Use interrupt mode, when a key is pressed, interrupt is entered to scan the keyboard. P1 port is first set to 0x0f to prepare for the interrupt. After the interrupt, P1 port is set to 0xff (the key is...
How can I convert the 2.5V serial port level to the 3.3V serial port level in the simplest way? Please teach me. The simpler the circuit, the better :)...
First, release uS-v0.2According to the original setting. It is the version after the completion of uSConsole. It is basically the version completed last week. The changes made are not big. Just change...
I saw a program for LCD12864 parallel connection. There is a section in the middle that reads data from RAM. [code] void drawpoint_abt(unsigned char x,unsigned char y) { area=0;//Default setting is up...
[i=s]This post was last edited by paulhyde on 2014-9-15 04:17[/i] I don't know what sensors have been used in previous e-sports competitions? I hope that friends with experience can introduce some sug...
1. I used STM8L for DAC output and found that when the DAC value was the same, the output voltage was unstable, sometimes high and sometimes low.So I used IO to do output test and reversed the timing....
The global PV inverter market will shrink from $6.3 billion in 2017 to $3.7 billion in 2022 due to falling prices, according to GlobalData.
Global PV Inverter Market Value to Shrink to $3.7 Bil...[Details]
Recently, the U.S. Department of Commerce announced that it would prohibit companies in the country from selling any electronic technology or communication components to ZTE, a Chinese communicatio...[Details]
I recently upgraded MDK to V5.25 and found that there are many libraries in the Managing Run-Time Environment. Compared with the past, it is much better, from the bottom-level driver to the upper-le...[Details]
CMSIS Driver has similar API functions and similar calling methods. It is a further encapsulation based on the ST HAL library. It is much more convenient and simpler to use and configure than the ST ...[Details]
The trade war between China and the United States has become the focus. The United States has begun to play the ban card against Chinese technology companies. The ZTE incident shows that if the ban...[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]
As many companies listed with
the concept of
touch screen
begin to "transform and upgrade", the official voice of the TP industry is getting smaller and smaller. At the same time, the list o...[Details]
I slightly changed the lyrics of Yu Quan's song "Running", which seems to be
a reflection of the current state of
Huawei Cloud
. At the annual Huawei Analyst Conference held on April 17,
Zh...[Details]
STM32 uses FSMC to read and write CPLD programs. CPLD is hung on the address line and data line of STM32. CPLD is regarded as an off-chip RAM for reading and writing. On the board I made, CPLD is hun...[Details]
This paper combines embedded control technology with network control technology to realize the design of temperature control system based on single chip microcomputer through Internet control. Th...[Details]
In recent years, in order to meet the needs of social development, more and more companies have entered the fields of smart phones, artificial intelligence,
VR
, AR, etc. After seeing the d...[Details]
Notes on inverter installation and maintenance:
1. Before installation, you should first check whether the inverter is damaged during transportation.
2. When selecting an installa...[Details]
STM32 has 2 watchdogs: independent watchdog and window watchdog. Independent watchdog IWDG: A system fault detector that is independent of the system and is not affected by the system because it has ...[Details]
The calculation formula of the watchdog feeding time (watchdog overflow time) is: Tout=((4*2^prer)*rlr)/40 Tout is the watchdog overflow time (in ms), prer is the watchdog clock prescaler value (...[Details]
Embedded System
京公网安备 11010802033920号
EEWORLD
