Recently, a digital tube display module was purchased for the needs of the project. It can display 8 digits at the same time and works in a serial-to-parallel conversion mode. Compared with convention...
Chapter 1
A Quick Introduction to MCUThis chapter explains in detail some basic knowledge about single-chip microcomputers and their related applications. At the same time, it also uses a key to contr...
Recently, the Bluetooth Technology Alliance (SIG) and ABI Research released the "2022 Bluetooth Market Latest Information". Let's take a look at the specific situation:In 2026, annual shipments of Blu...
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Introducing how to develop the ST sensor development platform SensorTile.box,...
Voltage ComparisonThe figure above is a typical signal conversion circuit, which converts the input AC signal into a square wave signal of the same frequency through the comparator LM393 (there is a p...
After the mmc upgrade, if the user uses the old image (code before May 2018), the mmc error and the system will fail to start. This is because there are several lines of code for determining the mmc ...[Details]
There are many methods to measure the load resonance frequency of a crystal oscillator, and the direct impedance method is one of them. It uses a network analyzer and is more accurate, convenient, ...[Details]
In the development of using pwm to drive the buzzer, the pwm is always at a low potential after it stops outputting, so the buzzer still consumes 70mah of current even though it is not working. There...[Details]
With the rapid development of modern communication technology and the continuous increase in communication capacity, the requirements for the quality of optical cable maintenance are becoming highe...[Details]
On September 27, according to the China Academy of Information and Communications Technology, the China Academy of Information and Communications Technology, Beijing University of Posts and Telecom...[Details]
We all know that general IC components usually only have two power supply pins, one is Vcc or Vdd, and the other is Gnd or Vss. However, today's MCUs usually have multiple sets of power pins. What is...[Details]
On the afternoon of October 9, a special signing ceremony for the Shanghang County Energy Storage Project was held at the Administrative Office Center of Longyan City, Fujian Province. The Liangdao...[Details]
Understanding PLC
Programmable logic controller uses a type of programmable memory to store programs internally, execute user-oriented instructions such as logic operations, sequential control...[Details]
Microchip Launches PIC32CM JH, a 32-bit MCU Based on Arm® Cortex®-M0+ Core, with Functional Safety, Cybersecurity Protection and AUTOSAR Support
The PIC32CM JH microcontroller is a 5...[Details]
LeddarTech®, the industry leader in LiDAR technology that provides the most versatile and scalable automotive and mobility LiDAR platform, will return to California to showcase its award-winning LiDA...[Details]
How to use a digital multimeter Digital multimeter is one of the most commonly used tools for measuring current, voltage and resistance. This article introduces five common ways to use digital multim...[Details]
Abstract: This application note describes how to implement an ultra-low-power, low-cost dual USB 2.0 port switch using the MAX4906EF. This circuit adds a 2:1 switch to a USB design with virtual...[Details]
This is a program from a project I developed before. The void ps_send(uchar x) function in it can send keystroke data to the computer. You just need to refer to the PS2 scan code table and fill i...[Details]
CAN bus (Controller Area Network) is a fieldbus communication protocol used in the automotive and industrial automation fields. It has high reliability, real-time and flexibility, and is widely use...[Details]
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