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1 Introduction With the development of electronic and computer technology, video surveillance systems are developing from analog technology to digital technology. From the perspective of hardw...[Details]
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Abstract: This article systematically introduces the development and research of bedside ECG data acquisition system, focusing on several key technologies: high-performance preamplifier circuit ...[Details]
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Error : Segment NEAR_ID (size: 0x15 align: 0) is too long for segment definition. At least 0xb more bytes needed. The problem occurred while processing the segment placement command "-Z(CODE)TINY_I...[Details]
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Currently, IDC, a well-known third-party market research organization, has released a report on China's wearable device market in the third quarter, which shows that the shipment volume of China's we...[Details]
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1 Features
1.1 Single cell operating voltage up to 3.7V
It is three times that of nickel-cadmium batteries and nickel-metal hydride batteries, and nearly twice that of lead-acid batteries...[Details]
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Ookla, the developer of the well-known speed test application Speedtest, conducted 5G battery consumption tests on some flagship SoCs from popular brands such as Qualcomm, Samsung, Google and MediaTe...[Details]
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I recently developed a project and wanted to use the STC15 series as the control chip, mainly because of its rich functions, especially the four serial port resources, which are rare in 8-bit microco...[Details]
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Circuit principle : It is an attenuation-feedback tone control circuit composed of transistors and RC networks. In the circuit, RPz is the bass control potentiometer, and RP3 is the treble control...[Details]
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For car manufacturers, lighting is an increasingly important differentiated design element, and headlights, which are directly related to the "appearance" and active safety of the car, are even more ...[Details]
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1. The temperature can be adjusted by adjusting the DS18B20 "+" and "-". 2. When the temperature exceeds the range, there will be an audible and visual alarm . 3. Because the triode 8550 cannot be fo...[Details]
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In recent years, the rapid development of information construction has led to an increasing demand for multimedia communications such as data, voice, and images, which has greatly accelerated the deve...[Details]
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In the electronic simulation software MultiSIM, in addition to the virtual dual-trace oscilloscope and virtual quad-trace oscilloscope, there are two high-performance advanced oscilloscopes, namely...[Details]
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As electronic systems become increasingly complex and feature-rich, the requirements for board-level power management and control are becoming more and more complex. Providing multiple low voltages...[Details]
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1. Physical and chemical properties of raw materials
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(1) Graphite: A non-polar substance that is easily contaminated by non-polar substances and easily dispersed in non-polar sub...[Details]
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Although the new energy vehicle industry has developed rapidly in recent years and power battery technology has made great progress, the problem of long charging time has been widely criticized by ...[Details]
DSP and ARM Processors
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