[i=s]This post was last edited by paulhyde on 2014-9-15 09:28[/i] Xia Yuwen's book "From Algorithm Design to Hard-Wired Logic Implementation" is available for download....
I wrote a soft keyboard program using evc4.0. It is based on a dialog box. Clicking the button simulates the key message keybd_event. Everything is normal when debugging on the simulator, but when I t...
Please advise:There are two power supplies, 12V and 9V.When 12V is powered normally, LOAD consumes 12V instead of 9V.When the 12V power is off, LOAD switches to 9V power supply.Similar effect to UPS.I...
STM timer interrupt, why do we need to set the serial port baud rate, what is the purpose of setting the serial port baud rate in the main function?...
Recently, there is a TMS320F2837xx event in the forum. I guess many friends have already bought the board, and some have already warmed up. So what applications and projects do you plan to use it for ...
3X7 matrix keyboard example EINTDriver_3X7KB.cpp based on TQ2440 BSP Please visit: http://blog.mcuol.com/User/iwillbeback008/Article/38507_1.htm But there are some questions: For example, on the keybo...
In the past few days, the news that ZTE was "banned" by the US Department of Commerce has triggered widespread reflection and concern in various domestic industries about the lack of independent co...[Details]
1. Principle 1. Infrared emission protocol There are many infrared communication protocols. This experiment uses the NEC protocol. This protocol uses PWM modulation and uses pulse width to represen...[Details]
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]
Recently, the " ZTE
incident"
caused by the Sino-US trade war
has caused heated discussions in the electronics industry. It not only reflects that Chinese companies are lagging behind in the...[Details]
1. Photovoltaic inverter installation process
1. Preparation before installation
Are the product accessories, installation tools and parts complete? Is the installation environmen...[Details]
In Windows environment, the source code is encoded in UTF-8. If the source file created by STM32CubeMX contains Chinese comments, then using STM32CubeMX to regenerate the source code will cause the C...[Details]
Today, under the guidance of a low-level expert, I learned how to configure the PWM module! Woof! First open the file configured last time, as follows: Then, we need to use TIM1 to set PWM: Then,...[Details]
Superconductors have physical properties such as zero resistance effect, Meissner effect and Josephson effect, which make them have broad application prospects and unparalleled advantages in many b...[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]
The implementation of CAN driver under embedded operating system Android requires not only adding CAN driver device in Linux kernel, but also implementing the call of Android HAL layer. Taking S5...[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]
1. Heart rate measurement principle 1. What is a heart rate module? The heart rate module is professionally used to monitor the heart rate of the wrist, fingers, forehead, earlobe, chest and other ...[Details]
WPG Holdings announced that its subsidiary Youshang has launched a wireless smoke alarm solution based on STM and Semtech . With the development of the national economy and the enhancement of...[Details]
Using the WWDG of STM32F030, it is found that the MCU will not be reset under STOP, just like the sleep mode of STM8S. Paste the watchdog code: /******************************************************...[Details]