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This article will introduce an LED that has small size, low cost, high PF and high TRIAC brightness adjustment performance. This design uses a single-stage power factor correction (PFC) inverter conv...[Details]
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According to 9to5 Google, many unofficial versions of LineageOS 19 based on Android 12 have been seen in the past few months, but now this third-party ROM is officially available. The offici...[Details]
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When GPIO is used for output, a pull-up resistor must be added, because the default is open-drain, high-impedance state, and cannot output high level. When GPIO is used as input, you need to cho...[Details]
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Zhu Jun, deputy chief engineer of SAIC Motor, said that SAIC Motor will soon launch a "battery bank" that separates the car from the battery. At the same time, a battery pack with unified specificati...[Details]
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In terms of advanced technology, TSMC has become a global leader in recent years. The mass-produced 3nm is also the most advanced currently. Intel's main technology is still Intel 7, which is the evo...[Details]
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To use a low-cost 32-bit microcontroller, developers face two choices: processors based on the Cortex-M3 core or the ARM7TDMI core. How to make a choice? What are the selection criteria? This art...[Details]
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The application system composed of single-chip microcomputer
, appropriate peripheral devices and application programs becomes the minimum system. This article
discusses the design of
s...[Details]
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"Tablets have now become 'smart' portable TVs. Regardless of the size of the screen, any device that can provide users with visual content can be called a TV."
Using LTE's transmission band ...[Details]
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The vector network analyzer has a built-in signal generator that can perform frequency scanning on a frequency band. If it is a single-port measurement, the excitation signal is added to the port, an...[Details]
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The swept frequency superheterodyne spectrum analyzer converts the input signal to the intermediate frequency (IF) through a mixer, and performs amplification, filtering and detection processing at...[Details]
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Abstract: Aiming at the need of temperature detection during concrete construction, a wireless temperature monitoring system is designed. The system is based on the STC89C52 microcontroller, uses a...[Details]
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The introduction of GIS technology into the security field is not accidental. There are many connections between the two. Their combination will promote the development of the security industry to ...[Details]
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ATtiny2313 I/O P150 "Register Overview". All ATtiny2313 I/O and peripherals are placed in I/O. I/O locations can be accessed by LD/LDS/LDD and ST/STS/STD instructions to transfer data between 32 gen...[Details]
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"In the first half of the year, Shanxi's power grid construction made rapid progress, with the scale of construction and commissioning reaching a historical high, which has effectively served and s...[Details]
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Recently, at the construction site of the 465,000-ton ferroalloy new energy smelting, tailings and waste gas and waste heat comprehensive utilization high-quality development circular economy project ...[Details]