I want to ask if the STLINK programmer can provide 5V and 3.3V voltages, is it because it has a built-in step-down module? Also, do you usually use the programmer like the one in the picture below?...
EXTI2 is used to detect the signal of the human infrared detection module HC-SR501 . HC-SR501 is an automatic control module based on infrared technology.
Use PA2 as the input of the external interrup...
I want to build a high-frequency microvolt signal amplifier circuit that amplifies 50UV sinusoidal signals within 10MHz. I hope to amplify the 50uV signal to about 10mV. I can consider the solution of...
[i=s]This post was last edited by freebsder on 2019-4-7 14:37[/i] [p=26, null, left][color=rgb(79, 79, 79)][font="]Regarding 5G communication, most common articles are obscure and difficult to underst...
General calculation method for PCB line width and current carrying capacity:First derive A from I, K, T, and then derive W (in mil) from A and d. The commonly used PCB copper coating thickness d=1.378...
As Henry Ford observed in 1923, “Saving even a few pounds on automobiles…means they go faster and use less fuel.” This timeless truth is exactly why the lithium-ion battery chemistry industry is l...[Details]
void delay(char n) { char i; for(i=n;i 0;i--); //Look at the assembly and you will find that 3 instruction cycles are used here. The 4M crystal oscillator is 3us and the 51 microcontroller 12...[Details]
Dry lint tester The dry lint tester is also called a twist tester. This equipment is used to evaluate the lint test of nonwoven fabrics under dry conditions. It is mainly suitable for the evaluation ...[Details]
The stepper motor is an open-loop control element that converts an electrical pulse signal into an angular displacement or a linear displacement. In the case of non-overload, the speed and stop positi...[Details]
Shenzhen, July 31, 2023 /PRNewswire/ -- Recently, TÜV SÜD Group (hereinafter referred to as "TÜV SÜD") issued PPP 51096A*, PPP 51097A*, and UL 1973 and other standard certification certificates for...[Details]
Over the years, the performance of electronic systems has increased in tandem with the steady increase in semiconductor integration and functionality, improvements in simulation models, changes in ar...[Details]
In LED lamps
, the heat dissipation is directly related to the quality and life of the product. However, due to the hype of some merchants and the misleading of so-called experts, some misund...[Details]
1. Compilation reason: I used the zImage file of Stao, and the MPlayer I compiled myself could not be used. I had to add the --nosound option to play the video. Later, I saw an article saying t...[Details]
Evergrande Auto told investors a perfect story. At Evergrande Group's 2020 annual performance meeting, Evergrande Chairman Xu Jiayin talked about the much-talked-about "Evergrande Automobile" an...[Details]
On June 22, 2021, the grid-connected trial operation and strategic cooperation agreement signing ceremony of the Chenzhou Jiucaiping Energy Storage Power Station Project of Hunan Gaoxin Venture Cap...[Details]
Today, Xiaomi announced the launch of the Mijia LCD Small Blackboard Storage Edition, with a retail price of 349 yuan and a crowdfunding price of 299 yuan. Crowdfunding will start at 10:00 am ...[Details]
In an age where everyone has a camera phone, digital camera or DV, everyone can capture and create images anytime and anywhere. In the era of HDTV, we want every picture we see to be gorgeous. Howe...[Details]
Master the method of low-frequency measurement with frequency counter The first step is to use DC coupling. DC coupling removes the blocking capacitor that is normally placed in series with the input...[Details]
1 Introduction
This paper introduces an induction heating inverter power controller using soft switching technology. Using soft switching technology, the power device switches when the curren...[Details]
Recently,
Gasgoo Automotive Research Institute
released the "
Smart Cockpit Configuration Data List from January to August 2024
", which fully demonstrated the characteristics of th...[Details]