Output a voltage (about 3V) through stm32 to control the on and off of a switch. For example, when the output is 3V, the switch is closed, and when the output is 0V, the switch is open. At the same ti...
[color=#333333]This article discusses the [color=#4298ba][size=15px][b]PCB[/b][/size][/color] layout for a [color=#4298ba][size=15px][b]power supply[/b][/size][/color][color=#4298ba][size=15px][b]circ...
Does TI have calculation documents for step-down DC chips and LDO principles?
There are doubts about the two formulas
1. Which formula for calculating duty cycle is correct?
Which formula is correct, ...
[backcolor=rgb(222, 240, 251)]The circuit I used to power the TFT LCD screen is shown above. [/backcolor] [backcolor=rgb(222, 240, 251)]If the screen is not connected, all four voltages are normal. [/...
According to CNN recently, several international airlines said they will cancel flights to the United States starting Wednesday due to uncertainty about whether there will be interference between the...[Details]
Murata Manufacturing Co., Ltd. (hereinafter referred to as "Murata"), a comprehensive electronic component manufacturer that creates advanced technologies and components, has opened a flagship store ...[Details]
The difference between push-pull output and open-drain output: Push-pull output: can output high or low level and connect digital devices. When the output is 0, N-MOS is turned on, P-MOS is high impe...[Details]
1. Development Preparation Development board: mini2440, NorFlash: SST39VF1601 2MByte size, CPU: S3C2440A. Development environment: MDK5.13 Emulator: Jlink v8 2. Development Process First, l...[Details]
According to news on August 2, according to Loongson Zhongke, the domestic CPU3A6000 will be launched in the fourth quarter of this year. Relevant testing institutions will have 3A6000-related test d...[Details]
On August 29, Weilan Technology released its 2019 semi-annual report. The company achieved total operating revenue of 1.55 billion yuan in the first half of the year, a year-on-year decrease of 18.25...[Details]
In the parameters of a flagship phone with a quad-core Snapdragon S4 Pro processor released by LG on August 25, one of the more important features was mentioned, which was the new touch screen technol...[Details]
One in five car failures are caused by batteries, a problem that will become more serious in the coming years as electric-by-wire, start/stop engine management and hybrid (electric/gas) vehicles be...[Details]
For the single-chip microcomputer, the processing power is limited. I use stm32 to directly use the printf function (of course printf uses the serial port method), and directly use printf ("xxxx=%f",...[Details]
1 Introduction
TOP Switch (Three Terminal Off-line PWM Switch) is the first three-terminal isolated pulse width modulation monolithic switching power supply integrated circuit successfully de...[Details]
The US Patent and Trademark Office (USPTO) has issued a fourth US patent certificate to Westinghouse Solar (NASDAQ: WEST), namely the Andalay technology patent certificate. Patent No. 7,987,641 was...[Details]
What is the cause of transient noise in TPA1517? The transient buzz discussed in this article refers to the unpleasant noise that can be heard when the part exits standby mode and when the po...[Details]
When
repairing
circuits
, it is often necessary to
remove
integrated circuits
from printed
circuit
boards
. Since
integrated circuits
have many and densely packed pins,...[Details]
According to analyst Jeff Pu, Apple plans to release an iPhone SE equipped with a custom-designed 5G modem in 2025. The modem will be manufactured by Apple's chipmaking partner TSMC, he said in a res...[Details]
stm32/stm8
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