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Also known as insulation resistance meter, commonly known as megohmmeter. 1. When using the megohmmeter, keep it away from magnetic fields and place it in a horizontal position; 2. Turn the crank han...[Details]
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On the morning of July 13, OPPO officially announced the 125W Super Flash Charge technology. This new generation of Super Flash Charge technology will be officially launched on July 15 (today). Once ...[Details]
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1 Introduction
The switching power supply is known as a high-efficiency and energy-saving power supply. It represents the development direction of the voltage-stabilized power supply and has now be...[Details]
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1. Basic knowledge of JTAG JTAG is the abbreviation of Joint Test Action Group, which is the IEEE 1149.1 standard. Advantages of using JTAG: The establishment of JTAG allows integrated circuits t...[Details]
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After getting the STM8 board, I downloaded the 30-day trial version of IAR for STM8s from IAR official website. After installing it on the computer, I found that when installing IAR, the STLink drive...[Details]
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Many people often encounter adr and ldr instructions when writing simple bare metal code or analyzing uboot. But they can't tell the difference between the two. Now let's talk about adr and ldr instr...[Details]
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The flying probe tester in SMT patch processing uses two or more groups of probes that can move within a certain test area to replace the immovable needle bed. At the same time, a movable probe drive...[Details]
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Samsung said on Thursday that it is on track to start high-volume production this quarter, or in the coming weeks, using its 3GAE (3 nanometer-class gate-all-around early) manufacturing process. The ...[Details]
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I have been working on an ADC program and have always wanted to learn how to configure DMA. I have never understood what DMA is used for and I still feel it is useless. After a little configuration, ...[Details]
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Several methods to prevent noise interference and contact jitter at CMOS input
a Use CMOS Schmidt contactor to reduce input resistance. b Noise absorption circuit of parallel capacitor C c One o...[Details]
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3 Hardware Design of Measurement and Control System of CNC Machine Tools
The general networked industrial measurement and control lower computer data acquisition platform consists of two parts: one i...[Details]
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Introduction In the era of the Internet of Things, communication technology has brought another wave of changes to the automotive industry. The Internet of Vehicles is no longer proposed to meet the ...[Details]
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On the morning of November 20, the well-known disassembly organization iFixit brought the disassembly of the MacBook Air and MacBook Pro equipped with Apple's M1 chip. The internal design of the...[Details]
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Introduction to PS/2
PS/2 devices are divided into master and slave. The master device uses a female socket and the slave device uses a male plug. The PS/2 keyboard and mouse that are widely used no...[Details]
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In recent years, with the accelerated development of intelligence, electrification and networking, cars are transforming from a single means of transportation to a third space that integrates leisu...[Details]
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