[i=s]This post was last edited by ksniper on 2021-6-21 16:15[/i]I am very happy to read the physical version of Zheng Huimin's book "Operational Amplifier Parameter Analysis and LTspice Application Si...
I'm tinkering with AD7190. The data can be read, but sometimes it's wrong.Most of the values are correct, but sometimes they are very different.The program was written by another person, who said he u...
We are looking for MCU sales engineers: experienced, able to open orders, annual salary 100,000 to 300,000+, no upper limit. Ms. Sun 15817472114 (same as WeChat ID), location: Xixiang, Baoan....
When reading the book "496 C Language Questions You Must Know", the "Duff Device" is mentioned, mainly the following code:
register n = (count + 7) / 8;
switch (count % 8){
case 0: do { *to = *from++;...
Dear experts, please help me. . I am making an MP3 player recently. The general method is to read the audio file in the SD card with stm32f103vet6, and then pass it to VS1053b for decoding and playbac...
Based on the purpose of effective use of energy, a power supply system is designed. The single-chip microcomputer P87C52X2BN and the FPGA chip EP1C6Q240C8N are combined with the peripheral circuit ...[Details]
Judging from many previous news, Apple will make significant changes to the design of the iPhone 14 this year. Specifically, it will cancel the bangs design and replace it with a perforated scr...[Details]
The history of Intel's wireless cellular modems is a bit complicated compared to its computing division. The company has cellular modems used for: 3G, known as Intel SoFIA; 4G, a big hit on a v...[Details]
For embedded applications requiring the highest levels of safety and reliability
New low-power SSDs feature unmatched security designed for defense and industrial markets and are available in a...[Details]
Working principle of PIC
microcontroller's 4×4 column keyboard:
(1) Principle of single chip computer system keyboard
The connection method of the column keyboard is more compl...[Details]
On Tuesday, two new Realme 5G phones appeared on the website of the Ministry of Industry and Information Technology. The model numbers are RMX2176 and RMX2200, supporting dual SIM cards and 5G networ...[Details]
Earlier this year, Google introduced the ability to track key vitals directly on Android devices, and now Fit on iPhone has quietly gained the same capability, measuring your heart rate and brea...[Details]
Abstract: 1. Purpose To ensure the accuracy of the oscilloscope and reduce human errors, simple operations must be mastered. 2. The scope applies to oscilloscopes. 3. Preparation before operation 1. ...[Details]
FEV Europe GmbH has made a document introducing the thermal integration issues of high-speed traction motors in electric vehicles and proposed some future trends and solutions.
● Motor t...[Details]
Huahong Semiconductor, the second largest wafer foundry in China, was listed on the Science and Technology Innovation Board today, with an issue price of 52 yuan per share and an opening price of 58....[Details]
Overview Different ECUs in the vehicle can communicate with each other. Each module has different data formats and communication rates. If there is no coordinated gateway, communication confusion m...[Details]
As one of the largest automobile groups in China in terms of production and sales, SAIC Motor 's layout in the field of fuel cell vehicles in 2019 attracted much attention. Recently, SAIC Motor rel...[Details]
San Diego-based technology giant Qualcomm Inc last month once again lowered its smartphone shipment forecasts and made a pessimistic assessment of the coming quarters, the Wall Street Journal reporte...[Details]
After entering the 10nm process, Moore's Law seems to have failed. The time required to double the performance of processors has been extended from two years to three years, and the development of th...[Details]
Function of the circuit
Devices that play the same role as variable resistors include FET drain-source resistors, analog multipliers, etc., but they cannot float. This circuit u...[Details]
Analog electronics
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