Energy conservation and environmental protection recruitment needs (focus, urgent recruitment) Product R&D Director 20W/Y ? Recruitment number: several ? Job responsibilities Responsible for the resea...
The simple music box I made is not fully functional. The functions of switch 1 and switch 2 are not implemented. Please help me see if there is a problem with the program or somewhere else. Urgent hel...
[align=left][color=rgb(0, 0, 0)][font=Calibri, sans-serif][size=10.5pt][size=10.5pt]First, let's review the high-performance power supply with constant voltage and constant current (CC/CV) working mod...
I am running LWIP on LM3S in RAW mode. I called TCP_WRITE() in a FOR loop to send data. I found that if the number of loops is too many, the subsequent data will fail to be sent. How many times can TC...
On a certain day in a certain delivery room, you were born (power up), but you didn't cry. The doctor lifted you up and slapped you hard on the buttocks, and you cried loudly (reset, reset successful)...
Aiming at the communication problem of various signals of large-scale engineering machinery and remote display of instruments in the driving control room, a design scheme for realizing wireless data c...
Regarding the PHY construction of LWIP, the PHY chip used is LAN8720A, RMII mode. Regarding the hardware connection part, the Atomic board F407 is used, and the hardware connection is as follows: ...[Details]
background After the hardware engineer completed the PCB and schematic design, the routine was modified according to the tutorial of Zhengdian Atom to verify the correctness of the hardware. STM32F...[Details]
Since the second half of 2017,
the market share of
quantum dot
displays has dropped significantly, with global sales falling from 3.42 million in 2016 to 2 million in 2017, a 42% decrease; d...[Details]
1 Introduction Due to the special working environment of coal mine production, the production process is more dangerous and unsafe than the general industry. With the continuous increase in c...[Details]
The ARM11 (S3C6410) processor is selected as the hardware platform, the embedded Linux operating system is used as the software platform, the background difference method and the frame difference...[Details]
Every era has anxiety that has nowhere to go. Let's follow the embedded editor to learn about the relevant content.
The anxiety of the post-Internet era is that if you don’t revolutionize ...[Details]
Since the 20th century, our data
storage
has evolved from media such as magnetic tapes, floppy disks and CDs to sophisticated semiconductor
storage
chips that can store data in coun...[Details]
The role of the watchdog: Since the operation of the microcontroller is often interfered by the external electromagnetic field, the program may run away and fall into an infinite loop. The normal ope...[Details]
At this exhibition, Microsoft brought its flagship intelligent voice products - XiaoIce and Xiaona. In addition, the voice will be equipped with an intelligent face recognition system. Let's see ho...[Details]
OSC_IN and OSC_OUT are external crystal pins by default. If you do not use an external crystal oscillator on the STM32, how to connect OSC_IN and OSC_OUT If you use the internal RC oscillator instead...[Details]
environment: Host: XP Development environment: MDK4.23 MCU:STM32F103CBT6 illustrate: Collect AD through pins PA1 and PA2. Collect AD 10 times for each channel. #include "ad_driver.h" //Global ...[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]
Please help me analyze the clock cycles occupied by the following delay program. Seek to explain: DELAY: MOV R6, #13 DELAY1: MOV R5, #250 DELAY2: NOP DJNZ R5, DELAY2 DJNZ R6, DEL...[Details]