uchar Read_DS1302Byte(void) { uchar i; T_RST = 1; for(i=8; i>0; i--) { ACC = ACC >>1; T_IO=1; ACC7 = T_IO; T_CLK = 1; T_CLK = 0; } return(ACC); } This is to read a byte. It can run according to this p...
My company has a machine with an RS-232 interface. Now I want to connect it to a computer interface via RS-232 and read the information in the machine on the computer. The protocol diagram is as follo...
In EVC, I want to add an image to the menu. Set the property to bitmap, use CommandBar_AddBitmap(mbi.hwndMB, AfxGetApp()->m_hInstance, 1, IDB_BITMAP1, 64, 16); I want to add a 64*16 bitmap to a menu. ...
This paper discusses the method of designing the low noise amplifier (LNA) at the receiving end of the radio frequency . The design uses the HP gallium arsenide field effect transistor (HPATF221186). ...
I lead nCS5, DATA[0:8], ADDR[1:5], nWE, nOE, nRESET_out to FPGA (XC2Sxxx) through pin headers (motherbars) on the expansion slot of YL270; the bus goes through the 16245 chip to the expansion slot, an...
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]
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 Introduction
As an emerging microfabrication technology, micro-electromechanical system (MEMS) technology has begun to be applied in various fields. It can integrate functions such as inform...[Details]
0 Introduction
With the development of society, people pay more and more attention to security work. Monitoring products have been used in various fields instead of being used only in importan...[Details]
Flooded Batteries
This battery developed in Germany can be used to power flashlights, strobe lights and toys as long as it is filled with water. This battery can be stored for 50 years and can...[Details]
Introduction
Liquid crystal, as a display device, is widely used in low-power products such as instruments, meters, and electronic equipment with its unique advantages. In the past, the displ...[Details]
Printed circuit boards ( PCBs
)
are used in most electrical products
. If a PCB has low
insulation resistance
(IR), the performance of the circuits on the PCB will be greatly reduced...[Details]
Only a small number of LED manufacturers can produce high-quality LEDs. For applications that are only used for simple indication, low-quality LEDs are sufficient. However, high-quality LEDs must...[Details]
1. Introduction
With the increasing popularity of fully automatic washing machines, consumers have higher and higher requirements for their environmenta...[Details]
With the rapid development of cities and the improvement of citizens' living standards, the number of various vehicles in cities is growing, and the demand for parking spaces in major commercial an...[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]
1 Introduction
With the rapid economic development, my country's electricity demand has been growing at a rate of more than 20% per year. According to the current economic development trend an...[Details]
This article discusses the six design steps of LED lighting system design in detail: (1) determine the lighting requirements; (2) determine the design goals and estimate the optics; (3) the efficie...[Details]
Electric bicycles have long been a means of transportation for lower-income groups due to their affordability. The largest concentrated expense in the use of electric vehicles is the cost of replac...[Details]
Currently, the commonly used solar cell technologies include monocrystalline silicon solar cells and polycrystalline silicon thin-film solar cells. Production process: Monocrystalline silicon solar...[Details]