I am working on a project about 2420, but I found that after configuring the registers, I cannot read back the values I just configured. All I read back are flag frames. I don't know why, and the regi...
Features of LED power supply automatic test system1. Supports relatively complete test of LED driving power supply2. Can accurately read the average power supply value and current effective value of t...
CAMERA driver, two threads are opened, one CODEC thread and one PREVIEW thread, both interrupts are enabled, why can't I see the thread? Why can't I generate an interrupt? There is no video source?...
Why Noise Sources Matter Whether noise is important or not depends on how it affects the operation of the target circuit. For example, a switching power supply with significant output voltage ripple a...
[align=left][color=rgb(123, 125, 114)][font=Arial, sans-serif][font=宋体][size=3]The R&S CMW500 tester from Rohde & Schwarz has once again demonstrated its extraordinary wireless testing capabilities to...
The first warning: Following 4 pins have nothing, GND, or VCC driving data in port -- changes to this connectivity may change fitting results Reason: Pin 4 is empty or grounded or connected to power M...
1. Introduction
RFID (radio frequency identification) is a non-contact automatic identification technology that emerged in the 1990s. It uses the characteristics of radio frequency signal prop...[Details]
0 Introduction
With the development of my country's economy, the number of motor vehicles continues to increase. The growth of existing roads and other hardware facilities can no longer meet t...[Details]
China's new energy vehicles are in a transition period from research and development to real industrial development. In 2012, with the intensive launch of new energy vehicle policy planning, the de...[Details]
There are three types of mobile TV: one is based on analog TV broadcasting network, another is based on mobile communication network, and the other is based on digital broadcasting network. The f...[Details]
When choosing a laptop battery, you should consider several factors, such as power, appearance, and quality.
Regarding power, we often see that a manufacturer uses values such as the number ...[Details]
introduction
For the voltage regulator modules (VRMs) that power the latest computer central processing units (CPUs), power supply designers have historically used multiphase interleaved b...[Details]
Electronic systems are located at different points on the automotive power bus and therefore often need to operate under very stringent power requirements. These include load dump, cold crank, very lo...[Details]
1. Introduction
Testing the temperature of steel billets before rolling is an important measure to ensure the quality of steel. Traditional manual testing is difficult to ensure product qu...[Details]
Toyohashi University of Technology demonstrated electric field coupled wireless power supply technology using life-size car tires and roads at the wireless technology exhibition "Wireless Technolog...[Details]
12v Lead Acid batteries used in trucks, cars, RVs and uninterruptible power supplies are usually rated at 12V. This circuit monitors the battery, the charge and discharge curves, gives the cu...[Details]
1. When the slip speed regulating motor is undergoing frequency conversion and energy saving transformation, the original excitation box (referred to as the speed regulating box) and the original s...[Details]
LED lighting: Basic circuit design can be completed in as little as one day
Semiconductor manufacturers are also getting involved in the LED lighting business. The power circuit of LED req...[Details]
Introduction
Nowadays, people pay more and more attention to the security alarm system, and people have higher and higher requirements for the functions and performance of the alarm. This paper prop...[Details]
Key Points
1. Now, in addition to high-end smartphones and tablets, users also expect to use touch screens in other applications, and they are gradually appearing in cars and instruments.
...[Details]
The ARINC429 bus is one of the most commonly used communication buses between various subsystems of avionics. As the "skeleton" of modern avionics systems, once the bus system or the attached airbo...[Details]