1. Schematic diagram We know that a speaker or buzzer will make a sound when a fluctuating current is added to its two ends. To generate sound, the hardware circuit of a single-chip microcomputer is r...
I found a CD4013 push button switch circuit on the Internet, and replaced the pnp with a P-channel field effect MOS tube AOD417. I connected the pins as marked in the figure and connected it to a 12v ...
The development board finally arrived as expected. I unpacked it eagerly and found that it was still in the familiar packaging style, as shown in Figure 1.Figure 1 Development board packaging
After op...
[size=4]The test program is obviously not the main body of pmsm3_1, but there are many places that are difficult to understand. The following is my personal opinion. There may be some mistakes. I hope...
[i=s]This post was last edited by yang8555u on 2022-7-27 13:35[/i] Last time I posted, I asked everyone in the forum, trying to find the complete system SDK of RT-Thread for N32WB452, but unfortunatel...
Sina Technology News on the morning of November 26th, it is reported that because of the green color of its brand logo, OPPO is also known as the Green Factory in the mobile phone circle. It is worth...[Details]
Industry insiders pointed out that the penetration rate of Wi-Fi 6 in the PC and router markets will increase from 20%-30% this year to 50%-60% next year. In addition, under the condition of limited ...[Details]
4.3V~ 42VIN to 3.3V/5A Output Step-Down Converter. The LT3976 is an adjustable frequency, monolithic, step-down switching regulator that accepts a wide input voltage range up to 40V. The low quiesc...[Details]
Toyota Motors announced that it will sell ultra-compact pure electric vehicles in Japan in the winter of 2020, and the models are divided into a series, aiming at ultra-compact vehicles for daily sho...[Details]
This week, LED driver IC manufacturers have issued price increase letters one after another. These price increase letters all point out that the reasons for the price increase are due to the rising ...[Details]
LED
is
a
photoelectric
device made
of
pn junction
using compound materials
. It has the electrical characteristics of pn junction devices: IV characteristics, CV character...[Details]
I don’t know if you still remember how much the color TV in our home cost back then. If converted to today’s price, you should be able to buy a flagship-level TV. However, with the rapid development ...[Details]
On December 6, market research firm Omdia released a report titled "OLED Notebook Panel Development Plan and Outlook 2022", which showed that in 2021, Samsung Display's OLED notebook panel shipments ...[Details]
1. Principle The 8051 series microcontroller has a universal asynchronous receiver/transmitter (UART) for serial communication. When sending, data is led out from the TXD pin, and when receiving, d...[Details]
When many people hear the word "robot", words such as "cool appearance", "powerful functions" and "high-end" come to mind, and they think that robots are as high-end and cool as the "Terminator" in...[Details]
We recommend using the following output current function to calculate power loss:
The next step is to take the simple expression above and put it into the efficiency equation:
In this way,...[Details]
On May 18, 2023, the opening ceremony of the Nidec Motion Control and Drive Division Asia R&D Center (NMCG) was successfully held at the Xinglian ERE Technology Park in Sanlong Bay, Nanhai District, ...[Details]
In a letter sent to leakers in China, Apple warned that leakers could be giving third-party accessory makers false dimensions and details of unreleased products. The move follows a coordinated effort...[Details]
1.
Application of
power
electronics
technology
Power electronics technology is an emerging technology. It is formed by the intersection of three disciplines: electricity, electroni...[Details]
As autonomous vehicles continue to develop, they must be equipped with systems that work in harmony with existing infrastructure and need to be able to handle complex urban landscapes. For example, t...[Details]