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Resting heart rate gives you a good window into your health. So it’s no wonder we see so many wearable optical heart rate monitors on the market. These devices typically use photoplethysmography (P...[Details]
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Development board: Puzhong PZ6808L-F4 Development environment: keil5+CnbeMx Hardware resources: 1 ADC 1 serial port Functional description: ADC collects voltage and prints it out through the se...[Details]
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Figure 1 shows an audio panpot circuit that responds to the setting of a potentiometer by continuously changing the position of a mono audio signal between the left and right stereo channels. Low c...[Details]
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I have been working on automotive DC step-down power supplies for some time. I have designed many solutions, but either the power modules are too expensive or the delivery cycle is long. Even so, I c...[Details]
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Redmi has launched the Redmi K30 5G Speed Edition, priced at 1,999 yuan (6GB+128GB). In addition to the Redmi K30 5G Speed Edition, Redmi will also launch a new 5G phone this month. Lu Weibing, p...[Details]
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Assuming that the Buck PWM converter works in the current continuous mode, Figure 1 (b) shows the working waveform of the peak current type PWM control system. The peak value of the switch current ...[Details]
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Recently, four students from the Diocesan Boys' School in Hong Kong developed an ultra-small humanoid
robot
with a height of only 141 mm
, which once again broke the record of "the world's ...[Details]
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DHT11 is a temperature and humidity sensor that is also driven by a bus. Its usage is very similar to that of the ds18b20 temperature sensor. Supply voltage 3.3~5.5V DC Measuring range: humidity 5%...[Details]
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In the daily use of R-type transformers, there are many reasons that will cause the temperature rise of the R-type transformers in our work to be too high. In addition to improper use, what are the...[Details]
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LED stage screens often accompany the appearance of a feast. Imagine how much impact a concert or party will have if the screen suddenly dims or flickers in the middle of the event. Therefore, it ...[Details]
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With the rapid development of science and technology, the types of electronic products are increasing, the performance is gradually improving, and they have penetrated into all aspects of human produ...[Details]
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I. Introduction There is no ROM inside the S3C2440 chip to store user code, so the user code needs to be saved in an external memory. If it is NorFlash, you can run the program directly in NorFlash, ...[Details]
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With the development of market demand and technology, people have put forward higher requirements for the reliability and stability of engineering, machinery, aviation, and navigation equipment, am...[Details]
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According to news on August 24, according to Xinzhijia, the DJI vehicle team is receiving external financing. If successful, this will be the first time the in-vehicle team has received external fina...[Details]
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The function declared with reentrant is a reentrant function. A reentrant function can be called by multiple processes at the same time. When a reentrant function is executed, another process can int...[Details]
Automotive Electronics
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