misc.c: Error: command-line: #992: invalid macro definition: USE_STDPERIPH_DRIVER£?STM32F10X_MD I changed the middle to a comma, why does this error message still appear?...
Xinhai Baby EK-LM3S811 User Experience (Sequence) g1.0_led
Before May Day, my classmates helped me to receive an email --- my long-awaited treasure EK-LM3S811 EVALUATION BOARD . The reason was that I ...
The EE_FPGA board has been idle for a while, I'm deeply sorry!Since there are a lot of things to do in the teaching and research department, I really don’t have the energy to continue. Now I want to f...
Due to time constraints, today I will mainly introduce the hardware part. The main principle is that MSP430 controls a card reader module RC522 to collect relevant information in the card and then tra...
After installing protel 99 se, the following problem occurred. I tried many methods but couldn't solve it. It's very urgent. I hope the experts can help me....
Web2.0 has a promising profit prospect 2006-7-11China's top portal website recently officially entered the full "blogging" state. On May 17, Ding Lei announced at NetEase's financial report press conf...
China's new energy vehicles are in a transition period from research and development to real industrial development. In 2012, with the intensive launch of new energy vehicle policy planning, the de...[Details]
introduction
The emergence of high-performance, low-power embedded CPUs and high-reliability network operating systems has made it possible to implement applications with large amounts of comp...[Details]
1 Introduction
Intelligent control instruments are one of the most commonly used controllers in industrial control. They are mainly aimed at a specific parameter (such as pressure, tempera...[Details]
1 Introduction
Water resources are the basic conditions for human survival and the lifeline of economic development. The reality shows that due to the global shortage of water resources and th...[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]
With concerns about the growing energy crisis, motor efficiency has become an important and timely topic. This is because motors use 63% to 70% of the electricity produced in the United States and ...[Details]
LED lighting: Basic circuit design can be completed in as little as one day
Semiconductor manufacturers are also getting involved in the LED lighting business. The power circuit of LED req...[Details]
With the widespread application of new services and technologies in the communications industry, the scale and capacity of operators' network construction are getting larger and larger, and the ris...[Details]
The ARINC429 bus is one of the most commonly used communication buses between various subsystems of avionics. As the "skeleton" of modern avionics systems, once the bus system or the attached airbo...[Details]
0 Introduction
In the design and construction of communication systems,
communication power supply
is called the heart of the communication system. The power supply system will dire...[Details]
1 Introduction
The stepper motor is an actuator of an open-loop servo motion system, which is controlled in a pulse mode and outputs angular displacement. Compared with AC servo motors and DC servo ...[Details]
1. Introduction
Stepper motor is a basic component that converts electrical energy into kinetic energy. It has been widely used in a variety of electromechanical equipment, such as various machine...[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]
1 Theoretical Analysis
Ultrasonic waves
When propagating in a suspension, the ultrasonic waves that encounter the suspended particles are scattered and attenuated at the interface, an...[Details]
1 Introduction
The function of the material transport vehicle is to lift the mixed finished materials into the finished material storage bin. In the early mixing equipment, the material transpo...[Details]