I'm ashamed to say that I didn't understand the user manual very well. Although my settings can use AD sampling, I don't know how the specific sampling frequency is calculated....
We all know that X86 laptops have the technology to dynamically adjust the main frequency, so how can we achieve this on ARM? The best answer of the day will be awarded with 200 ChipCoins [[i] This po...
[table=98%,rgb(239, 245, 249)] [tr][td]Hi everyone, I use LPC1768 SSP0 again, configured as SPI, and found that the voltage waveform of MOSI MISO is not high or low level. As shown in the figure below...
[align=left][font=微软雅黑][size=3] [/size][/font][/align][align=left][font=微软雅黑][size=3]The drizzle is like silk, moistening everything silently. With the coolness brought by the summer drizzle, we have ...
I use STM8S207 IIC with M41T0M6 clock chip.When there is interference, IIC cannot read, and it is dead, but it cannot be restored. I use the official library of STM8.Please ask all the masters, is the...
The SIM300C module is integrated with the TCP/IP protocol and can be used directly. I am now using the SIM300C to send and receive text messages, dial phone numbers correctly, and the network is conne...
1. Introduction
RFID (radio frequency identification) is a non-contact automatic identification technology that emerged in the 1990s. It uses the characteristics of radio frequency signal prop...[Details]
All electronic design engineers and scientists have performed electrical signal analysis, or signal analysis for short. Through this basic measurement, they can gain insight into signal details and...[Details]
Electronic systems are located at different points on the automotive power bus and therefore often need to operate under very stringent power requirements. These include load dump, cold crank, very lo...[Details]
Images in science fiction movies often break through the limits of reality, such as in the movie "Minority Report." Tom Cruise uses a multi-touch screen to browse information. Capacitive sensing te...[Details]
1. Principle of displacement angle sensor
The angle sensor is used to detect angles. It has a hole in its body that fits the LEGO axle. When connected to the RCX, the angle sensor counts once ...[Details]
1. Introduction
At present, most lighting equipment still uses traditional energy for lighting. Making full use of solar energy as the energy supply for lighting equipment is of great si...[Details]
1. With the development of modern industry and the continuous improvement of automation, some medium and large control systems have been greatly facilitated, which not only makes control easier, bu...[Details]
Overview:
This paper introduces a method of connecting a CAN-bus network with Ethernet to form a medium-sized remote monitoring/data transmission network.
CAN (Controller Area Network) is ...[Details]
1. Introduction
Testing the temperature of steel billets before rolling is an important measure to ensure the quality of steel. Traditional manual testing is difficult to ensure product qu...[Details]
Xiaomi, a well-known Internet phone in mainland China, won a million-unit order contract from China Unicom on November 20 last year, which made Xiaomi famous in mainland China. In April this year...[Details]
The automotive lighting and signal control system is responsible for controlling the vehicle's lighting, signal lights, electric horns, reversing and brake buzzers. Traditional automotive lighting...[Details]
The typical fault troubleshooting listed below is for reference of maintenance personnel.
When the computer is turned on, the indicator light is off and there is no screen display
Mainte...[Details]
The potentiometer is an adjustable electronic component. The main functions of the potentiometer in the circuit are as follows:
1. Used as a voltage divider
A potentiometer is a continuou...[Details]
Many battery-powered systems require a visual indicator to show when the battery needs to be replaced. LEDs are commonly used for this purpose, but they consume at least 10mA of current. This con...[Details]
In recent years, with the rapid development of the information industry, dot matrix LED display screens have been widely used in various advertising and information display systems such as the fina...[Details]