When the application layer calls waveoutsetvolume, it is found that the driver layer does not call 1341 L3-interface to control the volume (2440 _WrL3Data function). But the volume does change. So, in...
In order to improve the packaging quality of the small bag packaging machine and meet the needs of production, the mechanical transmission is changed to stepper motor control, and then the stepper mot...
In MCU (M16), the timer is an independent module. M16 has three independent timer modules, namely T/C0, T/C1 and T/C2; T/C0 and T/C2 are both 8-bit timers, while T/C1 is a 16-bit timer. The timer is a...
[i=s]This post was last edited by wo4fisher on 2019-9-26 20:22[/i]This content is originally created by EEWORLD forum user wo4fisher . If you want to reprint or use it for commercial purposes, you mus...
1. What is the forward current rating of a diode? The rated current of a diode is the main nominal value of the diode. For example, for a 5A/100V diode, 5A is the rated current. Usually, the rated cur...
Verification of extremely small signalsGenerally, signals within 100mV are called small signals, but there are even weaker signals at the UV level. For example, the voltage output by the temperature g...
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]
Today's computer peripherals are pursuing high speed and high versatility. In order to meet user needs, seven companies led by Intel launched the USB (Universal Serial Bus) bus protocol in 1994, wh...[Details]
Remote keyless entry (RKE) systems have become popular with users, with more than 80% of new cars in North America and more than 70% in Europe equipped with RKE systems. In addition to the obvious ...[Details]
The solidification and modularization of intelligent video analysis algorithms are the current trends in the application of intelligent video analysis technology. It perfectly combines intelligent ...[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]
The concept of state machine
State machine is an important concept in software programming. More important than this concept is its flexible application. In a clear and efficient program, ther...[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]
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
Nowadays, people pay more and more attention to the security alarm system, and people have higher and higher requirements for the functions and performance of the alarm. This paper prop...[Details]
Introduction
In industrial control, speed measurement is often required. Generally, a contact tachometer is used. This tachometer must be placed against the center of the shaft to measure. It...[Details]
Introduction
Today, as IC (integrated circuit) has developed to a super-large scale, IC design based on IP (Intellectual Property) cores and their reuse are important means to ensure the ef...[Details]
1 Development of LED Film and Television Lighting
1.1 The significance of developing film and television lighting
Lighting power consumption accounts for a large proportion of the total p...[Details]
Zarlink Semiconductor has developed an ultra-low-power RF transceiver chip for pacemakers, neurostimulators, drug pumps, and other such implantable medical devices. It has high data rates, low power c...[Details]
Mobile phones, MP3s, tablet computers, laptops, digital cameras, handheld game consoles, navigation devices, etc., all these mobile devices are powered by mobile batteries, and the battery life is ...[Details]