How is impedance matching determined in a circuit? When I looked at some circuits, they said that the impedance matching resistor is 50Ω, and some are 75Ω. I looked up information online, but I still ...
Recruiting analog chip design engineers, 211, 985 schools, 4 years of undergraduate work experience, 3 years of master's degree, PhD graduates. Workplaces available: Chengdu, Xi'an, Shanghai, Shenzhen...
Pimoroni Pico Libraries and Examples contains a set of C/C++ and MicroPython libraries for the Raspberry Pi Pico.moroni Pico Libraries and Examples, a collection of C/C++ and MicroPython libraries for...
[i=s] This post was last edited by lising on 2018-10-28 12:59 [/i] To use this development board, you must first have a necessary understanding of it. Here, we use the information provided by the foru...
[size=4]The visual system as a whole should include hardware and software. [/size] [size=4]The hardware includes cameras, lenses, light sources, IO cards, and industrial computers. [/size] [size=4]The...
At present, the more commonly used communication solutions for wireless transmission of industrial IoT sensor data collection to monitoring servers are GPRS/4G, 433MHz and 2.4GHz. Low-power wide area ...
0 Introduction
The RFID system based on SAW (Surface Acoustic Wave) tags uses SAW devices manufactured by advanced microelectronic processing technology. It has the advantages of small size, light ...[Details]
Bird and u-blox have collaborated to develop the first intelligent pedestrian protection solution based on multi-sensor fusion. Shanghai, China - October 21, 2021 - Bird, an environmentally fri...[Details]
HDYZ-E zinc oxide lightning arrester live tester panel and components function introduction 1 Hosting Panel The layout of the host panel is shown in Figure 3. 1.1 Current input: There are three inpu...[Details]
Senator Amy Klobuchar introduced a revised version of the American Choice and Innovation Act last night as the US government continues to work on legislation targeting big tech companies and mandatin...[Details]
The selection of high-power LED
lamp beads and
LED
point light sources should be analyzed from the following 9 aspects:
1. LED
brightness
The price of ...[Details]
introduction
The popularity of cars has brought convenience to people's lives, but it has also posed a big problem to people - car anti-theft. This design is to solve the shortcomings and deficienc...[Details]
The capacity of an electric energy meter is expressed in amperes of calibrated current, which is usually marked on the nameplate. During use, the normal load current of the line should be equal to or...[Details]
1 Introduction The initial magnetic permeability method is based on the electromagnetic non-destructive testing method to detect steel materials. It has been widely used in the industry because of...[Details]
Chip Introduction
SHTll is a digital temperature and humidity sensor produced by Sensirion. It is a fully calibrated digital output sensor that integrates temperature sensitive elements, hu...[Details]
How simple, nothing more than read, write and erase, like our nand data width 8bit, one cycle is more than enough. But the address is different, for example, this nandflash capacity is 256M = 2^28,...[Details]
The most commonly used hardness testers in industrial and mining enterprises and scientific research units are mainly metal Rockwell, Brinell and Vickers hardness testers. Among them, the metal Rockwe...[Details]
1. Introduction
MTU (Master Terminal Unit central dispatcher) and RTU radio telemetry system based on AVR microcontroller and dedicated MODEM chip.
Remote RTUs (the system can carry 2...[Details]
According to the latest news, Xiaomi is already preparing for its next-generation flagship phone, Xiaomi 11. This phone will be equipped with a Snapdragon 875 processor and will also have a limited-t...[Details]
1 System Principle and Design
1.1 Detection Principle
At present, there are two common types of mice, wheel type and photoelectric type. The wheel type mouse relies on the transmissio...[Details]
Each machine must define its own machine_desc structure, which defines some of the most basic characteristics of the machine.
struct machine_desc {
unsigned int nr; /* architecture ...[Details]
Analog electronics
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