[table=98%,rgb(239, 245, 249)] [tr][td]I plugged the Lattice programmer (emulator) ispDownload into the computer's USB port, but it showed that the driver failed to be installed successfully in the co...
How can I convert the files transmitted from the ECG machine to the computer through the serial port into readable files (readable files include ECG format\DICOM format\BMP format)??? Urgent!!!...
The maximum allowable current of LM7808 is different for products from different manufacturers. The maximum allowable current of CONTEX is 1A, and that of NS and FS is 1.5A. If this value is exceeded,...
[i=s]This post was last edited by Doraemon on 2015-4-10 22:17[/i] [url=http://pan.baidu.com/s/1bnHD9uR]http://pan.baidu.com/s/1bnHD9uR[/url](Keil uVision4 V.9.00 includes a registration machine, just ...
Ucos ii version 2.8 and later has a timer module that can periodically call a callback function. Can you give a specific example and show which functions to use?...
The medical B-ultrasound front-end circuit requires a high voltage of positive and negative 80V. After the PCB board is produced, there is a lot of interference between the power supply and the ground...
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]
0. Introduction
In daily life, we often see some special-purpose vehicles. When these vehicles pass through intersections, they often obtain the right of way at intersections by temporarily op...[Details]
This paper designs a dot matrix LED text display screen that is easy to update, expandable, and low-cost. The way to reduce costs is
① Use the Bluetooth data transmission function of mobile ph...[Details]
With the rapid development of urban economy, elevators are increasingly used as a vertical transportation tool. However, elevator fault detection and maintenance, especially the role of elevator remot...[Details]
1. With the development of modern industry and the continuous improvement of automation, some medium and large control systems have been greatly facilitated, which not only makes control easier, bu...[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]
PV inverter manufacturer SMA has launched its first DC arc fault circuit interrupter (AFCI) PV inverter and has received UL certification.
The new SunnyBoy AFCI inverter models include 3000-US...[Details]
LED is the abbreviation of light emitting diode, which is an electric light source made of semiconductor technology. The core part of LED is a chip composed of P-type semiconductor and N-type semi...[Details]
The potentiometer is an adjustable electronic component. The main functions of the potentiometer in the circuit are as follows:
1. Used as a voltage divider
A potentiometer is a continuou...[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]
Among the many members of the single-chip microcomputer family, the MCS-51 series of single-chip microcomputers has occupied the main market of industrial measurement and control and automation eng...[Details]
From the previous section, we have learned that the timer/counter in the microcontroller can have multiple uses, so how can I make them work for the purpose I need? This requires setting the timer/...[Details]
At very low temperatures, certain metals and alloys lose their resistance to electric
current
and become
superconductors
. Two parameters that are often measured are the transition ...[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]