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WPG Holdings announced that its subsidiary WPI has launched a digital car key solution based on NXP's NCJ29D5. Figure 1- A display board of WPG’s digital car key solution based on NXP products Th...[Details]

Introduction Class D amplifiers are more attractive to designers of portable audio applications due to their higher power efficiency than Class AB amplifiers. However, some designers do not use Clas...[Details]

      What does 5G represent: speed, efficiency, upgrade, or unknown dangers? 　　When some people linked the launch of 5G to the spread of the coronavirus, some people believed that 5G was the "source...[Details]

The current fast-developing third-generation wireless communication system has greatly improved system performance and service quality compared to the previous second-generation wireless network. I...[Details]

1. What is a lithium polymer battery? The most commonly used lithium batteries are lithium polymer (Li-Poly) and lithium ion (Li-ion). They are quite different from the nickel-cadmium (Ni-Cd) ...[Details]

Making a digital voltmeter (2 credit hours) 1. Experimental purpose: 1. Understand the working principle and communication protocol of I2C serial bus 2. Understand the interface design of ADC0804, DA...[Details]

1Data transmission control method between CPU and peripherals (I/O control method) There are usually three ways 1. Query method 2. Interrupt mode 3. DMA mode (in an independently developed spac...[Details]

The steps to test the quality of capacitors with a digital multimeter are as follows: 1. To determine the polarity, first adjust the multimeter to 100 or 1K ohm. Assume that one pole is the positive ...[Details]

The following is the actual picture: I. Introduction Background: In daily life and industrial control, position monitoring and distance measurement are often required. There are many methods availab...[Details]

 I/O control is the most basic and core thing for a microcontroller. In fact, apart from AD DA conversion, most other things can be done by the I/O port. I/O control is simple but can be varied. Wh...[Details]

Currently, more and more cars are equipped with advanced driver assistance systems (ADAS). According to regulations, drivers should keep their hands on the steering wheel so that they can quickly t...[Details]

Motor operating temperature standard Generally speaking, if the insulation grade of the motor is A and the ambient temperature is 40℃, the casing temperature of the motor should be less than 6...[Details]

In order to show the latest technologies and achievements in the industry more widely and thoroughly, Guangzhou Guangya Frankfurt Exhibition Co., Ltd. and Aladdin Lighting Network will launch the 4...[Details]

From 3D shading to image warping, the functions of today's graphics display controllers (GDCs) are presented to users through a variety of applications. This white paper will explain the three...[Details]

The first thing to do when choosing the right operational amplifier  (op amp) is to determine the bandwidth of the signal that the system will pass through the amplifier. Once this is determined, the...[Details]