Recently, a 5A USB port was loose, so I fixed it based on the idea that electronic engineers should do more hands-on work (poor, no money, can't bear to throw it away). The effect is quite satisfactor...
Over the years, with the development of telecommunications construction, conflicts between base stations and residents have always existed. Residents are worried about radiation and are unwilling to s...
Could you please tell me the winding method and other parameters of the EE8 transformer that can be used to increase the voltage from 0.7V to 7V? The more detailed the better. Thank you!...
When using CC2640R2F, I found that some projects in the lower version of SDK are no longer available in the higher version of SDK, for example:
There is multi_role in simplelink_cc2640r2_sdk_1_40_00_4...
The first company on the Internet to support the use of buildroot 2021 to build the Allwinner RISC-V 64 architecture Nezha D1 development boardPengfeng Technology's RVBoards-Nezha "The first Debian/Li...
The only old phones currently on sale on Apple’s official website are iPhone 8 and iPhone XR. If the second-generation iPhone SE is released, I believe they will also be taken off the shelves o...[Details]
On April 17, Ultrasonic Electronics released its first quarter report of 2020. The company achieved revenue of 1.096 billion yuan, a year-on-year decrease of 1.64%; the net profit attributable to sha...[Details]
Introduction The download program of STM32F103 series chip is mainly through JTAG and ISP (In-System Programming). Among them, JTAG requires a special downloader, which is mainly used for softwa...[Details]
A voltmeter is an instrument for measuring voltage. It is composed of a permanent magnet, a coil, etc. A voltmeter is a fairly large resistor, ideally considered to be an open circuit. The voltmete...[Details]
The national strategy has given Chinese electronics manufacturers, including connector companies, great expectations for the future. "Accelerating the formation of a new development pattern with 'dom...[Details]
According to the newly discovered specs of the Pixel 7 and Pixel 7 Pro, the upcoming flagship phones are set to use the same display as the Pixel 6 series, but there are some tweaks. With the launc...[Details]
Abstract: This paper discusses a circuit multi-parameter test system for real-time monitoring of vibration reliability test of automobile electrical system. The system takes LXI bus modular virtual...[Details]
September 6 news, according to foreign media reports, Yangtze Memory Technologies Co., Ltd., an IDM integrated circuit manufacturer focusing on integrated 3D NAND flash memory design and manufacturin...[Details]
In recent years, lithium battery technology has been developing rapidly, and lithium battery research has mainly focused on further improving service life, enhancing safety, reducing costs, and new p...[Details]
This simple circuit will sound an alarm when the AC power is lost (or the voltage drops below 50V).
The AC power is half-wave rectified by diode D1 and connected in series with resistors R1, R...[Details]
1. Introduction
In recent years, with the increase of human efforts in ocean development, research on the ocean has become more extensive and in-depth. Correspondingly, various environmental...[Details]
Recently, Zeekr officially released the real photos of Zeekr 001 EC light-sensitive skylight. It is reported that the electrochromic material used in Zeekr 001 EC light-sensitive skylight is a new fu...[Details]
Table of contents Interrupt 3 programs First program Second program The third program DA Conversion Triangle Triangle2 Rectangular wave Display/Keyboard: Dynamic display of digital tube (implemented ...[Details]
Low-dropout regulators (LDOs) are used primarily to generate low-ripple, low-noise supplies for audio and RF circuits, and can also be used as local clean supplies for frequency synthesizers and VCOs....[Details]
By using the characteristic of IR2113 to directly drive both high-voltage and low-voltage field effect transistors, a corresponding half-bridge drive power supply circuit can be designed. At the same...[Details]
Making friends through disassembly
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