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In the "mistress war", Zhou Hongyi constantly questioned Lei Jun, firing at Lei Jun on issues such as the cost, profit, configuration, and marketing methods of Xiaomi mobile phones.
The "m...[Details]
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This year, Dianju Ge and his friends have tested the high-speed endurance capabilities of a number of mainstream electric vehicles and found that although electric vehicles are capable of high-speed ...[Details]
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Recently, China's first L3 autonomous driving mass production experience with the theme of "Future technology mass production first - L3 autonomous driving liberates your hands, feet and eyes" was su...[Details]
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Recently, the HIFIDIY MINI USB DAC supporting dedicated power upgrade kit was assembled, with an output voltage of plus or minus 9.8V, providing abundant power for the USB DAC.
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Spinal cord stimulation aids upper limb recovery after stroke. Image source: "Nature·Medicine" A clinical study published in the latest issue of "Nature Medicine" reported that epidural electrica...[Details]
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基于仪器和运算放大器的传统 电流源和电压/电流转换器在低频下提供很高的输出阻抗,这是因为放大器具有良好的低频 CMRR(共模抑制比)。在较高频率下,降低的 CMRR、固有的输出电容、转换率的局限性阻止了高质量电流源的实现。Analog Devices 公司的两款 200 MHz线路接收/放大 IC——AD8129 和 AD8130——提供了差分输入和显著的 CMRR,使它们成为构建高频恒流源的有...[Details]
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In the ARM + Linux training class, the instructor usually first explains how to use ADS or RealView MDK to debug the ARM development board. The reason is: 1. Master the ARM architecture. ARM is a com...[Details]
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Abstract: By adopting the top-down design concept and comprehensively using EDA technology, CPLD technology and shared dual-port RAM, the technical problem of flicker-free display of large-screen ...[Details]
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According to news on May 16, after more than ten years of fighting, the situation in the smartphone market has basically been fixed. Countless fringe players have been eliminated, including some of t...[Details]
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Cancer cells may have tens of thousands of DNA mutations. However, only a small fraction of these mutations actually drive the cancer's growth. If researchers could distinguish these harmful driver m...[Details]
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Background: Oscilloscope is an instrument that we can see in the fields of physical experiments, circuit hardware debugging, intelligent hardware development, etc. It is like a doctor's stethoscope, ...[Details]
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#include "main.h" /****************************** C51 Program for modbus RTU 89S52 microcontroller Communication baud rate 9600 8-bit data 1-bit stop bit even parity 485 bit interface MCU control...[Details]
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Several electrical specifications are important for the performance of OLEDs and OLED displays:
· Reverse bias leakage current
· IV sweep characteristics in forward and reverse bias
· Short and ope...[Details]
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Thermal protectors are essential safety components in many industrial applications using electrical equipment, especially in frequency converters. Frequency converters, also known as variable frequ...[Details]
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Standard current limiting circuit
Figure Standard Current Limiting Circuit
The standard overcurrent protection circuit in a simple series voltage-stabilized power supply is shown in the figure...[Details]