Recently, I need to make a CAN adapter with USB interface for device online setting and online upgrade. STM32 has many integrated CAN, here only USB port and CAN port are needed. It is said that the l...
[font=微软雅黑][size=4]TI Store platform upgrade New Year Carnival, from December 19, 2016 to January 7, 2017! TI Store provides you with accurate real-time chip inventory display, convenient visitor chec...
I am working on a camera driver recently. I am using an ov9650 camera with a Samsung S3C2450 chip. Could you please tell me what MSDMA is? Can you give me a brief introduction? Is it necessary to use ...
MSP430 provides a very rich interrupt source, including IO interrupt, timer interrupt and some interface interrupt (SPI, UART, I2C) and so on.Let me share with you some features of MSP430 interrupt.Fi...
[size=4]Yesterday I received the [color=#000][font=tahoma, arial, 宋体, sans-serif]Helio SOC kit development board from eeworld. First of all, thank [/font][/color]eeworld for giving me this experience ...
I want to choose an arm chip recently. It requires an MMU and I want to run Linux. In addition, I don't want to add RAM and ROM. Please recommend an arm chip that can meet the above requirements. Than...
High efficiency and low standby power consumption are two major challenges in today's switching power supply design. Resonant topology or LLC topology is becoming increasingly popular because it ca...[Details]
With the promotion of the construction of intelligent communities in the country, anti-theft systems have become essential equipment for intelligent communities. Especially in recent years, the urg...[Details]
Remote keyless entry (RKE) systems have become popular with users, with more than 80% of new cars in North America and more than 70% in Europe equipped with RKE systems. In addition to the obvious ...[Details]
System design is a complex process. It is not enough to just use ICs. There are many details to consider. This article uses a high-fidelity music playback system as an example to introduce how to s...[Details]
With the development and widespread application of computer technology, especially in the field of industrial control, computer communication is particularly important. Although serial communication g...[Details]
1 Introduction
There have been many studies on the detection and protection of power grid short circuit and line fault. The short circuit, overload and overvoltage protectors on the market have ...[Details]
The concept of state machine
State machine is an important concept in software programming. More important than this concept is its flexible application. In a clear and efficient program, ther...[Details]
Single-chip microcomputers are widely used because of their small size, powerful functions and low price. This article introduces the method of designing a micro electronic piano using the AT89C51 sin...[Details]
We know that the inverter consists of two parts: the main circuit and the control circuit. Due to the nonlinearity of the main circuit (switching action), the inverter itself is a source of harmoni...[Details]
Motors are important products that convert electrical energy into mechanical energy to achieve automation, and they are widely used in industrial control, medical electronics, white a...[Details]
LED guardrail lights use fluorescent tubes or LEDs as light sources and continuous guardrails as carriers to form an approximately linear guardrail light strip. This article mainly introduces...[Details]
Since AC mains power may experience power outages, voltage sags and surges, continuous undervoltage and overvoltage, and frequency fluctuations during supply, these factors will affect the continuous ...[Details]
Introduction
In industrial control, speed measurement is often required. Generally, a contact tachometer is used. This tachometer must be placed against the center of the shaft to measure. It...[Details]
In the "digital pressure measurement" experimental device of applied physics, the subject technical knowledge of analog circuits, digital circuits, sensors and single-chip microcomputers is used. In o...[Details]
With the rapid development of the national economy, lifting and hoisting operations are used more and more frequently and widely in various fields of economic construction. China has continuously expl...[Details]