3LCD

Transform Your Device into a Cute Companion! Creating Adorable Eyes with ESP32 and LCD

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Transform Your Device into a Cute Companion! Creating Adorable Eyes with ESP32 and LCD

【Click the above「blue text」 to follow the DF Maker Community and become a tech enthusiast】 This project utilizes the Waveshare 0.71-inch dual-eye LCD module and the ESP32-C3-Zero development board. By combining hardware and programming, it achieves dynamic animations that simulate human expressions. Whether for robots, interactive devices, or artistic installations, this project can add a … Read more

Samsung Warns: After LCD, China May Dominate the OLED Market

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Samsung Warns: After LCD, China May Dominate the OLED Market

Just as South Korea defeated Japan in LCD panel production over 20 years ago, China has now surpassed South Korea in the LCD field, and a similar situation may arise with OLED. According to the South Korean newspaper Chosun Biz, this warning was directed at the Korean Display Industry Association. Lee Chang, president of Samsung … Read more

What Principles Underlie the Display of Chinese Characters on LCD Screens in Embedded Devices?

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What Principles Underlie the Display of Chinese Characters on LCD Screens in Embedded Devices?

When I was young, I was particularly curious about how LCDs display the content you want. I remember researching it for a while, but at that time, resources were limited. It wasn’t until college that I learned a bit about dot matrices, ASCII codes, etc. LCD screens are common display devices in embedded systems. So … Read more

Design of an LCD Calculator Based on AT89C51 Microcontroller

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Design of an LCD Calculator Based on AT89C51 Microcontroller

Introduction: 1、Function: Capable of performing addition, subtraction, multiplication, and division operations with up to four digits, retaining four decimal places for division; 4*4 matrix key input, LED LCD display for showing data; each key press triggers a buzzer response, and a marquee light is included, allowing the buzzer and LED light to be turned on … Read more

Chinese LCD Manufacturers Lead the High Refresh Rate Medical Display Market, Custom LCD Modules Create a Billion-Dollar Incremental Market

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Chinese LCD Manufacturers Lead the High Refresh Rate Medical Display Market, Custom LCD Modules Create a Billion-Dollar Incremental Market

In the wave of intelligent upgrades in medical equipment, Chinese LCD manufacturers are opening up the high-end market through custom LCD modules.In August 2023, Tianma Microelectronics announced the mass production of its 4K 120Hz medical endoscope display, marking a new stage in domestic high-refresh medical display technology. According to CINNO Research, the market size of … Read more

Linux Directory Management Commands

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Linux Directory Management Commands

Linux Directory Management Commands1. Displaying the Path (pwd) 1. Command Function The pwd command is used to display the absolute path of the current working directory. 2. Command Format The format of the pwd command is:pwd.3. Command Examples Example 1: Log in as the root user and display the home directory of the root user. … Read more

Industry News | Chinese Manufacturers Capture 70% of the Market! Samsung and LG Panel Procurement ‘Shifts’ to MicroLED Display

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Industry News | Chinese Manufacturers Capture 70% of the Market! Samsung and LG Panel Procurement 'Shifts' to MicroLED Display

It is predicted that this year, Samsung Electronics will reduce the proportion of LCD TV panels procured from CSOT. This is due to CSOT’s acquisition of LG Display’s Guangzhou LCD factory, which has strengthened its influence in the LCD panel market. Conversely, LG Electronics is expected to increase its procurement of LCD TV panels from … Read more

Comparison Between LCD and OLED Displays

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Comparison Between LCD and OLED Displays

Comparing LCD screens and OLED screens is akin to comparing fuel vehicles with electric vehicles. The acceleration and power levels are simply not on the same scale. The emergence of new technologies inevitably leads to the obsolescence of older ones, often without any warning. Nokia phones are a prime example of this. First, let’s understand … Read more

315M Wireless Module Reception Program and Code

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315M Wireless Module Reception Program and Code

Here is a summary of the 315M wireless module’s reception program. #include <AT89X52.H> #include "string.h" // LCD Block #define LCM_RW P3_6 // Define pin #define LCM_RS P3_5 #define LCM_E P3_7 #define LCM_Data P1 #define Busy 0x80 // Used to detect Busy flag in LCM status word typedef int byte; typedef unsigned int word; void Read_Temp(void); … Read more

Common Faults and Solutions for LCD and DLP Projectors

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Common Faults and Solutions for LCD and DLP Projectors

Common Faults and Solutions for LCD and DLP Projectors:Projectors are essential electronic devices for our daily office work, and they are indispensable for company meetings and training sessions. However, electronic devices can encounter various faults. What should we do if our projector has minor issues during use? Below, Hongchao Intelligent Security summarizes some common small … Read more