I downloaded the image to the simulator, but the screen is black? Also, why can't I select CS8900 in my Network settings (the selection box is gray), so I chose NE2000. Thank you!...
Six PCB layout experience In today's fiercely competitive battery-powered market, designers often use double-sided boards due to cost constraints. Although multi-layer boards (4-layer, 6-layer and 8-l...
Development board pre-assembly process
After getting the development board, first check the accessories. The default accessories are as follows:
1. A power adapter
2. Two Mini USB cables
3. An Etherne...
Some time ago, I did a small project. For the control of 10 relays, I had to use a computer to control two single-chip boards through the serial port. Each board had 10 relays. I used the STC12C5A32S2...
HCSR04 ultrasonic sensor is widely used in smart cars, sweeping robots, and DIY. There is already an extension for it in Makecode, which can be used directly, but there are few python drivers. I have ...
1. Problem When developing STM32 with IAR, I found that I could not print floating point numbers by redirecting printf to the serial port. The code is as follows: The output is as follows: It can...[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]
What is SYSTICK: This is a 24-bit system tick timer, SysTick, with automatic reload and overflow interrupt functions. All microcontrollers based on the Cortex_M3 processor can obtain a certain time ...[Details]
On Sunday, the South Australian government unveiled plans to build the world's largest virtual power plant, which will connect at least 50,000 homes over four years and have a capacity ...[Details]
On May 16, in response to
the public opinion storm caused by
Lenovo's
"
5G
voting" incident,
Lenovo
Holdings Chairman and
Lenovo
Group Founder Liu Chuanzhi, Lenovo Gr...[Details]
In 1949, after three years of civil war, the Nationalist government was defeated and retreated to Taiwan. The political and academic circles launched a large-scale reflection on why they failed in ...[Details]
Independent watchdog (IWDG) and low power mode are often used in STM32 development. The watchdog is to detect and solve faults caused by software errors, and the low power mode is to enter sleep mode...[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]
The code for using timer 0 to implement a running light in a 51 MCU is as follows. The LED light is connected to port P1. The code is annotated below, so I won't explain it in detail. My English is n...[Details]
The circuit shown in the figure requires that the light is off when the machine is turned on. Press the button once, and the light D1 will turn on and automatically turn off after a delay of 10 secon...[Details]
Circuit: Using AT89S52 single chip microcomputer. P3.0 to P3.3 are connected to four external buttons. P3.4 to P3.7 are the bit selection ports for controlling the four digital tubes, and P1 is the s...[Details]
:For medium and large-scale domestic photovoltaic power stations, inverters generally go through an open bidding process. Due to the high technical content of power station design, it is necessary ...[Details]
Homemade LED Electronics Clocks can be seen in many electronic newspapers and magazines, but most of them need to reset the time and other parameters after power failure, which brings a lot of inco...[Details]
MSP430 ADC10 single channel multiple conversions #include "msp430x22x4.h" #define uchar unsigned char #define uint unsigned int #define LCDen 0X80; //The upper three bits of P3 are used as cont...[Details]
Embedded System
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