I have just come into contact with STM8S, and I would like to ask the experts a few questions. The compiler I use is cosmic, and the editor is STVD.1. How to define global variables,2. How to declare ...
The power management chip replacement models are as follows: RT9221----SC1164 RT9222----SC1165 RT9223----SC1153 RT9224----HIP6004B RT9224B--CL6911E RT9224C--HIP6004D RT9224E--HIP6004E RT9227A---HIP601...
I am debugging the software of a wireless mouse board. Now I want to send some data to the computer through the serial port for observation, but my computer does not have a serial port, so I used a US...
Thanks to EEWORLD for organizing this event, which provided us with a great learning platform. By participating in the video tutorials, I learned about the architecture, peripherals and development en...
The circuit shown in the figure is a three-digit tachometer used to measure low frequency signals with a repetitive time interval of 0.235 to 15 seconds. The tachometer has a speed range of 4 to 255 r...[Details]
Pulse oximeters, non-invasive instruments used to monitor a patient's blood oxygen saturation, are benefiting from moving away from expensive discrete component solutions toward more integrated design...[Details]
In the test of the electronic ignition module, in order to simulate the real working condition of the electronic ignition system, the electronic ignition module is often placed in an environment hi...[Details]
Infrared remote control is widely used in household appliances, security, industrial control and people's daily life, especially household appliances and security.
When there are many TVs, VCD...[Details]
Today, as network technology becomes more and more popular, industrial field instruments, data acquisition and control equipment are becoming more and more networked, and the combination of industr...[Details]
With the development of supermarket industry and the strengthening of loss prevention awareness, the use of electronic anti-theft equipment (EAS) has become very popular in various parts of the countr...[Details]
DC regulated power supply is a commonly used electronic device, which can ensure stable output voltage when the grid voltage fluctuates or the load changes. A low ripple, high-precision regulated p...[Details]
1 Basic structure and function of implantable cardioverter defibrillator (ICD)
ICD consists of two parts: the pulse generator and the electrode lead. The main components of the pulse generator...[Details]
Abstract This paper
introduces a wireless radio frequency transmission chip nRF9E5 based on 8051 core. The remote control system of flapping-wing micro-aircraft is made by using this chip. Th...[Details]
LED dot matrix blocks have the advantages of high brightness, uniform light emission, good reliability, and easy assembly, and can form display screens of various sizes. At present, LED display scr...[Details]
1 Introduction
Economic development has prompted people to continuously improve their security awareness. When traditional local analog monitoring methods gradually fail to meet the needs of l...[Details]
Pulse compression technology refers to the process of modulating the wide pulse signal emitted by the radar (such as linear frequency modulation, nonlinear frequency modulation, phase coding), and ...[Details]
With the improvement of people's requirements for vehicle riding comfort and the development of passenger car suspension technology in my country, air suspension is increasingly used in passenger ...[Details]
Development Status
Looking at the development of security monitoring technology: from the first generation of analog monitoring, to the second generation of digital monitoring, and then up...[Details]
Today, many wireless devices combine GSM, WCDMA, Bluetooth, WLAN, GPS and FM technologies and support the high data rates required for mobile Internet. Moreover, as customers demand mobile wireless...[Details]