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As an important part of the vehicle circuit, the vehicle grounding point forms a current loop with the vehicle power supply, electrical load and ground. The rationality of the vehicle grounding point...[Details]

Question: Where are global variables and global constants located in the process address space?       Obviously, according to the previous description, global variables are in the user's data segment...[Details]

    The s3c2440A chip is addressed by byte (8 bits), and the physical addresses are all expressed in hexadecimal. Because physical addresses cannot be used directly under Linux (including kernel spac...[Details]

CDMA2000 is one of the 3G mobile communication standards. Its related products need to undergo mandatory testing to enter the markets of various countries. For example, to enter the EU or related reg...[Details]

Supported modulation modes 　　In order to improve the utilization of spectrum resources, the R7 version introduces 64QAM high-order modulation technology in the HSPA+ downlink and adds 16QAM in the up...[Details]

       NE5532 has been around for several years, and everyone is very familiar with its circuit and has a variety of ways to play with it. The headphone amplifier introduced here is simple, low-power...[Details]

Apple today announced that its global suppliers have more than doubled their use of clean energy in the last year. Of the nearly 16 GW of clean energy committed for use over the next few years, more ...[Details]

Design requirements: In the previous project, we introduced how to use 8051 microcontroller for serial communication. This is a very basic project that does not require much hardware. Next, we...[Details]

1. Stepper Motor Basics 1. Definition The stepper motor is an actuator that converts electrical pulses into angular displacement. It mainly uses permanent magnet stepper motors. The stepper motor use...[Details]

　　The dishwasher adopts microprocessor control. Its operating voltage is 220V. The motor power of the cleaning pump is 120W, the motor power of the drainage pump is 60W, and the power of the heater i...[Details]

Introduction: This paper presents a temperature intelligent monitoring instrument with ATMET's 89C51 single-chip microcomputer as the core. The monitoring instrument has the functions of automaticall...[Details]

product description Unrivaled performance, versatility, intuitive operation and affordability make the AFG3000 Series of function, arbitrary waveform and pulse generators the most practical instrumen...[Details]

Since the outbreak of the epidemic, rapidly developing industries include fresh food e-commerce, online education, remote office and service robots.    Although service robots are no longer a novelty...[Details]

　　Experience pain points mean market opportunities. After the competition in terminal hardware entered a stable period, battery life became an important focus, and all parties in the upstream and dow...[Details]

Yesterday, Apple's 2019 flagships were officially unveiled. None of the three phones, iPhone 11, iPhone 11 Pro, and iPhone 11 Pro Max, support 5G, have quad cameras, or have TSMC's EUV. We've analyze...[Details]