It was removed from a Thinkpad E520. There was a bad track that caused me to get stuck when booting. After I reinstalled the system, it worked fine. Then I bought a 128G solid-state drive and put it o...
TI's 430 series focuses on low power consumption. Its technical documents and Dome programs are very detailed, especially the technical documents, which really make people feel like worshipping. There...
I use the 89s52 serial port to output a waveform, but once it is connected to another analog circuit, the waveform becomes a spike shape. My idea is to modulate the serial waveform with a carrier wave...
[i=s]This post was last edited by paulhyde on 2014-9-15 08:55[/i] I heard that the sponsors of the competition may require the use of specific chips or microcontrollers. What do you think? Can anyone ...
It is eddy current ranging, VIN is the coil, and the lower left is the excitation circuit. How do you view each link of this circuit? I hope the experts can help me. . ....
I used TI's C5505 and the DMA controller in it to transmit UART sensor data, but found that it can only transmit one byte per doulbe world. This wastes a lot of memory. I would like to ask experts how...
1. Principle 1. Infrared emission protocol The infrared transmission protocol has been written in the previous article , so I will not repeat it here. 2. Timer counting and input capture A timer...[Details]
Since the first draft of the 5G
NR standard was officially launched at
the end of 2017
, the
5G
commercialization process has taken a substantial step forward. From that moment on, mo...[Details]
Overview
Lightning is a strong discharge phenomenon that occurs between thunderstorm clouds and between thunderstorm clouds and the earth due to severe convective weather. Lightning is gen...[Details]
Recently, Zhejiang Lipu Crushing Equipment Co., Ltd. invested 50 million yuan to build a new "annual production of 1,200 high-efficiency and energy-saving ultra-fine pulverizer construction project...[Details]
I used the bit definition in my 51 program: bit flag. After defining it this way, I ran the program and downloaded it to the circuit board. I found that the flag was not the value I set, which led to...[Details]
STM32 has two watchdogs: independent watchdog and window watchdog. This article mainly introduces the use of independent watchdog. Independent watchdog (IDWG): driven by an independent 40KHZ low-sp...[Details]
According to MEMS Consulting, single-chip radar system-on-chip (SoC) is becoming one of the most popular new sensors . Its widespread adoption in automobiles has greatly increased sales, thereby pr...[Details]
The Vatican Secret Archives is one of the world's greatest historical collections, but many of its documents have never been transcribed. Recently, a project called Codice Ratio used a
combination...[Details]
Use the STM32 timer input capture module to control 3-way ultrasonic sensors. The ultrasonic sensor used this time is the common HC-SR04, which is often used in the obstacle avoidance system of smal...[Details]
1. What is PWM What is PWM? Professionally speaking, it is pulse width modulation. In layman's terms, it is the continuous output of high and low levels. For example, the microcontroller outputs...[Details]
Interrupts and timers implement a 24-hour clock. The program is as follows: #include reg52.h #define PORTLEN P0 sbit bit_select = P2^0; sbit seg_select = P2^1; unsigned char src = {0x3f,0x06,0...[Details]
Design a program for the 51 single-chip microcomputer. It is known that the crystal oscillator frequency of the 89C51 single-chip microcomputer is 12MHz, and it is required to use T1 timing to output...[Details]
The Arctic region has always been cut off from the outside world, and if oil workers and polar expedition personnel are in danger, they need
robots
to provide rescue work.
Sergey...[Details]
A. The first method is the ordinary IO high and low level driving method ; operating environment: S3F9454, Fosc = 3.2MHz without frequency division ; P2.0 is the buzzer ou...[Details]
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