After mounting the chips according to the circuit diagram, the voltage at VCC3V3 is not 3.3V, but 4.6V. After C46 is replaced from 22pF to 330pF, the voltage at VCC3V3 is 3.3V (the required voltage is...
[i=s]This post was last edited by sunboy25 on 2021-6-3 11:15[/i]I would like to ask if anyone has the reference for active filters in Chapter 3 of Circuit Design Based on Operational Amplifiers and An...
The national electronic competition is still difficult. Within the specified time, that is, 4 days and 3 nights, we need to make electronic competition questions with high standards and high requireme...
[i=s]This post was last edited by Yunhu Congbai on 2022-9-3 15:28[/i]Ask for forgivenessIn fact, I had already received the board a long time ago, printed out the chip manual, and read it many times.I...
I remember that the STC microcontroller has a chip that can be used for single-step simulation. I didn't expect Qinheng to be able to do it, so I tried it today and it works well.
It’s actually very s...
The sound level meter is the most basic noise measuring instrument. It is an electronic instrument, but it is different from objective electronic instruments such as voltmeters. When converting sound...[Details]
USB has become the interface of choice for connecting to PCs. Available on all modern PCs, USB interfaces provide standardized connectors that can provide 5V power to peripherals and up to 100mA of...[Details]
It is true that technology changes our lives. When we were young, we lived in an era without remote controls . If we wanted to turn on the TV or turn off the lights, we had to walk thousands of m...[Details]
Huami will hold its autumn new product launch conference on September 22, which is tomorrow. Prior to this, the official has revealed the features of the products that will be launched at this new pr...[Details]
The concept of "watchdog" and its application in the system composed of single-chip microcomputer. Since the operation of the single-chip microcomputer may be interfered by the external electromagneti...[Details]
In today's automobile market, some domestic models priced just over 100,000 yuan have begun to be equipped with L2 assisted driving systems as standard, while some high-end car brands have begun stra...[Details]
Can a digital multimeter measure capacitance? In the process of home appliance maintenance, failures caused by capacitor leakage or capacity changes are common and the failure phenomena vary. General ...[Details]
The Meizu 16S SoC glue-sealed incident ended with Meizu paying two to one, but then the digital self-media @楼斌XYZONE on Weibo disassembled other models and posted on Weibo that "according to the prel...[Details]
The U.S. Department of Energy (DOE) announced the creation of the Clean Energy Demonstration Office, a new DOE office that will help implement President Biden’s climate agenda by creati...[Details]
1 Introduction
Supporting C language is a basic requirement for programming of almost all microcontrollers, and of course the SPMC75 series microcontrollers are no exception. The design of the ...[Details]
On February 17, Oshilai Technology, a developer of industrial automation control products, announced the completion of a Pre-A round of financing worth tens of millions of yuan, which was exclusi...[Details]
Mouser Electronics, an electronic component distributor focused on introducing new products to drive industry innovation, announced that it will hold a new online seminar with Molex from 10:00 to 11:...[Details]
OFweek Cup · OFweek 2023 China
Robot
Industry Annual Selection (abbreviated as OFweek Robot Awards 2023) is jointly organized by OFweek, China's high-tech industry portal, and its authorita...[Details]
The MAX6397/MAX6398 are small-footprint, high-voltage/overvoltage protection circuits. These devices disconnect the output load or limit the output voltage during an input overvoltage condition, ma...[Details]
The electric vehicle solutions and technology landscape are changing rapidly. The integration of IoT technologies is redefining the future of charging facilities. On the other hand, the demand for ...[Details]
Analog electronics
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