I have a power bank with a single TP4201b main control unit and load detection. That is, it will only boost the voltage for charging when a load is connected. If there is no load, the boost will stop ...
I would like to ask the seniors to help look at my interrupt setting function. Why can't I enter the external interrupt? EXTI_SWINT_Enable (EXTI_LINE1) is set to generate a software interrupt and it c...
1) The size of the pads of the patch layer and the circuit layer is consistent with the size of the pads of the bare copper of the physical PCB. This is the basis for the size of the opening (a necess...
]The previous one is a RC attenuation circuit. When the attenuation is 100 times, the follower output is normal, but when the attenuation is 10 times, the follower output is amplified. 10M bandwidth i...
Last week, the TI evaluation was launched. This week, our Lingdong Microelectronics eminiboard evaluation is also about to be launched. Many evaluation reports have been released this week. Come and h...
I have a Tektronix worth more than 60,000 yuan in the office. I mainly want to buy a spare one for use at home.ADS1102CAL digital widescreen oscilloscope/100mhz bandwidth/1G sampling ratePrice:1780.00...
In early 2002, I started to write a working program for an IC card prepaid electricity meter. The meter used Philips' 8-bit 51-expanded single-chip microcomputer
87LPC764
, and wa...[Details]
With the rapid development of science and technology, especially the widespread application of digital technology and various ultra-large-scale integrated circuits, electronic equipment, especially...[Details]
As a wireless broadband metropolitan area network standard, WiMAX technology has greater advantages than previous 3.5GHz MMDS products in terms of non-line-of-sight transmission and spectrum utiliz...[Details]
Today, with the increasing integration of functions, mobile phones can also be used as portable media players (PMP), digital cameras, handheld computers (PDAs), and even global positioning systems ...[Details]
Microcontrollers (MCUs), which are widely used in automotive electronics, are rapidly facing time and cost pressures. The main advantage of using MCUs has always been to create high-level system in...[Details]
introduction
Throughout the history of automotive lighting, power has always played an important role. Initially, cars only needed headlights to see the road in the dark. Later, other light so...[Details]
With the continuous improvement of the requirements of intelligent building security systems and the continuous improvement of people's safety awareness, indoor anti-theft has gradually attracted peop...[Details]
I've been studying dot matrix recently. It looks simple, but it takes a while to master it completely! The 8*8 dot matrix hardware circuit I'm making now is like this. The row is driven by 74HC138 + t...[Details]
VP2188 is a color STN LCD module produced by Jingdian Pengyuan. This module is a dot matrix transmissive color STN display screen with a color scale of 65 k colors and white LED backlight. Its core...[Details]
introduction
MAX6636 is a multi-channel precision temperature monitor that can not only monitor local temperature, but also connect up to 6 diodes externally. Each channel has a programmable...[Details]
OC faults may be the most frequent and the most frequent of all faults in the inverter. They alarm during the startup process, during the shutdown process, during operation, and even when powered o...[Details]
In today's body control module (BCM) designs, savvy engineers are moving away from electromechanical relays whenever possible. Their next step is to eliminate fuses. But is eliminating fuses a nece...[Details]
LED technology has made rapid progress, and improvements in chip design and materials have promoted the development of brighter and more durable light sources, and the scope of light source applica...[Details]
Preface
In recent years, white light LEDs have gradually replaced incandescent bulbs and fluorescent lamps because they have unparalleled advantages over traditional light sources in terms...[Details]
0 Introduction
With the rapid development of social economy and science and technology, electric locomotives, subways and electric vehicles will be widely used. The power conversion and cont...[Details]
Power technology
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