Q: The board is configured with an IP that is in the same network segment as the computer's IP, so why can't I ping it? A: First burn QT, test all the functions of the board, and confirm that the oper...
[i=s]This post was last edited by tinnu on 2020-10-8 13:57[/i]Testing the ADC speed requires the support of a timer, so you must first understand the timer function.1. Timer clockThe timer clock goes ...
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[i=s]This post was last edited by Autumn Qinhu on 2022-10-16 20:17[/i]The RF amplifier is powered by a DC-to-DC power supply chip. It is found that the load current of the power supply chip will affec...
[i=s]This post was last edited by Ma Tianma on 2019-2-14 11:02[/i] I have 4 24*18 P2.5 full-color LED dot matrix boards. Let's see what can be done? How to drive? I want to make a 3-row mobile screen ...
High voltage pulses and surges will have energy and attenuation after passing through this reverse-connected diode? What is the principle? Isn't the conduction voltage of the reverse-connected diode v...
Today, realme officially announced that it will release a new phone, realme V15 National Trend Koi Mobile Phone, on January 7. The phone will join hands with the "National Treasure" IP to create a 20...[Details]
iOS/iPadOS 15.5 RC version released Apple today pushed the RC version of the iOS 15.5 and iPadOS 15.5 updates to developers and public beta users for testing purposes. Developers can download iOS 1...[Details]
At the WWDC20 Global Developers Conference a few days ago, Apple launched iOS 14 as expected and released the first developer test version on the same day. As the name suggests, this version is mainl...[Details]
Interrupts are divided into external interrupts and timer interrupts; The interrupt source has a trigger condition, and an interrupt will be generated when the condition is met. Different interrupt...[Details]
With the development of social economy and the improvement of people's living standards, traveling is gradually becoming a fashion. As a convenient means of transportation, cars have become p...[Details]
“Throughout my career, people have been asking when India will become part of the semiconductor industry. Today, I can say that journey has begun. "Ajit Manocha, President of US SEMI (Semiconductor E...[Details]
The official website of the Trade Remedy Investigation Bureau of the Ministry of Commerce shows that on December 17, Royal Philips NV of the Netherlands and Philips North America filed an application...[Details]
Each GPIO port of STM32F4 has four 32-bit configuration registers (GPIOx_MOER, GPIOx_OTYPER, GPIOx_OSPEEDR and GPIOx_PUPDR), two 32-bit data registers (GPIO_IDR and GPIO_ODR), one 32-bit set/reset re...[Details]
The basic principle of infrared photography is actually the same as general photography. Both use light to shine on objects and reflect through the lens to form an image in the camera. The only diffe...[Details]
while(1);
{
if(timer1 a) timer1=0;
if(timer1 b) PWM=0;
else PWM=1;
}
The timer can be used to count the timer, adjust the period, and adjust the duty cycle by adjusting the v...[Details]
A system formed by connecting several electrical components is called a network. "Network" can be used as a synonym for circuit, and "network analysis" is circuit analysis, but it is rarely said in t...[Details]
Amid the market conditions of supply exceeding demand, it was recently reported that MediaTek will increase the price of its WiFi chip products by 20% in October. In response, MediaTek said it would ...[Details]
As a maintenance worker, how to accurately capture abnormal situations and find the causes when diagnosing vehicle faults is the key to solving problems, and the digital oscilloscope is an important ...[Details]
The right one is the best! Only when the probe and oscilloscope are accurately matched can engineers capture the monsters in the circuit. We will explain the matching relationship between the probe a...[Details]
Led can be used as a tool for debugging programs: In the early stages of development of embedded system software, such as Bootloader and kernel, since hardware such as serial ports have not yet bee...[Details]
Analog electronics
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