Brothers, I have a question for you. I used NCP1252A chip to make a dual-tube forward switching power supply. Today I measured the voltage of the chip CS pin and it reached 1.28V, but the power supply...
1、watchdogtimer（WDT_A)
Watchdog timer?
Watchdog Timer 32-bit timer, can be used as a watchdog or as an interval timer.Before you watch, ask yourself a few questions
a. Does the watchdog depend on the ...
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I have a question. Why does the 12V power inlet of the car's central control need an LC filter circuit formed by a 330uH inductor and a 3300uF large capacitor to filter low-frequency interference? Is ...
Let's take you to play with mobile application creation, timing function, delay function, push function, smart scene function. If you need to make smart curtains, you can customize the scene according...
The function of the A/D converter is to sample the analog input signal to obtain a digital signal that can be processed by the computer. The ADC of the LPC1788 is a 12-bit successive approxima...[Details]
In 2019, Facebook is no longer just a personal social homepage, it is also a user's personal passport. As a large number of mobile applications begin to look for alternatives to login passwords, larg...[Details]
According to foreign media reports, Ford has applied for a patent for a "disappearing" steering wheel and pedal system. (Image source: USPTO) The patent application was filed on November 2, 20...[Details]
Get a copy of the UART communication protocol and analyze it before you start to operate it. 1. Frame format description Let's take a look at its frame format description first: 1. Header Flag Head...[Details]
The Sino-US trade war has officially begun. The Bureau of Industry and Security of the U.S. Department of Commerce has included Huawei in the Entity List, which means that American companies need to ...[Details]
Abstract: Aiming at the many problems existing in third-party application software on current mobile intelligent terminals, this paper proposes a solution to build a mobile application software i...[Details]
Design goals and ideas In the process of developing personal dosimeter, the nuclear pulse signal output from the probe is amplified, shaped, filtered and identified, and then becomes a series of puls...[Details]
Apple’s official WeChat public account posted: “2022-0607-0100, what is this mysterious code?” At 1 am on June 7, see you at WWDC22 next week. Opening on the code 1:00 am, June 7, Beijing tim...[Details]
The main functional test items of Keysight's power supply include: output ripple and noise, overvoltage protection cut-off time, power on and off delay, power up and down programming time, transient ...[Details]
After rapid development in recent years, autonomous driving has entered a slow ramp-up period from various technological breakthroughs at the beginning. The reasons for this slow pace are mainly conc...[Details]
The MCU model I used recently is ASM9260. I encountered some troubles when writing related drivers. I made a note below to keep in mind. 1. On SPI, use DMA to read and write FLASH data. The phenome...[Details]
To design LED lighting products, we must first determine which LED packaging structure to use; then consider how to adapt to these packaging forms; we do not have many choices, and the optical struct...[Details]
Abstract: NXP microcontrollers are ideal for embedded applications that require high performance and low power consumption. The LPC3000 series ARM9 microcontrollers have an on-chip vector floating-poi...[Details]
On February 7, the "500kW high-efficiency, compact, high-power photovoltaic grid-connected inverter" independently developed by Zhongtian Technology and Nantong Yupin Communication Technology Co., ...[Details]
The EVAL-FLTR-LD-1RZ active filter evaluation board is designed for Analog Devices, Inc., low distortion SOIC pinout op amps, including the following high performance devices : AD8000, AD8099, AD8045...[Details]
Power technology
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