I have three RISC-V RV32 microcontrollers (GD32VF103 Zhaoyi Innovation, CH32V103 Jiangsu Qinheng, CH2601 Ali Pingtou Ge). RISC-V (pronounced "risk-five") is an open source instruction set architecture...
Is it the parasitic inductance of the switch?Then I saw a circuit similar to RCD function in the PFC circuit. Is the black circle the RCD circuit? Why is it different from the flyback switching power ...
There is a spike after the rectifier bridge, which cannot be clamped by the varistor. It can be clamped when the phase is 90 degrees, but not when it is -90 degrees. Is it because the varistor cannot ...
Prepare to install the module with Python pip, prompt 'pip._vendor.requests.packages.urllib3.connection.VerifiedHTTPSConnection object
After searching for a long time, I felt that I couldn't find the ...
[i=s]This post was last edited by Yizuofenji at 2022-1-24 13:00[/i]1. Introduction
In the first post, we described the process of building a BLE environment and burning the official Demo directly into...
Overall architecture1.1 8051 Core1.1.1 IntroductionThe standard 8051 , or MCS-51, is a 12 -cycle 8051 CPU , while the WS51F7030 series chips use a single-cycle 8051 CPU , which is fully compatible wit...
Scientists at the U.S. Department of Energy’s Argonne National Laboratory have created and tested a single-crystal electrode that could lead to important discoveries for advanced batteries being deve...[Details]
1 Introduction The H-bridge cascade multilevel converter uses a method of connecting multiple power units in series to achieve high voltage output. Its output mostly uses a multi-level phase-shifte...[Details]
The VXI solution with a distributed structure can quickly and effectively handle problems caused by geographical differences. For example, Texas oil engineers monitor an oil well in Miami. People w...[Details]
Definition and background
In RF transmission systems, the standing wave ratio (SWR) is used to measure the efficiency of the RF signal from the power source through the transmission line to the load....[Details]
You may remember that in Chapter 1 we talked about the persistence time of the P31 phosphor on the ordinary analog oscilloscope CRT being less than 1ms. In some cases, a CRT using P7 phosphor can g...[Details]
Keysight Technologies has once again attracted industry attention with its advanced solutions. Recently, Keysight Technologies has won the following awards: Keysight Technologies' N4891A 400GBASE F...[Details]
Last night, BYD’s annual flagship sedan, BYD Han, was launched on the market. The importance of this car to BYD is self-evident. BYD President Wang Chuanfu was at the scene and he said at the begin...[Details]
According to Yonhap News Agency, SK Hynix's labor and management have reached a preliminary agreement to increase employee salaries by an average of 8.07%. It is reported that labor and managemen...[Details]
Before powering on a newly soldered circuit board, you need to test the circuit first, otherwise there will be problems such as short circuits. If you power on directly at this time, the board will b...[Details]
Through the design of accelerometers and gyroscopes based on micro-electro-mechanical systems (MEMS), MEMS technology has been widely used in the fields of navigation and gaming software; however, mi...[Details]
The 2019 World Ultra High Definition Video (4K/8K) Industry Development Conference was held in Guangzhou. The conference was co-hosted by the Ministry of Industry and Information Technology, the Stat...[Details]
Bootloader program of Atmega32, below is the source code. The fuse bits need to be configured when in use: 1. Program BOOTSZ0, BOOTSZ1 and BOOTRST, then download the hex of BOOTLOADER to the MCU th...[Details]
The wedge flowmeter is a new type of throttling differential pressure flow measurement instrument. It can perform high-precision flow measurement in the case of high viscosity and low Reynolds number ...[Details]
An oscilloscope is an electronic measuring instrument with a wide range of uses. It can be used to test different electrical quantities, such as voltage, current, frequency, phase difference, amplitu...[Details]
3PEAK (stock code: 688536), a supplier focusing on analog chips and embedded processors, has launched a new small-size, low-power, automotive-grade watchdog timer dedicated chip TPV710Q, which has ...[Details]