The input is 3.3V TTL high and low level. The Darlington output should be the opposite level of TTL. I checked and it is always in the same state. What's going on?Also, the PMOS at the back end is alw...
BIPES is an open source project that integrates Google Blockly, WebREPL, MicroPython, documentation, an IOT platform for sending and viewing data, an enhanced web file manager using WebREPL and an onl...
Computer instructions are classified based on the length of the instruction set: RISC (Reduced Instruction Set Computing) and CISC (Complex Instruction Set Computer).Typically, 99.99% of the CPUs in m...
[i=s]This post was last edited by lb8820265 on 2020-9-26 13:25[/i]The previous article introduced the HID report descriptor and the corresponding routines in detail. In fact, it is not necessary for a...
At present, China's integrated circuit field is witnessing a two-way rush of capital and industry. In the process of realizing the localization of chips, capital has never been lacking. However, as m...[Details]
We often see different expressions such as ARM7, ARM9, ARM11, and armv6k. And in GCC compilation, we often use -march, -mcpu, etc. What do they mean? Sam himself is not very clear, but he has a vague...[Details]
illustrate:
1. This document is based on Linux 2.6.32 and has been tested on TQ2440.
2. arm-linux-gcc version
Thread model: posix
gcc version 4.3.3 (Sourcery G++ Lite 2009q1-203)
...[Details]
Program functions: There is a black independent button (K3) on the lower left of the experiment board. When we press it, the state of D1 (LED light) will be reversed. Thought analysis: We set I...[Details]
Case number one: Instrument model: 8720ES Instrument failure: does not turn on The customer described that the instrument suddenly went black and could not be restarted while in use. Based on the fau...[Details]
In the early morning of October 19th, Beijing time, Apple’s second new product launch conference of the fall arrived as scheduled. Apple fans were not disappointed. The new generation of MacBook P...[Details]
On October 27, official news from LG Chem showed that LG Chem and Toray signed a cooperation agreement. The two parties will invest more than 1 trillion won to establish a joint venture "LG Toray Hun...[Details]
1 Introduction
A trigger tube is a device that uses the gas medium in the tube to generate discharge under the action of an external electric field to achieve various application purposes. Acc...[Details]
Five working modes of STM8 ADC The ADC of STM8 is a 10-bit successive approximation analog-to-digital converter with up to 16 multifunctional input channels. It has 5 conversion modes and can gener...[Details]
On June 5, the reporter learned from Tsinghua University that Professor Zhang Yihui's research team at the School of Aeronautics and Astronautics and the Flexible Electronics Technology Laboratory ...[Details]
According to statistics, there are only 40,000 ophthalmologists in China, which is far from enough to serve the eye health of 1.4 billion people. The lack of resources and uneven distribution of oph...[Details]
1. Main principles 1.1 Basics Control is nothing more than setting the registers of 2440. Only if you have a certain perceptual understanding of the parameters in the registers can you understand why...[Details]
The safe and reliable driving of power switch tubes is a problem that must be solved by power converters. Common IGBT driver modules include TLP250, M57962, and EXB841/840. However, due to the particu...[Details]
According to Jiwei.com, on October 5, Unigroup Guoxin responded to investors' questions on the interactive platform, saying that when Yangtze Memory was established, in order to avoid potential compe...[Details]
On November 3, the reporter learned from Panzhihua Urban Construction and Transportation (Group) Co., Ltd. that Panxi Financial Leasing (Shanghai) Co., Ltd. (hereinafter referred to as Rongzuo Company...[Details]
Motor Drive Control（Motor Control）
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