#define MQTTString_initializer {NULL, {0, NULL}}
What does this mean? I know that MQTTString_initializer is equivalent to {NULL, {0, NULL}}, but what does {NULL, {0, NULL}} mean?...
From: https://forum.micropython.org/viewtopic.php?t=8316p=47337#p47337STM32H7/F7 supports custom polynomials, so it can calculate multiple CRCs, while STM32F4 can only calculate the fixed CRC32.@micro...
1. Mission
Design a shortwave band all-digital transceiver communication demonstration system, requiring the communication modulation mode to adopt BPSK modulation, the modulation symbol rate to be fi...
A common requirement in multimedia audio and video processing applications is to add watermark text, image logo, etc. to videos or images. The following is an introduction to ffmpeg:
FFmpeg is an open...
[i=s]This post was last edited by Single Cabbage on 2021-4-21 22:04[/i]The TF card read/write driver and W25Qxx flash driver were completed, and then the FATFS file system was transplanted. Remember t...
For evaluating Timberwolf ZL380xx audio processors
Data sheet:Development Kit Hardware Design User Guide, Development Kit Quick Start:(You can also download it from github: https://github.com/Microsem...
Introduction: Lithium-ion technology has transformed the way we communicate and power our portable devices, and is now driving a revolution in global transportation and energy supply. A new paper pub...[Details]
The following method is transferred from the Internet and has not been verified
Environment: Ubuntu 13.04
1. First, make an SD boot disk:
Insert the SD card
sudo dd iflag=dsync ofl...[Details]
Electrician's Tips--Multimeter to detect resistors Measure the resistance and select the range. If the two short circuits are short-circuited, adjust to zero first. The knob still has a count at the ...[Details]
According to Korea Electronic Times, in order to overcome the sluggish memory market conditions, Samsung Electronics plans to stop some NAND flash memory production equipment at its P1 factory in Pye...[Details]
Vehicle OTA, autonomous driving, and intelligent networking are the general directions of intelligence. Correspondingly, the current electronic and electrical architecture can no longer support s...[Details]
Google Pixel 5 renderings were released by Pricebaba in collaboration with tipster OnLeaks. These high-resolution images show the complete design of the upcoming Google Pixel 5 smartphone, whi...[Details]
When using the protocol stack, the compiler always reports this error. Today I decided to write a record of this error:
First error:
Error : Segment ISTACK (size: 0xc0 align: 0) is too lo...[Details]
Knorr-Bremse is committed to advancing highly automated driving (HAD) technology in the truck industry. As a professional leader in its market segment, Knorr-Bremse mainly provides advanced redunda...[Details]
For those who are engaged in the design, manufacture or maintenance of electronic equipment, the oscilloscope is an indispensable tool. In this issue, Antai Test Oscilloscope Maintenance Experts wil...[Details]
On January 16, Nubia launched the "Nubia x Minions Tiger Year Limited Gift Pack" on January 14, and the product was officially put on sale. This gift box is currently priced at 606 yuan, and co...[Details]
Whether Tesla's full-scenario smart driving (FSD, officially defined as fully autonomous driving capability) will be officially launched in China next year is still an unknown. However, Chinese aut...[Details]
How to effectively manage power for wearable devices?
It’s not something anyone wants for a smart wearable device’s battery to die in a matter of hours. But by identifying the associated issue...[Details]
The video uses an oscilloscope to test 1MHz sine wave, 1MHz square wave, 100KHz sawtooth wave, and 100KHz triangle wave. Fix the storage depth of the oscilloscope, and then adjust the time base of th...[Details]
Introduction: PIC877a timer, interrupt system Summary: Timing, counting, from the analysis of its internal working mode, generally manifests as a counting accumulation function, usually triggered by ...[Details]