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[i=s]This post was last edited by ena on 2021-8-21 14:34[/i]As shown in the figure, the switch pin measured by an oscilloscope, the load at this time is about 0.6A, and the inductor is 470uh/2A. Under...
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I got a circuit and applied it, but I don't know its principle. The triode works in Class C state. The requirement is to change L2, L3, L4, C4, C7, C8, or the transformer ratio, and require R10 to obt...
[size=4]ZigBee: Giants support but uncertain future[/size] [size=4] The ZigBee Alliance was established in August 2001. However, a milestone in the development of this technology was that in the secon...
[p=32, null, left][font=微软雅黑][size=14px]1. Introduction to TouchGFXDesigner[/size][/font][/p][p=32, null, left][font=微软雅黑][size=14px] GFX is a library that runs very high on MCU and can be seen in var...
Well-known Apple analyst Ming-Chi Kuo obtained information from the industry chain that Apple used a multi-layer Liquid Crystal Polymer (LCP) antenna for the first time in the iPhone X. Due to low yi...[Details]
Japanese operator NTT Docomo has decided to cancel the launch of the Samsung Galaxy S20+ 5G Olympic Games Edition, disappointing Galaxy fans and Olympic Games supporters. The mobile opera...[Details]
On December 1, Beijing Eswin Computing Technology Co., Ltd. ("Eswin Computing"), a provider of AIoT chips and solutions, announced the completion of a RMB 2.5 billion Series C financing. This round o...[Details]
1 Measurement method
To measure ripple, you must first know the correct measurement method. Many engineers use digital oscilloscopes to measure ripple values of several hundred mV, which are...[Details]
Today I will introduce to you how to measure DC voltage, AC voltage and resistance with digital f15b. First, let me introduce to you how to use f15b to measure a 9v battery. The first step: Insert th...[Details]
On the afternoon of January 23, the Second Session of the 14th Guangdong Provincial People’s Congress held a special press conference for provincial departments.
Guo Yuehua, deputy directo...[Details]
A design of an intelligent fast charger. The charger is based on the MC68HC908SR12 single-chip microcomputer as the control core. The SR12's unique analog circuit module, high-precision A/D convers...[Details]
It was learned from the Linyi Municipal Bureau of Commerce that the first phase of the 20MW photovoltaic tracking power station project with a total investment of 600 million yuan in the city has s...[Details]
This article introduces a specific method of designing a short-distance wireless data transmission system by using a high-performance, low-power 32-bit microprocessor STM32F103 and a radio frequency...[Details]
With the advent of NAS and SAN storage, the art of using physical storage and adapting it to system requirements is rapidly disappearing. This is not a good thing, because offloading storage to ext...[Details]
1. If a large measurement error occurs during the use of a digital multimeter, and a mark symbol appears in the lower left corner of the display, it means that the battery needs to be replaced.
2. ...[Details]
November 18, 2021 – Mouser Electronics, the premier New Product Introduction (NPI) distributor with the widest selection of semiconductors and electronic components, is now stocking ESP32-S2-MINI mod...[Details]
Last night, OnePlus officially released the real photos of the new flagship of the OnePlus 9 series, officially showcasing the appearance design of the phone. Judging from the pictures, the f...[Details]
A newer way to optimize the efficiency and reliability of solar energy systems is to use microinverters connected to each individual solar panel. Installing its own microinverter for each solar pan...[Details]
Although we think that the era of autonomous driving is still far away, companies such as Google, GM, and Tesla have announced that autonomous taxis will be put on the road on a large scale in 2019 a...[Details]