I2C LCD Display Deep Dive: The Ultimate Hardware Setup Guide!
Автор: Avinashee Tech
Загружено: 2025-06-04
Просмотров: 539
Welcome to Episode 1 of our LCD Display Series!
In this video, we break down the hardware internals of a typical I2C LCD module using the PCF8574 I/O expander and the HD44780 LCD controller.
This is your essential foundation before jumping into code and real-world interfacing.
✅ What you'll learn in this video:
Role of PCF8574 in expanding GPIO for LCD control
Understanding the HD44780 LCD controller
Pinouts, connection logic, and block diagrams
Why this matters before coding!
📌 This is Part 1 of our video series:
Part 1: (You're here!) LCD Internals + Datasheet-Level Understanding
Part 2: ESP32 Code Walkthrough & Demo
Part 3: STM32 Code Walkthrough & Demo
🌐 Useful Links:
GitHub Project - https://github.com/AvinasheeTech/LCD_...
🔗 Watch Part 2 (ESP32 Setup): • ESP32 IDF LCD Setup: Showcasing ASCII, Cus...
🔗 Watch Part 3 (STM32 Setup): • Display Text on 16x2 LCD with STM32 + PCF8...
HD44780 Datasheet - https://cdn.sparkfun.com/assets/9/5/f...
PCF8574 Datasheet - https://www.ti.com/lit/ds/symlink/pcf...
🕒 Timestamp:
00:00 Intro
02:10 LCD display pinout
03:45 PCF8574 I/O Expander
10:09 HD44780 LCD controller
19:50 Outro
🌟 Welcome to Avinashee Tech! 🌟
Join us as we delve into a variety of topics spanning across different microcontrollers and System-on-Chips (SoCs). Together, we'll unravel the complexities and unlock the endless possibilities of embedded systems....
💖 Support Us:
If you enjoy our content and want to support the channel, consider buying us a coffee! Visit 👉 https://www.buymeacoffee.com/avinashe...
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🌐 Link :
Github : https://www.github.com/AvinasheeTech
Youtube : / @eccentric_engineer
Thanks for stopping by, and becoming part of the journey! 🚀
#ESP32 #I2CLCD #EmbeddedSystems #PCF8574 #HD44780 #MicrocontrollerProjects #ElectronicsTutorial #lcddisplay

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