Optimizing power consumption is an important but often elusive design goal for digital signal processor (DSP)-based systems. Today, DSP-based devices often combine multiple applications that were prev...
I want to measure the frequency of the AC power generated by the generator through a single-chip microcomputer. The basic idea is: transformer step-down - diode half-wave rectification - Schmitt trigg...
[size=4]The input is 24V DC, but I set the input to 23~25V for safety. The LED I drive is a COB LED. Typical current is 0.17A, power 6.1W. My question now is that in the recommended design of WEBENCH,...
The in-phase voltage amplifier of the circuit below is unstable. When testing the transmission line at J8, the output of the first opa855 oscillates. When the input is suspended, the output is 70MHZ w...
[size=4] After more than 10 years of development, the LED lighting industry has basically achieved popularization and globalization. Whether indoors or outdoors, LED lighting has become the first choi...
EXTI key interrupt:
EXTI interrupt:
Note:
1. EXTI interrupt is an external interrupt, and related interrupt management devices need to be configured.
2. If it is an event interrupt, there...[Details]
Three-phase asynchronous motors have many advantages such as simple structure, low price, easy maintenance, and reliable operation, so they are widely used. However, when using simpler methods to a...[Details]
Sievers Semiconductor and Rohde & Schwarz collaborate
to test 5G RF transceivers up to 71 GHz
As 5G networks are rolled out around the world, the 5G NR standards are evolving. With the rele...[Details]
This morning, blogger @数码闲聊站 broke the news that Huawei Mate X3 is on the way. The parameters of the engineering machine include Kirin 9000 4G chip, full-height refresh large screen, 4500mAh ba...[Details]
According to the 2019 annual report recently released by East China Science and Technology, the company achieved operating income of 5.267 billion yuan, a year-on-year decrease of 7.65%; the net prof...[Details]
1. System solution With the continuous development of science and technology, the electronics industry has become more and more important. Now electronic products can be seen in almost every field of...[Details]
The market status and product measurement principle of vortex flowmeter:
vortex flowmeter is widely used in industrial production. Its products belong to velocity flowmeter. Because of its wide flow ...[Details]
Beijing time, March 23 morning news, according to a spokesman for Dow Jones, the company's "Wall Street Journal" will start selling single iPad electronic newspapers from Wednesday, and users...[Details]
According to a test conducted by Flotato creator Morten Just, Google Chrome uses more than 10 times more RAM than Safari on macOS Big Sur under normal and light web browsing scenarios. In a blog po...[Details]
If you ask anyone if he knows CPU, I think his answer will be yes. But if you ask him if he knows ARM and X86 architectures? What is the difference between the two? Most people will be confused. To...[Details]
Cerence Inc. announced today that NIO, a pioneer in China’s premium electric vehicle market, has selected Cerence as a partner to deploy voice technology in its products. Cerence leads the industry’s...[Details]
Beijing time, April 23, Intel Corporation (NASDAQ: INTC) today released its first quarter financial report for fiscal year 2021 ending March 27. The financial report shows that according to US Gener...[Details]
GPRS (General Packet Radio Setvice) is a packet-switched data carrying and transmission method developed on the basis of GSM, and is widely used in embedded systems. Since the GPRS communication netw...[Details]
Recently, I need to use a frequency detection function when using STM8 . Fortunately, the timer of STM8S207 has an input capture function. I used to think of using the timer counting method to implem...[Details]
On October 17, the Economic and Information Technology Bureau of Chengdu City, Sichuan Province issued a notice on soliciting public opinions on the "Implementation Rules of the Ten Measures to Fur...[Details]
Microcontroller MCU
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