AD21 I changed the * key for drilling holes during wiring to 4. There is no conflict with other shortcut keys, but it does not work after the modification. When I press 4 during wiring, the hole will ...
[i=s]This post was last edited by jinglixixi on 2021-9-25 10:12[/i]On the ESP32-Audio-Kit audio development board, the most basic peripherals are LED and KEY, and their schematic diagram is shown in F...
The battery is DC3.0V after LDO, and a 0805 10Uf capacitor is output. Why does it slowly rise from 0V to 3V when tested with an oscilloscope? What's the reason? Is it because the probe capacitance is ...
1. Introduction
LED applications have expanded to various fields, including LCD backlight, mobile phone backlight, signal lights, artistic lighting, architectural lighting, stage lighting control...[Details]
On the surface, this may seem very tricky, but there are actually several ways to measure the impedance of a converter. The trick is to use a network analyzer to do most of the grunt work, but such ...[Details]
Recently, the Guangdong Regulatory Bureau disclosed the acceptance information of the coaching registration of Foshan Blue Arrow Electronics Co., Ltd. (hereinafter referred to as Blue Arrow Electroni...[Details]
On October 25, the signing ceremony of the syndicate of Honeycomb Energy Chengdu Base was successfully held in Chengdu, Sichuan Province, and Honeycomb Energy Chengdu Base received 7.5 billion yuan...[Details]
As semiconductor processes continue to advance, the large memories that originally existed in the chip will be transformed into dozens or hundreds of small memory arrays, which are scattered in v...[Details]
In recent weeks, people familiar with the application process told Reuters that the United States has granted suppliers licenses authorizing them to sell chips used in auto parts such as video screen...[Details]
CT8022 is a dedicated DSP chip developed by DSPG that can implement multiple compression algorithms. It can accept 64/128kbits/s 8bit A/μ data or 16bit linear data provided by the external serial A/...[Details]
The National Day holiday is coming. Besides traveling and staying at home, what other ways do you think of to make yourself happy? Of course, it is "shopping"! The so-called golden September and silv...[Details]
News in the early morning of June 7th, Apple recently held the WWDC22 Global Developers Conference, and one of the features of iOS16 added a real-time event function. The real-time activity...[Details]
The board is GQ2440 made by China Embedded Technology Co., Ltd. For the main transplantation steps, please refer to Mr. Wei Dongshan’s "Complete Manual of Embedded Linux Application Development" 1. D...[Details]
Read the manual Questions about formulas in the manual Frequency division ratio If the frequency of some parts is too high, the device will not work properly, so in order to meet different nee...[Details]
On July 12, 2020, BYD Han EV and Han DM, two new energy vehicles, were launched. The Han EV Han EV long-range luxury model is priced at 229,800 yuan after subsidies, the Han EV long-range premium mod...[Details]
VIAVI Solutions will present its key network and fiber testing solutions at the 21st China International Optoelectronics Exposition (CIOE 2019), exploring the new potential of optoelectronic technol...[Details]
There are several issues to consider when trying to reduce the power consumption of an AVR controlled system. In general, use sleep modes as much as possible and keep as few modules as possible runni...[Details]
The engine closed-loop feedback system is an advanced control technology that monitors the engine's operating status in real time and automatically adjusts the engine's operating parameters to achi...[Details]
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