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Getting Started with ESP32 and Arduino (Part 3): Connecting to WiFi and Retrieving Current Time

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Getting Started with ESP32 and Arduino (Part 3): Connecting to WiFi and Retrieving Current Time

The ESP32 has a built-in WiFi module, making it very simple and convenient to connect to WiFi. The code is as follows: #include <WiFi.h> const char* ssid = "WIFI_NAME"; const char* password = "WIFI_PASSWORD"; void setup() { Serial.begin(115200); WiFi.begin(ssid, password); while (WiFi.status() != WL_CONNECTED) { // statement delay(500); Serial.println("Connecting to WiFi…"); } Serial.println("Connected to the … Read more

Getting Started with ESP32 and Arduino (Part 3): Connecting to WiFi and Retrieving Current Time

by
Getting Started with ESP32 and Arduino (Part 3): Connecting to WiFi and Retrieving Current Time

The ESP32 has a built-in WiFi module, making it very simple and convenient to connect to WiFi. The code is as follows: #include <WiFi.h> const char* ssid = "WIFI_NAME"; const char* password = "WIFI_PASSWORD"; void setup() { Serial.begin(115200); WiFi.begin(ssid, password); while (WiFi.status() != WL_CONNECTED) { // statement delay(500); Serial.println("Connecting to WiFi…"); } Serial.println("Connected to the … Read more

Scientist’s Response | Lu Canzhong: The Truth About Eye Protection of LCD and OLED Screens

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Reader Xiong Bin: Dear Scientist, hello! There is a saying circulating online that using LCD screens on mobile communication devices is more eye-friendly than using OLED screens. Is this statement true? Lu Canzhong: The claim that LCD screens are more eye-friendly than OLED screens is likely based on the issue of flicker. LCDs display images … Read more

Embedded Development with MCU – OLED Display

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Embedded Development with MCU - OLED Display

The OLED screen (Organic Light-Emitting Diode Display) is a display technology that utilizes organic light-emitting diodes and is one of the commonly used display devices in embedded systems. It can display various characters, graphics, and images, including both Chinese and English. In embedded systems, the primary role of the OLED screen is to provide users … Read more

Getting Started with ESP32 and Arduino (Part 4): Random Display of Classical Poetry on OLED Screen

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Getting Started with ESP32 and Arduino (Part 4): Random Display of Classical Poetry on OLED Screen

Introduction I believe that working on some simple and fun projects is a great way to get started. During the practical process, you will encounter many requirements and issues, and solving these requirements and problems is part of the learning process. Today, I will share a project that randomly displays classical poetry. If you are … Read more

Getting Started with ESP32 and Arduino (Part 2): Connecting an OLED Display

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Getting Started with ESP32 and Arduino (Part 2): Connecting an OLED Display

Wiring Let’s first take a look at the wiring. I am using a 0.91-inch 4-pin OLED display. OLED Pin ESP32-S3 Pin GND GND VCC 3.3V SCL 0 SDA 1 After completing the wiring, it looks like this: Installing the Library The library used to connect the OLED display is: image-20250409152629407 GitHub link: https://github.com/ThingPulse/esp8266-oled-ssd1306 Description This … Read more

Getting Started with ESP32 and Arduino (Part 4): Random Display of Classical Poetry on OLED Screen

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Getting Started with ESP32 and Arduino (Part 4): Random Display of Classical Poetry on OLED Screen

Introduction I believe that working on some simple and fun projects is a great way to get started. During the practical process, you will encounter many requirements and issues, and solving these requirements and problems is part of the learning process. Today, I will share a project that randomly displays classical poetry. If you are … Read more

OLED vs. LCD Screens: Which is More Straining on the Eyes? A Philosophical Reflection on Light and Vision

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OLED vs. LCD Screens: Which is More Straining on the Eyes? A Philosophical Reflection on Light and Vision

　　 In the digital age, screens have become an extension of human senses. As we gaze at the two mainstream display technologies, OLED and LCD, the debate of “which is more straining on the eyes” has never ceased. The answer is not black and white, but hidden within the wavelengths of light, the rhythm of … 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

From the ‘World’s Narrowest Four-Sided Screen’: How Tianma Restructures the Value Coordinates of the Display Ecosystem

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From the 'World's Narrowest Four-Sided Screen': How Tianma Restructures the Value Coordinates of the Display Ecosystem

In the vast river of China’s display industry, Tianma has always played an important pioneering role. Author: Xu Yi Editor: Zi QiOn April 10, the OPPO Find X8s is set to make its global debut, featuring a 1.25mm world’s narrowest four-sided OLED screen that has become the focus of attention.1.25mm and four-sided mean that the … Read more