When I am doing hardware development, if I encounter a new product or project that I have never worked on before and have no experience with, I generally operate this way when selecting an MCU. First, based on the product requirements, I compile a hardware specification. For example, power management, sensor interfaces, human-machine interaction interfaces, … Read more
Search WeChatSkill Training The NPN transistor consists of three pieces of semiconductor material, two of which are N-type and one is P-type. The P-type semiconductor is in the middle, with the two N-type semiconductors on the sides. The transistor is one of the most important components in electronic circuits, primarily functioning as a current amplifier … Read more
In microcontroller development, the 51 microcontroller is favored by engineers for its wide application and high stability. However, engineers may encounter issues when trying to download programs to the 51 microcontroller, resulting in download failures. Why does this happen? This article will analyze the reasons from multiple perspectives and propose solutions, hoping to assist everyone. … Read more
Click the above “Chuangxue Electronics” for one-click follow and easily learn electronic knowledge. Chuangxue Electronics Subscription Account Daily updates on technical articles in the electronics industry and the latest news on microcontrollers, making it easy to learn anytime, anywhere. I often see friends who have just learned about microcontrollers being quite interested in using them … Read more
Click the above “Chuangxue Electronics” to follow us with one click and easily learn electronic knowledge Chuangxue Electronics Subscription Account Daily updates of technical articles in the electronics industry and the latest news on microcontrollers, learn easily anytime, anywhere Single-Key Switch Implementation for Flashlight Power and Function Control Circuit Most flashlights have a self-locking button … Read more
[Question] How to calculate the value of capacitor C1 in the microcontroller reset circuit? I need the specific formula and explanation! Urgently needed! [Incorrect Answer] Taking the 51 microcontroller as an example: The reliable reset time for the microcontroller must be greater than 2 machine cycles. If using a 12MHz crystal oscillator, the reset time … Read more
Introduction The car parking lock system based on RFID video technology consists of a core circuit board with STM32F103C8T6 microcontroller, an LCD1602 liquid crystal display circuit, an RFID module circuit, a button circuit, and a relay circuit. The relay simulates the car parking entrance lock switch, normally closed to prevent other vehicles from entering. If … Read more
Click the blue text above to follow. Understand science, love life! Many electronic products cannot do without this BM area Between our phone screens and their frames, there is always a “black edge”. Have you noticed it? This area is called the “BM area”. All electronic products with screens, including phones, computer monitors, and televisions, … Read more
LCD TVs and CRT TVs have similar basic principles in their circuit components. However, some repair technicians are unfamiliar with the logic boards of LCD TVs, and their maintenance theories and ideas have not been updated. When faced with faulty LCD TVs, they hesitate to repair them and miss out on lucrative opportunities. In fact, … Read more
Qian/Yuan/Technology Clickthe blue textto follow us Classification of LED Displays01 Classification by Application Location According to different application locations, LED displays can be divided into two types: indoor and outdoor: Indoor screens are mainly used indoors. In terms of manufacturing process, the first step is to create light-emitting chips into dot matrix modules (or digital … Read more