The transistor in the picture has a Vbe voltage of only about 0.4V when driving the buzzer. Why is that? SS8050 should be turned on at 0.7V. Also, this transistor does not seem to work in the saturati...
Background: I used to be able to use ccs5.5, but then I downloaded ccs7.4. When I opened the workspace of ccs5.5, it prompted that I had opened a lower version of the workspace. I went in directly and...
[i=s]This post was last edited by a media student on 2019-1-3 21:18[/i] [align=center][b][color=#9932cc]Use STM32CubeMX software to speed up the development process[/color][/b][/align][align=center][b...
[i=s]This post was last edited by damiaa on 2022-10-30 22:04[/i]【HomeBao】Supplementary experiment for project submission: Connecting HomeBao to HomeAssistant
1. [Telink's new generation of low-power, ...
1. OverviewFirst of all, we would like to thank EEWORLD and Pingtou Ge for providing such a good trial opportunity, which not only satisfies our curiosity but also allows everyone to give a thumbs up ...
Data released by market research firm Omdia show that the OLED material market size will grow by 40% to US$1.754 billion in 2021, far higher than the annual growth rate of 16% in 2020. The research c...[Details]
Pay attention to daily industry events and keep up with industry trends in the audio column "IC Express" launched by Jiwei.com. Here are today's highlights: 1. Agree to deliver semi-finished product...[Details]
Recently, the Gansu Provincial People's Government released the 2023 Government Work Report, which mentioned:
Cultivate and expand emerging industries. Vigorously develop new energy, new mater...[Details]
;Design idea: Use timer interrupt to generate the minimum time unit T0, every m T0 forms a sub-cycle T10, of which the first n T0 is the LED conduction time, that is, Ton=n*T0, then Toff=(mn)*T0
...[Details]
1 Overview
PROFIBUS is an open data communication system with a wide range of applications. It is suitable for fast, time-critical applications and complex communication tasks, especially ...[Details]
The flow rate display of the differential pressure flowmeter is the smallest. In fact, there is no flow display value, that is, the transmitter has no current signal output. The reasons include...[Details]
In 2002, a 3,250 square kilometer ice shelf broke off Antarctica and melted away in 35 days. NASA data shows that Greenland is losing an average of 221 cubic kilometers of ice per year, twice as much...[Details]
Recently, in the quality supervision spot check of photovoltaic grid-connected inverters organized by the General Administration of Quality Supervision, Inspection and Quarantine, the PVI5400TL pho...[Details]
PCB
technology:
the reason for connecting a capacitor between
the power supply
and the ground
1. The reason for connecting a capacitor between the power supply and...[Details]
1 Introduction At present, my country's coal production mechanization is developing rapidly. The application of fully mechanized mining equipment is a measure to improve efficiency and safety. One ...[Details]
As countries gradually upgrade their automobile emission standards,
automotive electronics
manufacturers are increasingly in need of developing more powerful
engine management
systems to...[Details]
Recently, a domestic SiC substrate manufacturer has achieved automotive grade technical achievements. According to Shanxi Tiancheng Semiconductor, the defects of their newly developed 6-inch conduc...[Details]
Mengzhimo T Series once again demonstrated its strength and supported the successful holding of Chongqing University's "Yi Chuang" Maker Winter Camp On January 8, the fifth "Yi Chuang" Maker Winter...[Details]
Seoul Viosys, a subsidiary of Seoul Semiconductor, announced that it has filed a patent lawsuit with the Hague Court in the Netherlands, seeking to ban the sale of products that infringe its UV LED p...[Details]
1. Background
Modbus and Profibus are two commonly used communication protocols in industrial control systems. They play an important role in the field of automation. Modbus is a serial commun...[Details]