u8 sd_raw_get_info(struct sd_raw_info* info) { ... } How do I use this subroutine? For example, u8 mmcWrite(u32 sector, u8* buffer), I only need to define unsigned char SD_Write1[]={"0123456789"}; in ...
[i=s]This post was last edited by nos001 on 2019-7-21 21:55[/i]The UC3843 BUCK step-down circuit works normally at no-load and low current. From the current sampling using 1R, it can be seen that the ...
The infrared LED used in the remote control is not completely infrared light, but also contains some visible light (red) components, so the naked eye can see a little light. The LED used in the remote...
I have a client program in WinCE 6.0. It calls InitializeSecurityContext twice to authenticate with Google server. The first call returns SEC_I_CONTINUE_NEEDED, and the second call returns SEC_E_WRONG...
【Virtual Instrument Competition】Medical Service Robot : https://training.eeworld.com.cn/course/1921The work of the 2015 National Virtual Instrument Competition of University of Shanghai for Science an...
First send a high level of 30ms, then send a pulse wave with a period of 15ms, the duty cycle is 2/3, assuming the clock is 1kHz. This has troubled me for a long time, I hope you can give me some advi...
High efficiency and low standby power consumption are two major challenges in today's switching power supply design. Resonant topology or LLC topology is becoming increasingly popular because it ca...[Details]
introduction
Since the beginning of the 21st century, the world of information has changed rapidly. Maybe a high-tech product will be released today and a better similar product will be releas...[Details]
Today, with the increasing integration of functions, mobile phones can also be used as portable media players (PMP), digital cameras, handheld computers (PDAs), and even global positioning systems ...[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]
introduction
Throughout the history of automotive lighting, power has always played an important role. Initially, cars only needed headlights to see the road in the dark. Later, other light so...[Details]
1. Principle of displacement angle sensor
The angle sensor is used to detect angles. It has a hole in its body that fits the LEGO axle. When connected to the RCX, the angle sensor counts once ...[Details]
With the development and widespread application of computer technology, especially in the field of industrial control, computer communication is particularly important. Although serial communication g...[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]
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]
I've been studying dot matrix recently. It looks simple, but it takes a while to master it completely! The 8*8 dot matrix hardware circuit I'm making now is like this. The row is driven by 74HC138 + 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]
Corelink Semiconductor has launched the CL1100-based 5-7W E27 LED lighting driver system solution DB2. This driver module meets the requirements of small size (L×W×H=5.1cm×2.1cm×1.8cm), low standby...[Details]
LED guardrail lights use fluorescent tubes or LEDs as light sources and continuous guardrails as carriers to form an approximately linear guardrail light strip. This article mainly introduces...[Details]
introduction
LEDs continue to gain popularity in automotive applications, thanks to their long lifespan and the flexibility they offer for body styling and interior design. Some may be surpris...[Details]
LED is now known as the fourth generation of light sources. High-power LED has many advantages over traditional light sources in outdoor lighting.
1 LED lamps have high light efficiency
C...[Details]
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