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Clock frequency division and timing conversion circuit
After sending the 1024KHz square wave signal into the input end (pin 1) of the inverter U206:A (74LS04), it is output to the first-stage fr...[Details]
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1. Basic requirements
(1) The output voltage waveform should be as close to a sine wave as possible, and there should be no obvious distortion when observed with an oscilloscope;
(2) ...[Details]
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Let’s take a look at the code that everyone thinks is “correct” void MYADC_init(void) { //Clock enable RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOA, ENABLE); RCC_APB2PeriphClockCmd(RCC_APB2Periph...[Details]
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Specific implementation functions The system consists of STC89C52 microcontroller + DS18B20 temperature sensor + LCD1602 liquid crystal display + 5V relay + 5V fan + heating film + button + buzzer + ...[Details]
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1 Research and development overview
Figure 1 Circuit structure of hybrid compensation device
In the parallel hybrid compensation device, the main circuit of the ...[Details]
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1. The role of electronic transformers in power supply technology
Electronic transformers, semiconductor switching devices, semiconductor rectifier devices, and capacitors a...[Details]
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OFweek Cup · OFweek 2023 China
Robot
Industry Annual Selection (abbreviated as OFweek Robot Awards 2023) is jointly organized by OFweek, China's high-tech industry portal, and its authorita...[Details]
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Turn a simple Arduino Uno (and some Python code) into a crude oscilloscope for viewing waveforms and voltage levels. Oscilloscopes are extremely useful, but usually come with a hefty price tag. L...[Details]
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John Grabowski is a principal applications and market engineer at ON Semiconductor’s Power Solutions Division, based in Ann Arbor, Michigan, USA. John Grabowski joined ON Semiconductor in 2007 after ...[Details]
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Last time, when I converted integer data into floating point data, the chip program suddenly stopped running. I don’t know why. Today, someone suddenly told me that it was because of this:
Abo...[Details]
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In the past, LED lamps all used constant voltage power supplies. At that time, we did not understand the performance of LEDs. According to the data given by the manufacturer, each small lamp bead w...[Details]
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1 Introduction
With the rapid development of Internet technology and multimedia technology, voice communication technology is becoming more and more widely used and more and more valued . Toda...[Details]
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NXP's smart defrost solution uses solid-state RF technology to thaw food quickly, safely and with high quality January 9 – NXP Semiconductors NV (NASDAQ: NXPI, hereinafter referred to as “NXP”) to...[Details]
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There are three ways to reduce system errors.
① Calibrate the measuring instruments. In the measurement with high accuracy requirements, the correction value is used for correction; for commonly ...[Details]
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At present, embedded technology has been widely used in various fields such as automotive electronics, wireless communications, and digital products. Embedded operating system and embedded process...[Details]
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