[color=rgb(51, 51, 51)] Let's analyze the function. The serial port debugging assistant sends data to the FPGA. From the perspective of the FPGA, CH340 controls the RX signal to change the RX signal a...
USB is a complicated and time-consuming thing for me. It mainly describes the device according to the function. For example, USB keyboard, USB virtual serial port, USB camera...
And Hetai also added t...
How to accurately judge the quality of the power IC chip in the circuit in daily circuit maintenance work is an important part of repairing TV, audio and video equipment. If the judgment is inaccurate...
The input frequency is 1k square wave entering the low-pass filter, filtering out the waveform shown in the figure. The cutoff frequency of the low-pass filter is 1k. Why does this distortion occur?...
Samsung's Galaxy S21 series will be unveiled early next month, and last month, the design and specifications of the Galaxy S21, Galaxy S21 +, and Galaxy S21 Ultra have surfaced. Now it is repor...[Details]
The circuit diagram of the 45W multi-channel output switching power supply composed of
TOP246Y
is shown in the figure. It can be used as a switching power supply for set-top box...[Details]
Screws are one of the most important fasteners in modern industry and are in great demand. For different hole diameters, the matching of screws and nuts is particularly critical. Minor differences ...[Details]
Use an 8-core wire, connect one end to the P1 port, and the other end to the field A-DP of the digital tube (A connects to p1.0, B connects to p1.1, ...), and connect the common end X1 of the first di...[Details]
Since the 1970s, chemists have been studying how to store solar energy in molecules that change state when exposed to light. Light-sensitive molecules are ideal solar fuels. Such fuels should be tr...[Details]
Host environment: Windows 7 SP1 Development environment: MDK5.14 Target board: STM32F103C8T6 Development library: STM32F1Cube library and STM32_USB_Device_Library The STM32Cube library provid...[Details]
0 Introduction
Multi-rate watt-hour meters are indispensable watt-hour metering products under the current electricity conservation and planned electricity consumption policies in my country. ...[Details]
Mobile wallet and digital key binding process
When users use car digital keys, they may be bound to mobile wallet APPs. The above is a flowchart drawn based on course materials and the o...[Details]
(Image source: electrek.co) According to foreign media reports, Rivian confirmed that it will offer an electrochromic glass roof for its electric pickup and SUV models, as well as several other ...[Details]
There are several different types of speaker enclosures or speaker boxes available - each type has its own characteristics and can better serve different purposes.
The type of speaker en...[Details]
This design uses the PIC10F222 from MICroChip. The PIC10F222 has a SOT23-6 package and provides three I/O pins, one input pin, RAM, flash, and an ADC module. These microprocessors must be planned j...[Details]
White
LED
is
an indispensable backlight source
for LCD TVs
and mobile phones equipped with
LCD
displays
. Recently, LED has been receiving increasing attention as a light source fo...[Details]
What is a servo motor?
A servo mechanism is an automatic control system that enables the output controlled quantities such as the position, orientation, and state of an object to follow any ch...[Details]
Requirements: Press the keyboard, and the six digital tubes will display the pressed value in a flowing manner. Connection: Connect chip select CS0 to key_LED_CS 1 #include reg52.h 2 #define LED...[Details]
Temperature probes and temperature sensors are two different devices that have their own characteristics and application scenarios in measuring temperature. This article will introduce the differen...[Details]
FPGA/CPLD
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