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On July 3, the "Tianyue" domestic computer offline ceremony was held simultaneously in Shenyang and Beijing, hosted by the Second Academy of China Aerospace Science and Industry Corporation, ...[Details]
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This paper proposes a wide voltage input, high efficiency, high dimming ratio LED constant current drive circuit. In the hysteresis current control mode, the circuit has the advantages of simple st...[Details]
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USART, AD and GPIO temperature sensors:
Please be aware of:
1、ADC_RegularChannelConfig(ADC1,ADC_Channel_16,1,ADC_SampleTime_239Cycles5);
2、ADC_TempSensorVrefintCmd(ENABLE);
According...[Details]
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The basic form of DC-DC conversion is to use a semiconductor power device as a switch, and then disconnect and connect the load line with a filter (inductor or capacitor) to the DC voltage, and genera...[Details]
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The main components of an anti-theft alarm system are composed of an alarm host board, a front-end detector, and an alarm signal sending device (network alarm communication and on-site sound and light...[Details]
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1. Lifespan: 100,000 hours
Technical data provided by LED material manufacturers show that the life of LED light sources is 100,000 hours under ideal conditions. Ideal conditions refer to the t...[Details]
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Circuit diagram of using feedback to improve the linearity of optocoupler devices
In (a), D1 is in the feedback path, and the current flowing through D1 is strictly linear with V1. The disadvant...[Details]
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In order to stably and accurately discharge the various organ secretions accumulated in the abdominal cavity of patients after surgery, a negative pressure aspirator based on an embedded system i...[Details]
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The portable spectrum analyzer is a portable, multi-functional spectrum analysis instrument. It is characterized by small size, light weight and easy to carry; powerful functions: it can measure a ...[Details]
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Overview
The Yunnan Diandong Coal-Electricity Integration Project is a large-scale coal-fired power project developed and constructed during the National "15th Five-Year Plan" in response to t...[Details]
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Mouser Electronics , the leading New Product Introduction (NPI) and widest inventory distributor of electronic components, is now stocking the NXP® Semiconductors i.MX 7ULP applications processor. ...[Details]
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1. Overall structure of the module The overall hardware structure of the data transmission module based on the nRF401 wireless data transmission device is shown in Figure 1. It is mainly composed of ...[Details]
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iResearch released the "2023 China Application and Trend Research Report", which details China's applications and trends, and analyzes the key role of Chinese industrial robots in technological inn...[Details]
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Advantech's A-Connect theme seminar is about to start, modular computer innovation standard COM-HPC leads the performance transformation The development of the era of the Internet of Everything has...[Details]
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创业板IPO|米格新材IPO中止：成立5年就顺利过会，盈利质量存疑来源丨时代投研作者丨陆海编辑丨李乾韬【导语】成立5年就顺利过会，江苏米格新材料股份有限公司（下称米格新材）是个令人羡慕的幸运儿。不过，深交所官网显示，9月30日，因财务资料过期，米格新材IPO按 ...
...[Details]
DIY/Open Source Hardware
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