUL.jpg) ![Hosyond 3pcs IIC I2C 2004 LCD Module 20x04 LCD Screen Module Display for Arduino Raspberry Pi - Image 4](https://m.media-amazon.com/images/I/612kdmwy5kL.jpg) ![Hosyond 3pcs IIC I2C 2004 LCD Module 20x04 LCD Screen Module Display for Arduino Raspberry Pi - Image 5](https://m.media-amazon.com/images/I/618Ild00RyL.jpg) ## Available Options This product comes in different **Size** options. ## Questions & Answers **Q: How much current does this draw?** A: Backlight power consumption (typical) : 15mA Supply voltage (typical value) : 3.3V, 5V Module operating current (Max) : 1500uA (Vdd=5V),1250uA (Vdd=3.3V) **Q: Is this random access, i.e. send row/col position and character pairs? Or does it just scroll?** A: I am using it with a ESP32. To display I send row number,column position with lcd.setCursor(0,0); Rows are 0-3 and columns are 0-19. Does not scroll. **Q: Has anyone used these with a 3.3 volt device like a Raspberry Pi, ARM-based Arduino, or ESP32? How did you wire the backlight?** A: i used the sketch from printables on 3 an 5 volts to turn on and off back light i used a momentary button ## Customer Reviews ### ⭐⭐⭐⭐⭐ Review *by H***E on June 19, 2025* ### ⭐⭐⭐⭐⭐ Review *by T***S on April 19, 2026* ### ⭐⭐⭐⭐⭐ Review *by B***E on March 19, 2025* --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.vu/products/527594286-hosyond-3pcs-iic-i2c-2004-lcd-module-20x04-lcd-screen](https://www.desertcart.vu/products/527594286-hosyond-3pcs-iic-i2c-2004-lcd-module-20x04-lcd-screen) --- *Product available on Desertcart Vanuatu* *Store origin: VU* *Last updated: 2026-05-13*