You can download the 3gpp/3gpp2 download address yourself.http://www.3gpp.org/ftp/Specs/ Specificationshttp://www.3gpp.org/specs/numbering.htm Add 3GPP2http://www.3gpp2.org/Public_html/specs/...
Based on IEEE 802.11ah, Wi-Fi CERTIFIED 802.11ah or HaLow is a low-power, long-range Wi-Fi standard that operates at 900 MHz. 802.11ah (HaLow) was introduced by the WiFi Alliance in 2016. WiFi Certifi...
I have received the Toshiba photorelay TLP3547 for a while, but because of some things in school, I didn't evaluate it in time and it was stranded for a while. Now that the National Day holiday is com...
Under the background of a new round of consumption upgrade, the demand for personalized and flexible production and manufacturing in the industry is becoming more urgent. Composite
robots,
...[Details]
Since December, smog has continued to invade Shanghai, with visibility once less than 50 meters, and the "Magic City" has instantly turned into a "fog city". In smog weather, all walks of life ha...[Details]
Under the public's great expectations and the accelerated process, on July 16, SMIC returned to the A-share market and landed on the Science and Technology Innovation Board. Of course, SMIC's return ...[Details]
The Stm8L series microcontroller has five low power modes: Wait mode Low power run mode Low power wait mode Active-halt with full RTC mode Halt Mode The lowest power consumption is the ha...[Details]
I have been using the Friendly Arm board for a while. I have gradually forgotten the knowledge of the storage system and I/O space. The reason is that when I was doing other development, I always use...[Details]
Heilind Electronics, a professional authorized distributor of interconnect and electromechanical products, will be at the 2020 Singapore Air Show (February 11-16, Singapore). At that time, Heilind El...[Details]
1 Introduction
Liquid crystal display (LCD) has low power consumption, small size, ultra-thin, light weight, and no distortion and convergence error of the geometric figures of the screen, so ...[Details]
Many electronics enthusiasts often need to measure the resistance of certain components or branches in the circuit when assembling and repairing electronic devices. Beginners usually think that onl...[Details]
Recently, everyone has been particularly sensitive to the word "reduction in configuration". A blogger posted a video showing a collision sensor on the front of a BMW that did not trigger the airba...[Details]
There are many types of multimeters, just like oscilloscopes. They are mainly divided into two categories: pointer (MF) and digital display (DMM), which are specifically divided into: 1. Handheld po...[Details]
stvd version information: ST Visual Develop Version 4.3.9 MCU model: stm8l051F3 Steps for stvd to build stm8l project: 1. Open stvd, File- New Workspace... Select Create workspace and project E...[Details]
In the PWM circuit, a resonant circuit of an inductor and a capacitor is connected. The current flowing through the switch and the voltage waveform applied to both ends of the switch are quasi-sine wa...[Details]
More than 20 years ago, I was an expert in Z80 assembly language. Later, I came into contact with 8086, and then C51 assembly language. Each time, I found something different from the language I lear...[Details]
1. How to measure resistance using an analog multimeter The resistance measurement circuit of the analog multimeter is shown in the figure below. Before measuring the resistance Rx, please short-ci...[Details]
The "call" instruction in the ABB robot programming instructions is a very important instruction, which allows the programmer to call another program or subroutine in the program.
Overvi...[Details]