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The 20x4 character LCD module is designed to display letters, numbers, symbols, and dot matrix characters. It can show 20 characters across 4 lines and supports both 4-bit and 8-bit data transfer modes. It features a 5x7 matrix with cursor display mode and includes a display data buffer (DDRAM), a character generator (CGROM), and customizable character storage (CGRAM), which can hold up to eight user-defined 5x8 dot matrix characters.
The module provides a comprehensive instruction set, including commands for clearing the display, returning the cursor to the origin, toggling the display and cursor on/off, character blinking, and shifting the cursor or display. It is easily controlled by microcontrollers such as 8051, PIC, AVR, ARDUINO, ARM, and Raspberry Pi, making it suitable for use in embedded systems, industrial devices, security systems, medical equipment, and portable devices.
At ROBODIUM™, we want you to be completely satisfied with your purchase. You may return most items within 7 days of delivery for a full refund or exchange.
Most items sold on ROBODIUM™ can be returned within the return window, including:
To be eligible for a return, items must be:
Note: Products damaged due to misuse, modification, static discharge, soldering, or improper handling may not be eligible for return.
We arrange the return pickup for you — hassle-free returns similar to major e-commerce platforms.
All products include a minimum 15-day warranty against manufacturing defects, unless otherwise specified on the product page.
Warranty does not cover misuse, soldering damage, modifications, physical damage, or incorrect electrical connections.
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Take 20% off your first order
Enter the code below at checkout to get 20% off your first order