PPA-2502040010000H

This morning, Chang Cheng, Vice President of Lenovo Group and General Manager of Lenovo Mobile Business China, released a poster with a one-day countdown to the Lenovo Z6 Youth Edition launch, reveal...[Details]

Tianyancha shows that Zhaoguan Electronics recently completed a new round of equity financing, and the investor is Zhonghao Capital. Shanghai Zhaoguan Electronic Technology Co., Ltd. was establishe...[Details]

This is a method of using the ohmmeter of a multimeter to directly measure the forward and reverse DC resistance values ​​of each IC pin and peripheral components on the circuit board, and compare ...[Details]

Inverters are a key component of photovoltaic power stations. In recent years, with the explosive growth of photovoltaic power stations around the world, containerized inverter solutions have quick...[Details]

　　The design uses Motorola's integrated chip MPXY8020A for TPMS as the main device of the tire pressure detection unit, which further reduces the size of the system and reduces the power consumption ...[Details]

The method of identifying substances and determining their chemical composition and relative content based on their spectra is called spectral analysis. Its advantages are sensitivity and rapidity. M...[Details]

1. Clock Configuration   If you only want to light up the small light, you only need to configure the system clock and the IO port clock 1. Use SystemInit() function to configure the system clock, th...[Details]

"All talk is about ideology, but all heart is about business." This sentence can be said to be more accurate than ever to describe some mobile phone brands. After Apple stopped including chargers for...[Details]

The intelligent thickness gauge studied in this project is a complete solution based on a single-chip microcomputer, which consists of a main controller, a measuring sensor, an AD conversion module, ...[Details]

DC current part: The moving coil device should be straight, and there should be no ferromagnetic material in the moving gap. If the shunt resistor is burned out, it should be replaced according to th...[Details]

What is the aging test of switching power supply? The aging test of the switching power supply generally refers to the power supply working at full load for a long time. How long is this "long...[Details]

The working current of portable instruments such as digital multimeters is very small. Because the internal circuits require a higher voltage to be powered, they are generally powered by 9V laminated ...[Details]

Recently, RongBa Technology announced that BAK Battery failed to pay the second installment of repayment on time and in full. According to the repayment arrangement previously reached by the two part...[Details]

According to The Paper, the 2019 International Chip Conference (Chips 2019) was held in Beijing recently, and Ni Guangnan, an academician of the Chinese Academy of Engineering, looked forward to the ...[Details]

introduction 　　In order to help users accurately grasp the various parameters of the operational amplifier in their hands, this paper provides a measurement system using a programmable DDS chip and...[Details]