When defining and assigning a variable in a .c file, a warning message Warning: extern variable has an initializer appears, as shown in the figure below. What is the reason and how to deal with it?...
[NUCLEO-WL55JC2 Review] +AT_Slave Routine Test
1. Preparation before testing
Because the event only provided one wireless board, I had to find another way myself.
I am considering using the SX126x LOR...
[i=s]This post was last edited by lb8820265 on 2019-7-10 17:40[/i]Time flies, and six years have passed in a blink of an eye. The experience of participating in the e-sports competition in 2013 is sti...
After almost a month of suspension, MicroPython started updating again today.stm32/Makefile: Use MBOOT_PACK_KEYS_FILE as depedency of .pack.dfu.
tools/ci.sh: Pip install pyhy for stm32 builds.
stm32/b...
[i=s]This post was last edited by dcexpert on 2020-1-12 21:30[/i]First place in the 2019 Best Illusion competition went to the Dual Axis Rotation Illusion, which appears to rotate clockwise, countercl...
Robots are already involved in almost everything around us to some degree. In agricultural harvesting, a variety of produce including strawberries, apples, and lettuce are being planted, maintained, a...
Land Rover LPC1768 development board GPIO experiment This routine turns on the eight LEDs on the Land Rover development board for 100 milliseconds in turn. Use SYStick timer interrupt mode for dela...[Details]
1. Instrument model: FLUKE45 5.5-digit dual-display multimeter Fault description: The voltage level indicator is out of tolerance. 3. Inspection and maintenance: Detection: After comprehensiv...[Details]
#include STC12C5A60S2.h //MCU header file, store some special register address declarations #include intrins.h //intrins header file stores the empty instruction _nop_(), character circular...[Details]
The OEM industry structure that has seemed "balanced" for many years seems to be "unbalanced". As we all know, there are three major models in the field of chip manufacturing, namely the IDM model ...[Details]
1. Analysis of BMP picture format 1. The general composition of BMP files The data of a BMP file consists of four parts: the bitmap file header, the bitmap information header, the color table, and th...[Details]
On July 6, the 2023 World Artificial Intelligence Conference (WAIC 2023) grandly opened. As a benchmark for the development of the AI industry, this is WAIC’s sixth year of relay in Shanghai. With ...[Details]
Function: Send out the content received through the serial port. What you see on the PC is that what you input in the serial communication software will be displayed in real time.
...[Details]
On April 13, the Shanghai Economic and Information Technology Commission issued the "Shanghai Action Plan to Promote the Development of the Online New Economy (2020-2022)". The action plan points ou...[Details]
1 Interrupt Introduction
In our daily life, we often encounter such a situation: we are reading a book, and suddenly the phone in the living room rings. At this time, we often stop reading, an...[Details]
The query mode debugging program of PIC16F877 microcontroller timer 0 is as follows:
#include pic.h
#define uchar unsigned char
#define uint unsigned int
__CONFIG(0x3B31);
void init(void)...[Details]
The automotive market is constantly changing. According to the World Health Organization, about 1.35 million people die in road traffic accidents each year. According to the IIHS (Insurance Institute...[Details]
Under normal circumstances, the spatial resolution of FLIR's thermal imager is as follows: Under standard lens (FLIR's standard lens field of view is 25°x19°): E40: 2.72mrad E60: 1.36mrad T4xx series...[Details]
As a global leader in high-performance PEEK polymer solutions, Victrex has embarked on a new journey in the Chinese market: providing forward-looking materials and technologies as well as extensive a...[Details]
1. Purpose (1) Understand the principle of keystrokes and the design of the interface circuit with S3C2410 (2) Understand the external interrupt processing mechanism of the S3C2410 chip (3) Master t...[Details]
According to foreign media reports, Ceer, Saudi Arabia's first electric vehicle (EV) brand, has signed a cooperation agreement with Rimac Technology. According to the agreement, Rimac Technology wi...[Details]
stm32/stm8
京公网安备 11010802033920号
EEWORLD
