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In the process of switching power supply circuit design or circuit testing, the inductance of the coil or wire and the number of turns of the coil are often calculated in order to adjust and i...[Details]
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1. Experimental Tasks As shown in the figure, P0.0-P0.7 of the P0 port of the AT89S51 microcontroller is connected to the a-h segments of a common cathode digital tube, and the common end of the digi...[Details]
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Vox Power Ltd - Newly released EIRE300 series open frame AC-DC power supply, high power density, 300W output power, 4" x 2", 1" slim design, 300W power output, meets BF medical safety standards (...[Details]
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Preview of this issue This article takes the BAC-420A large battery adiabatic calorimeter of Hangzhou Yangyi Technology Co., Ltd. as an example. Starting from the main operating procedures of th...[Details]
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ATmega16 has four 8-bit bidirectional I/O ports PA, PB, PC, and PD, which correspond to 32 I/O pins, each of which can be used independently for the input and output of logic signals. Under the worki...[Details]
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Abstract: Color PDP display system is the current development trend of large wall-mounted TV, HDTV and large-scale multimedia display technology. Based on the characteristics of PDP display scre...[Details]
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Specific implementation functions The system consists of STC89C52 microcontroller + AT24c02 chip + LCD1602 liquid crystal display + relay module + button module + alarm module. Specific implementat...[Details]
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The research on flicker-free is most intuitive from the perspective of power supply. In fact, it is a question of "frequency". The human eye and CCD probe will not feel ultra-high frequency, but the...[Details]
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I recently wrote an STM32 serial port program that uses a circular buffer to send data: use the head pointer (front) to point to the next data to be sent, and use the tail pointer (rear) to point to ...[Details]
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Huawei's self-developed operating system, HarmonyOS, has been in development for three years. Last year, the company officially announced its first version at the 2019 Huawei Developer Conference (HD...[Details]
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Samsung of South Korea is expected to invest US$114 billion in the next 10 years and become the world's leader in non-memory semiconductors by 2030. In addition to actively developing its foundry bus...[Details]
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Boréas piezoelectric haptic motors bring miniaturized HD haptic feedback to fitness bands and smartwatches Boréas uses piezoelectric chip platform to further enhance the tactile experience of wearab...[Details]
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The AD52090 is a highly efficient stereo Class D audio amplifier with an adjustable power limit function. The speaker driver operates from a 4.5V~26V power supply voltage, and the analog circ...[Details]
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On September 29, the "Global 5G Standard Essential Patents and Standard Proposals Research Report (2024)" released by the China Academy of Information and Communications Technology showed that in t...[Details]
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Voltage controlled oscillators can be divided into ring oscillators and LC oscillators. Ring oscillators are easy to integrate, but their phase noise performance is worse than that of LC oscil...[Details]