O-10.000000M-AQO2520-20-2.8-B-P/TR

introduction On November 17, 2005, at the World Summit on the Information Society (WSIS) held in Tunisia, the International Telecommunication Union (ITU) released the ITU Internet Report 2005:...[Details]

In order to listen to CD (VCD) with headphones , I spent only more than 30 yuan to install a high-fidelity headphone amplifier with beautiful sound quality. NE5532 is generally used as a preampl...[Details]

However, the cost of these devices increases rapidly if the temperature of multiple test points on the board needs to be measured. This in turn creates an urgent need for efficient, compact and low-co...[Details]

Akamai survey reveals: Security is the top consideration for digital native companies when choosing cloud services, with 87% of companies prioritizing security over cost and scalability ...[Details]

This group of instructions includes the subtraction of immediate data, direct address, indirect address and working register from accumulator A together with the borrow bit C, and the result is sent ...[Details]

As climate change becomes increasingly serious, humans must take strong measures to significantly reduce carbon emissions. Under the new legislative and policy framework, the automotive industry is...[Details]

1. What is the junction temperature of LED? The basic structure of LED is a semiconductor PN junction. Experiments show that when current flows through an LED element, the temperature of the PN ju...[Details]

Driven by applications such as 5G, electric vehicles, and power devices, the demand for the third-generation semiconductor material gallium nitride (GaN) has gradually increased.   Since funding, yie...[Details]

Keyless entry systems are a basic feature of most modern cars. The biggest advantage is convenience, as the vehicle detects the key and unlocks the car automatically. However, many people question th...[Details]

This paper applies Radio Frequency Identification (RFID) technology, combines the reader-writer device set on the road surface and the radio frequency tag installed on the vehicle, and designs an au...[Details]

.equ and .word .word is like unsigned int in C. .equ is like #define exp: #define bob 10 .equ bob,10 unsigned int ted; ted:  .word 0 unsigned int alice=5; alice: .word 5  @.text .global is a...[Details]

This article mainly discusses the filtering and protection circuits in the -48V circuit of the secondary power supply system after DC/DC conversion to 3.3V module, as well as the power supply ...[Details]

We use PWM to control the buzzer, which mainly has two functions: one is to enable the buzzer and set its frequency; the other is to disable the buzzer. These operations can be completed through io...[Details]

The learning of stm32 is to understand how to configure the software, first understand the hardware connection, and then combine them; #include "stm32f4xx.h" #include "led.h" #define KEY0...[Details]

ACR is the abbreviation of Advanced Communication Riser. It is an open industry technical standard launched by VIA in June 2001 in cooperation with AMD, 3Com, Lucent, Motorola, NVIDIA, Texas Instru...[Details]