Please help, we bought a batch of 17+ year products. After testing, QC said that the pins were seriously leaking copper and could not be used, so we asked for a return. The supplier said that this was...
[Ask if you don't understand] Use the 89C52 single-chip computer to make an LED light flashing effect, turning on for one second and off for one second. Now I'm stuck on assigning initial values to ti...
In recent years, with the emergence of intelligent products and increasingly fierce competition, many terminal product manufacturers have higher and higher requirements for the indicators of their own...
I started playing with digital electronics and felt that the power supply was not easy to use. I found LM317 and made a power supply module. It is simple and easy to make. If you are interested, you c...
GPIO library functions: GPIO initialization: typedef struct { u16 GPIO_Pin; //Select the GPIO pin to be set. Use the operator "|" to select multiple pins at a time. GPIOSpeed_TypeDef GPIO_Spee...[Details]
According to Korean media reports, Korean semiconductor manufacturers have not been able to import high-purity hydrogen fluoride and photoresist materials from Japan for a month since Japan announced...[Details]
In his latest tweet, @i冰宇宙, a well-known domestic digital blogger, shared the clear water protective cover of Galaxy Z Fold 4. By comparing it with the Galaxy Z Fold 3 protective cover, we can see th...[Details]
The market for wireless telemetry products is developing rapidly. Recently, the industry has also set off a revolution in wireless applications. Wireless telemetry technology has become an importan...[Details]
Many people think that batteries do not require maintenance, especially when using UPS power supplies. But in fact, problems caused by lack of battery maintenance account for a high proportion of all...[Details]
According to foreign media appleinsider, Apple recently disclosed a patent called "Light source module with adjustable focus", which can diffuse the camera flash according to the distance of th...[Details]
It has to be said that 2020 has been quite turbulent for listed companies in the mobile phone industry chain. The impact of multiple factors such as the epidemic and sluggish demand in the smartphone...[Details]
The global energy shortage problem has caused governments around the world to vigorously promote new energy-saving policies.
The energy consumption standards for
electronic
products are...[Details]
1. Born to Glory: The Origin of ARM Cortex-M Processor When ARM introduced the ARMv7 core architecture in 2004, it abandoned the previous "ARM+number" processor naming method (processors before ARM...[Details]
In this tutorial we will use ARM7-LPC2148 to control a servo motor. Servo motors have the advantage of lower power consumption than stepper motors. When the desired position is reached, the servo mot...[Details]
This is a program from a project I developed before. The void ps_send(uchar x) function in it can send keystroke data to the computer. You just need to refer to the PS2 scan code table and fill in th...[Details]
CNPV Solar Power (Dongying Photovoltaic, EPA: ALCNP) has added a new item to its product certification list, having passed external independent ammonia and salt spray corrosion resistance testing a...[Details]
1. ADC_conversion mode 1. ADC supports 5 conversion modes: single mode, continuous mode, continuous mode with buffer, single scan mode, and continuous scan mode. 2. Single mode In single conversion...[Details]
1 Overview
During the smelting process of a DC steelmaking arc furnace, the initial melting, smelting, oxidation and reduction stages have different requirements for the power supply system (i...[Details]
CNC systems (computer numerical control systems) and NC systems (numerical control systems) are two types of automation control systems commonly used in modern manufacturing. They are similar in ma...[Details]