Hello everyone, I now want to need a DC/DC step-down chip. The input requirement is DC20V 3.25A and the output is DC 3.4V 14A. If there is a constant source, it would be the best. Thank you. If you ha...
Recently, I want to design a three-phase soft start circuit based on a single-chip microcomputer. The basic components required are:
1.IGBT tube
2. Single chip microcomputer
3. Relay
4. Motor
5. LCD d...
[i=s]This post was last edited by shipeng on 2019-5-15 18:48[/i] [size=3]I recently used the USB_OTG_FS of STM32F429 to make a BOOTLOADER that can read files in the USB disk through USB (PA11, PA12) o...
This is the actual object of this review:The first thing I didn’t expect was that it was so small and exquisite, which was completely in line with the temperament of a “reduced” instruction set.The se...
The information is as follows:Overview1.1 Introduction to DTLS encryption
DTLS (Datagram Transport Layer Security) is a datagram transport layer security protocol. It is an extension based on the TLS ...
Elektro-Automatik Launches 10000 Series of Enhanced Performance, Auto-ranging, Bi-directional, Regenerative and Programmable DC Power Supplies
Germany (Filsen), April 13, 2022 - EA Ele...[Details]
advanced Driver Assistance Systems ( The development of ADAS is unprecedented. What was once considered a high-end luxury item is now common, optional (and sometimes even standard) on today’s mid-r...[Details]
Recently, the Shenzhen Development and Reform Commission issued the "Notice on the Review of Subsidy Projects for the Construction of New Energy Vehicle Charging Facilities in Shenzhen in 2020". Th...[Details]
The analysis of trace material composition and content plays an important role in scientific research, security inspection and other fields. At present, the common method of trace component analys...[Details]
With the development and application of liquid crystal display technology, more and more developers want to use liquid crystal screens to display Chinese characters in the instruments and equipment th...[Details]
According to Bloomberg reporter Mark Gurman, Apple plans to hold multiple events this fall, including the release of the iPhone 13, Apple Watch, AirPods 3, iPad mini 6 and a new MacBook Pro. He said ...[Details]
There are many similar articles on the Internet, most of which focus on software analysis, from U-boot to kernel. Many articles are also very detailed and insightful. Here, I don't want to talk more a...[Details]
ADC The 12-bit ADC is a successive approximation analog-to-digital converter. It has up to 19 channels and can measure 16 external and 2 internal signal sources and Vbat channels. The A/D conversion...[Details]
At present, most mainstream CPUs support floating-point units or auxiliary units with floating-point functions, such as the SPE APU of PowerPC e500. On such machines, floating-point operations are ge...[Details]
As the demand for small white appliances remains strong this year, a wave of urgent orders from October has driven the shipment of MCUs of IC design companies Holtek (6202) and Nuvoton (4919). Couple...[Details]
Recently, @ld_vova, a digital blogger on foreign social media, exposed a set of purple renderings of the iPhone 14 Pro. (Pictures from the Internet) It can be seen that the color of the phone in...[Details]
Since pulse width modulation technology achieves the effect of voltage and frequency conversion of output voltage by adjusting the frequency and duty cycle of output pulses, it has been increasingl...[Details]
1. Research significance
At present, intravenous infusion in hospitals is mainly controlled manually. Intravenous infusion monitored by people cannot correctly adjust the flow rate of the liq...[Details]
0 Introduction By analyzing the three-parameter water injection profile logging data of domestic water injection development oil fields in recent years, the main problems revealed are: high gamma bac...[Details]
The domestic automotive-grade Hall current sensor CH704 is an isolated integrated current sensor chip developed for large current detection applications above 50A. It has the advantages of high pre...[Details]