In the RFID system, the working distance between the reader and the electronic tag is an important indicator of RFID application.
This distance is closely related to the cooperation between the RFID t...
I have a design plan: Regarding cutting off the standby power, the US Energy Star is 3 watts, and Europe’s current standby is 1 watt.
My technology is to completely cut off the power supply, and "cut ...
Modern life is changing with each passing day, and people cannot live without electricity. In the process of using electricity, there are problems with electricity safety. In electrical equipment, suc...
Using the serial port debugging tool, the PC communicates with the 430 serial port. The serial port debugging tool can receive the data sent by the microcontroller, but the microcontroller cannot rece...
I plan to use jrtplib3.7 on ARM9 and Linux2.4 as an embedded video service. I can use arm-linux-cross-compile jrtplib without any problems. I wrote the programs for the receiver and the transmitter, c...
[color=#000][backcolor=rgb(232, 232, 232)][size=15px] The problem is this, taking channel 1 of timer 1 as an example, first consider complementary PWM without dead zone, assuming that PWM mode 1 is us...
In early 2002, I started to write a working program for an IC card prepaid electricity meter. The meter used Philips' 8-bit 51-expanded single-chip microcomputer
87LPC764
, and wa...[Details]
introduction
my country has a vast territory and a large population. The scale of housing construction is huge, and the amount of residential construction is large and wide. It is still on t...[Details]
This article discusses how to wake up a touch-sensitive device such as a tablet without touching the device, using basic gesture recognition and novel proximity sensors. The article discusses the p...[Details]
Microcontrollers (MCUs), which are widely used in automotive electronics, are rapidly facing time and cost pressures. The main advantage of using MCUs has always been to create high-level system in...[Details]
With the continuous improvement of the requirements of intelligent building security systems and the continuous improvement of people's safety awareness, indoor anti-theft has gradually attracted peop...[Details]
A multi-point temperature control heating control system was designed using the SST89E564RC single-chip microcomputer and a new temperature measuring device. The heating system can be controlled in...[Details]
Instrument stepper motor
The stepper motor is an open-loop control element that converts electrical pulse signals into angular displacement or linear displacement. In the case of non...[Details]
I. Introduction
Since RS232 has a short communication distance (only 15 meters according to EAT/TAI-232 standard), and can only perform point-to-point communication, it cannot directly f...[Details]
my country is a big country in agriculture, grain production and consumption. Grains are a necessary condition for our nation to survive and develop. The flour processing industry will exist forever w...[Details]
Digital array radar (DAR) uses digital beam forming (DBF) in both receiving and transmitting modes to achieve flexible distribution and reception of RF signal power in the airspace, obtain excellent t...[Details]
TC9012F is a universal CMOS large-scale integrated circuit for infrared remote control signal transmission, suitable for remote control of TV, VTR, laser player and other equipment. In the market, ...[Details]
This paper designs a 16x16LED Chinese character display bar based on single-chip dynamic scanning control, briefly analyzes the principle of Chinese character display, and studies how the LED displ...[Details]
According to the Industrial Technology Research Institute of Taiwan, due to factors such as the oil crisis and global warming, the issues of energy conservation and environmental protection have at...[Details]
LED technology has made rapid progress, and improvements in chip design and materials have promoted the development of brighter and more durable light sources, and the scope of light source applica...[Details]
The rectified DC voltage is then converted back to AC using power electronics such as insulated gate bipolar transistors.
The output voltage is switched on and off at a high frequency, control...[Details]