Identification of Common Components Identification of Common Components 1. Resistors Resistors are represented by "R" plus numbers in the circuit, such as: R1 represents the resistor numbered 1. The m...
This code is below the code that generates the wave. Does this code adjust the frequency by pressing a button? If so, how does it work? #pragma vector=PORT2_VECTOR __interrupt void Port2(void) { _DINT...
See AppendixAfter comprehensive consideration of the price/performance ratio, I plan to buy a 2T one.However, I haven’t decided which one to buy.Please recommend it to friends who are familiar with mo...
Red Bull stm32 fsmc 128M nand flash routine
When running the test in stm32 + ucos, it always crashes (jumps into hardfault)
But the routines of NOR flash and SRAM can be transplanted to UCOS and run O...
[align=left][font=Tahoma][size=10.5pt] [/size][/font][font=Tahoma][size=10.5pt]When the courier called me just now, I was still thinking that Milk Tea East was fast. I placed an order last night and m...
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]
Battery life is critical for portable applications. For applications such as smoke detectors, security devices, and thermostats, factory-installed batteries need to last for more than 10 years. The...[Details]
1. What is temperature?
Heat is a type of molecular motion. The hotter an object is, the faster its molecules move. Absolute zero is defined as the temperature at which all molecular motion ...[Details]
Capacitance Measurement
Used to verify that capacitors meet the manufacturer's specifications. For quality control, a group of capacitors may be placed in an environmental chamber and the cap...[Details]
introduction
MEMS is a high-tech that has flourished on the basis of integrated circuit production technology and dedicated micro-electromechanical processing methods. Pressure sensors develop...[Details]
Introduction
Automakers are working to reduce vehicle weight to reduce CO2 emissions and improve fuel efficiency. Designers are therefore seeking new technologies and design techniques that can...[Details]
At present, a large number of cooling tower fans, speed fans and special fans are in use in petroleum, chemical, pharmaceutical, metallurgical and other enterprises. Some fans have no monitoring in...[Details]
0 Introduction
Ultrasonic waves
are mechanical waves with a frequency of more than 20KHz, and the propagation speed in the air is about 340 m/s (at 20°C). Ultrasonic waves can be gene...[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]
The invention of the steam engine ushered in the first conversion of internal energy and mechanical energy for mankind, and the birth of the internal combustion engine at the end of the 19th centur...[Details]
People who often surf the Internet until late at night, their families always complain that turning on the big lights in the living room affects their rest, but some people don't have keyboard ligh...[Details]
1 Introduction
At present, advocating health has become the focus of people's attention, and the emergence of treadmills has become more and more popular. People can exercise at home or in the ...[Details]
1 Introduction
CAN (Controller Area Network) bus is a kind of field bus. It is used in many industrial sectors due to its outstanding advantages such as high performance, high reliability, high...[Details]
In the past 20 years, although the inverters that use power transistors (GTR) as inverter power devices, 8-bit microprocessors as control cores, and realize asynchronous motor speed regulation acco...[Details]
Since the implementation of the self-weight toll collection system, the highway administration has not only high requirements for the vehicle axle recognition rate, but also requires a long service li...[Details]