The typical circuit diagram of this chip. I start from the input analysis: after AC input, the half-wave of N is cut off by the diode, and only the half-wave of L can flow in. Then for the two capacit...
[i=s]This post was last edited by kal9623287 on 2022-8-8 09:32[/i]The circuit below is not complicated, but I just can't figure it out. When D2, D3, and D4 are turned on, U1 and U2 heat up very badly,...
Intelligent gas leak alarmAuthor: Blue AngelI got the board in late May and only adjusted the hardware and data collection. I didn't do Bluetooth and aap data upload. Now I will submit the completed p...
蓝色天使onsemi and Avnet IoT Innovation Design Competition
LPS22HH is a high-precision air pressure sensor
24-bit resolution, can distinguish 0.024Pa air pressure changes
The noise can reach 0.65Pa when using the internal filter, which is better than the MPL3...
Is it 100BASE-T1, 1000BASE-T, 100BASE-TX, 10BASE-T or 10BASE-Te? For those who are not well versed in Ethernet physical layer (PHY) terminology, it can be difficult to evaluate the various types of te...
On April 26, Huawei's 19th Global Analyst Conference opened in Shenzhen. This conference adopted a combination of online and offline methods, focusing on topics such as "future exploration, industria...[Details]
Since the popularization of smartphones and WiFi, wireless networks have become an indispensable part of everyone's life. Especially with the rise of video platforms today, the high traffic load make...[Details]
On January 12, the Xi'an Development and Reform Commission, the Municipal Finance Bureau, the Municipal Housing and Urban-Rural Development Bureau, and the Municipal Science and Technology Bureau j...[Details]
II. Main Points Many people on the Internet asked: "I previously built a project using IAR for ARM V5 or V6. After IED upgraded to V7, when I opened the previous project, a lot of compilation errors ...[Details]
Introduction
With the increasing diversification of navigation system functions, more complex software algorithms and higher integration requirements, designing, verifying and testing navigatio...[Details]
According to foreign media reports, Chalmers University of Technology and the Royal Institute of Technology (KTH) in Sweden have developed a new type of structural battery with 10 times the performan...[Details]
Lenovo has been warming up for the Savior Y90 gaming phone recently. Lenovo has also released the internal cooling of the Y90 phone. The phone uses a dual-fan + dual-radiator fin design, which...[Details]
South Korean chipmakers and Japanese chemical suppliers are caught in the middle of a sudden escalation in a bilateral diplomatic dispute as they scramble to circumvent Japan's tightened export contr...[Details]
Ziguang Guwei disclosed its financial report for the first half of 2019. The company achieved a total operating revenue of 1.56 billion yuan in the first half of the year, a year-on-year increase of ...[Details]
Figure 1-11-a is the simplest working principle diagram of the parallel switching power supply, and Figure 1-11-b is the waveform of the output voltage of the parallel switching power supply. In Fi...[Details]
The Ministry of Natural Resources, the National Forestry and Grassland Administration, the National Energy Administration and other three departments recently jointly issued a notice, clearly encou...[Details]
Germany's AARONIA V6 real-time spectrum analyzer is developed using a new generation of real-time spectrum technology. With the launch of V6, Germany's AARONIA real-time spectrum analyzer products ha...[Details]
The stack pointer is mainly used to store temporary data, local variables and the return address of interrupts/subroutines. The stack pointer always points to the top of the stack. Note that the AVR ...[Details]
September 9, 2010, Shanghai, China—As security monitoring systems have gradually adopted IP networks, excellent network bandwidth and overall performance are key factors to ensure effective transmi...[Details]
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