A few days ago, my girlfriend wanted to buy a phone and asked me whether she should get the iPhone XR or the iPhone XS. I carefully explained the differences between the two. Apart from the basic parameters being the same, the iPhone XR uses an LCD screen, while the iPhone XS uses an OLED … Read more
In 2018, various smartphone manufacturers were fiercely promoting their products equipped with OLED screens, as if products without OLED screens were considered inferior. But is OLED really that much more advanced than LCD? Which is better, LCD or OLED? Why did the iPhone XR only use an LCD screen? Let’s compare the advantages and disadvantages … Read more
Write summaries, discuss careers, and win DJI drones, Redmi tablets, Huawei headphones, and JD cards! This article is from the Breadboard Community’s “Lingdong Mini-F5333 Development Board” free evaluation activity. 【Purpose of Experience】Light up the OLED screen and learn to use I2C peripherals. 【Experimental Equipment】 MIN-F5333 Development Board OLED Display Screen 【Implementation Steps】 1. Copy the … Read more
*Example 1: Use P3 port to light up 8 LEDs in sequence #include<reg51.h> // Include the header file for microcontroller registers / Function: Delay for a period of time void delay(void) { unsigned char i,j; for(i=0;i<250;i++) for(j=0;j<250;j++) ; } / Function: Main function void main(void) { while(1) { P3=0xfe; // First LED on delay(); // … Read more
Note: This article serves only as a record of the DIY process, not for any commercial promotion, nor is it to teach everyone to refuse to purchase commercial products. DIY is all about enjoying the tinkering process… Due to the pandemic, I haven’t been out much this year, almost staying at home all the time. … Read more
If you don’t want to miss my updates, remember to check the public account in the upper right corner and set it as a star, take down the star and give it to me. Six PCB boards and 54 LEDs create a real LED dice. In addition to using the number of lit LEDs to … Read more
Abstract: This article introduces a new design method for a LED color light control system, using the AT-89C51 microcontroller as the main control core, combined with minimal auxiliary hardware circuits such as buttons and displays. The system controls LED color lights through software, featuring a compact size, fewer hardware components, a simple circuit structure, and … Read more
Click the above Computer Enthusiast to follow us Compared to LCD screens, OLED screens have higher color gamut and contrast, displaying more vibrant colors. The self-illuminating advantage allows it to show pure black without light leakage, resulting in extremely low power consumption on dark backgrounds, thus successfully conquering more and more mid-to-high-end smartphones. However, OLED … Read more
A foreign user created a cool DIY project using the Raspberry Pi: by monitoring network traffic, an Earth globe composed of multiple LEDs lights up in real-time, visually demonstrating the status of data packet transmission. 1: Data Collection This project requires not only the Raspberry Pi but also an ESP32 module. Using the open-source tool … Read more
After learning the basic knowledge of LED, students have gained some understanding of LED, especially the monochrome LED. However, in many areas of our lives, we also use a type of LED with a richer color palette, called full-color LED. In this lesson, we will guide students to explore the dazzling secrets of LED. Figure … Read more