To improve the efficiency of switching power supplies, it is necessary to distinguish and roughly estimate various losses. The losses inside a switching power supply can be roughly divided into four a...
1.time function
Header file: #include time.h (I can still run it without adding this header file)Define function: time_t time(time_t *t);Function description: This function returns the number of secon...
Table of contentsOverview: ESP32 MicroPython Web Server
Materials List
What is a Web Server?
Circuit Diagram and Connections
MicroPython code/program
boot.py code
main.py code
Monitoring Sensor Data o...
[align=center][size=14px][size=4][img=488,309]https://bbs.eeworld.com.cn/data/attachment//forum/201905/20/142723ylpdlg5sbitgf8il.jpg.thumb.jpg[/img][/size][/size][/align] [size=4][size=4] [/size] This ...
This design shows how to create a reliable, low-cost, simple inductance tester. The basis of this tester is a Pilz CMOS buffered oscillator (Figure 1). This oscillator uses a single CMOS inverter b...[Details]
SK Hynix announced that it has developed "PIM" (processing-in-memory), a next-generation memory semiconductor technology with computing capabilities.
At the same time, SK Hynix has also ...[Details]
Crystal oscillator is a commonly used clock component in circuits. Its full name is crystal oscillator. In the microcontroller system, the crystal oscillator plays a very important role. It combines w...[Details]
The picture speaks for itself. Solution 1: Drill holes from the back, a little bit towards the center. ACC-P07 has a total of 9 holes. Scrape the paint, insert the pull-up resistor, and ...[Details]
The signing ceremony of the official automotive service partner of the 19th Asian Games and the press conference for the launch of Geely Auto's Asian Games strategy were held at the Hangzhou Internat...[Details]
OPPO officially released its new flagship mobile phone, the OPPO Find X 3 series. In addition to the mobile phone, OPPO also released the OPPO Enco X true wireless Bluetooth headset with a new "blue ...[Details]
We have already explained to you the methods of completing the rewiring layer wiring on a pseudo single layer, including the "flip chip structure and pad allocation and wiring scheme", etc. Here we w...[Details]
1 Hardware Platform
1.1 A
DSP
-BF561 processor
Analog Devices
' Blackfin processor family has been further expanded
with the introduction of the ADSP-BF561
, which...[Details]
Nowadays, many people have heard of smart home to some extent, and even quite a few people have used or experienced some smart home products or scene functions. However, I believe that many people ...[Details]
In portable electronic products, touch screens have gradually replaced keyboards as a commonly used human-computer interaction input device for embedded computer systems due to their convenience,...[Details]
I recently saw an interesting circuit, as shown below. The input voltage is 20V DC, Q1 and Q2 are turned on alternately, the frequency is 100kHz, and the load RL is to be determined. What kind of circ...[Details]
Dimming of
LED driver circuits
is accomplished by using a variable duty cycle (pulse width modulation or
PWM
) approach
. The PWM approach takes full advantage of the capabilities of
the ...[Details]
Although 8-inch 200mm wafers seem to be much "backward" compared to 12-inch 300mm wafers, they still have wide market applications and production capacity has become increasingly tight in recent year...[Details]
This section mainly describes the core components and assembly process of LED energy-saving lamps and LED corn lamps, and conducts an in-depth discussion on the common RC step-down driven 1:1 LED...[Details]
On October 25, Shandong Power Exchange Center issued the sixth announcement on the application for registration of virtual power plants. Shandong Power Exchange Center conducted an integrity check ...[Details]
Embedded System
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