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In 1666, Newton obtained a prism and began his optical research. He placed a small hole in the window of a darkroom and placed the prism next to the small hole. The sunlight is projected through the ...[Details]
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system data: 1) Current PID 2) Total number of all processes PAMOUNT // Initialization of multi-tasking system 1. Set the MSP value 2. Set a temporary PSP value (because this section is actually on...[Details]
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The 2019 Shanghai 5G Innovation and Development Summit and China Unicom Global Industry Chain Partner Conference was held today. In his speech at the conference, Wang Xiaochu, Chairman of Chin...[Details]
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In a gravity field, by changing the temperature of the accelerometer being measured and the angle between the input axis of the accelerometer and the direction of gravity acceleration, the static m...[Details]
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After entering the smart era, mobile phone screens not only carry the basic function of displaying content, but also shoulder the mission of improving user experience. As far as the mainstream screen...[Details]
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Among many environmentally friendly light source application solutions, LED is a light source technology that is more energy-saving and easy to assemble and design than other light source solutions...[Details]
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There is a clear trend in the automotive industry, with more screens and fewer physical buttons and dials. As mentioned in the previous section ( Smart Cockpit Series Article 2: 5 Interaction Technol...[Details]
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Atmel's ATmega128RFA1 is a low-power CMOS 8-bit MCU that uses the AVR enhanced RISC architecture and a 2.4GHz ISM band high data rate transceiver with a throughput of 1 MIPS per MHz. The wireless t...[Details]
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1. Overview
LM2917 is a monolithic integrated frequency-voltage converter. The chip contains a high-gain operational amplifier/comparator. When the input frequency reaches or exceeds a given ...[Details]
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Circuit to drive 5 to 8 3W LED lamps in series using 12V DC/12V AC power supply
QR111, PAR30 and PAR38
Introduction:
• This circuit uses 12V DC/12V AC power supply to dr...[Details]
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In recent years, ultra-wideband (UWB) technology has developed significantly around the world. Under the tide of the era of smart travel, a large number of UWB players have actively participated in...[Details]
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Pulse oximeters measure arterial oxygen saturation by sensing the absorption properties of deoxygenated and oxyhemoglobin using different wavelengths of light. Basic meters consist of sensors placed o...[Details]
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A/D conversion principle and parameter indicators 1. Sampling Theorem 2. In order to correctly represent the analog signal vi with the sampled signal vs shown in Figure 5.2.2, it must satisfy the fol...[Details]
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The terminal machine refers to a machine used for wire processing. It can press the hardware head to the wire end and then make it conductive. The terminals punched by the terminal machine are usua...[Details]
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1. The hidden meaning
The CEO of McDonald's once said, "If we were in the beer and wine business, we would eventually own 100% of the food service market!"
This statement caus...[Details]