[i=s]This post was last edited by lidonglei1 on 2019-3-21 13:56[/i] [align=left][color=rgb(51, 51, 51)][b]One time when I took my child to the mall, he was very interested in a music box made of wood ...
Three questions about MCU timing 1. How to understand that a data bit is divided into 16 parts 2. What does it mean that 7, 8, and 9 are still within the range 3. How to understand that when D7 is col...
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Use TI 74HC4052 4-channel analog switch (voltage support 2~6V) to switch the serial port channels;
Both the MCU and 74HC4052 are powered by 3.3V power supply. One of the eight 74HC4052 chips is not wo...
The waveform of the PSIM simulation circuit is inconsistent with that in the data. According to the data, the waveform will be distorted when the input signal frequency is 10K and 100K. As shown in th...
The STMicroelectronics LSM9DS1 iNEMO Inertial Module is a packaged system with a 3D digital linear acceleration sensor, a 3D digital angular velocity sensor, and a 3D digital magnetic sensor. The LSM9...
Abstract: This article introduces the "host computer-PLC power control system" developed by applying a programmable controller (PLC) to transform the DC high-voltage power supply system of the li...[Details]
Hisense responded to the rumor of "exiting the OLED market" and said that the rumor was completely false. Not only did Hisense not exit the OLED TV camp, but on the contrary, it also planned to join ...[Details]
When I was debugging a program today, I found that the global variable was changed in the interrupt. The code is as follows
.....
unsigned char num=0;
.....
INTERRUPT()
{
.... ...[Details]
Since the electromagnetic flowmeter must be used continuously online, it is almost impossible to dismantle and transport it to the National Metrology and Testing Center for calibration. Therefore, it...[Details]
A frequency meter with a test range of 1Hz to 10MHz is designed based on the 51 single-chip microcomputer . The system converts sine waves, square waves and triangle waves into DC signals through pe...[Details]
If the SMPS switching frequency is designed to be non-fixed and allowed to vary around a certain frequency, its EMC electromagnetic waves will spread out and will not produce large peaks at the swi...[Details]
One sensitive test of high-resolution ADC fidelity is the ability to faithfully digitize a sine wave. This test requires a sine wave generator with residual distortion close to 1 ppm (parts per milli...[Details]
On the morning of November 30, Apple's online sports course Fitness+ recently released advertisements on social media, indicating that this new service is about to be launched in the near future. Fi...[Details]
Recently, too many people don't understand the question of "MCU series". In other words, many people are asking what is the difference between STC12C2052 and STC12C4052. In the data sheet of any STC M...[Details]
An essential tool for electricians: a multimeter. Today I will briefly talk about the various gears and usage tips of a multimeter. I will take this multimeter in my hand as an example. Let's take ...[Details]
1 Introduction
Switching power supplies are gradually replacing industrial frequency power supplies and are widely used in various electronic devices due to their small size, light weight,...[Details]
Recently, GEM Co., Ltd. (hereinafter referred to as GEM) and PT HALAMAHERA PERSADA LYGEND (hereinafter referred to as HPAL), a subsidiary of Ningbo Lygin Resources Technology Development Co., Ltd. ...[Details]
South Korean battery maker LG Energy Solution Ltd recently began the initial public offering (IPO) application process and applied for IPO pre-qualification with the Korea Exchange on Tuesday. Th...[Details]
Investment in sodium battery projects remains hot. On March 12, the VAST sodium-ion battery cathode material project with a total investment of 2 billion yuan was signed and settled in Wangcheng Econ...[Details]
A soft starter is an electrical device used to start a motor. Its main function is to reduce the current impact when the motor starts and reduce the damage to the power grid and mechanical equipmen...[Details]
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