A long time ago, I made a collection of materials for a virtual oscilloscope. It is different from the concept of EEWORLD. It is simpler and low-cost, but has a small bandwidth (I use tlc5510)....
Let me say a few words to explain some concepts to those who are confused about operating systems (especially embedded operating systems) like me before. Because people always ask whether it is necess...
The data in DSP are all represented by two's complement. So when calculating the multiplication of a negative number and a positive number,how is it multiplied?For example, -1*2in DSP is oxFFF*ox0002,...
What you see is what you get, including [b]1. Raspberry Pi B+ Raspberry pi model B+ Raspberry Pi B upgraded version UK original [/b] [b]2. [color=#3c3c3c] Raspberry Pi Raspberry Pi B+ shell fixing fra...
I referred to the blogs of ztg0021 and googleman and started the work of porting wince5.0 BSP to wince6.0. I have ported KITL and OAL, but the progress is very slow. The following error occurs during ...
The most significant event in the technology circle during this period is undoubtedly the news that ZTE was banned by the United States. Once the news came out, it shocked the entire Chinese techno...[Details]
China Energy Storage Network News:
According to reports, in order to reduce carbon emissions, a group of Japanese technology and energy companies are launching a pilot project that aims to al...[Details]
For STM32, there are two ways to reset the software: 1) Use the official software library The system reset function is directly provided in the stm32f10x_nvic.c file of the official software li...[Details]
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]
At present, in the world,
the construction of
smart cities
is in the process of gradually landing from concept, and technology giants and investment giants are important participants in this...[Details]
From small households to large enterprises, energy consumption has always been a concern for everyone. The energy consumption of Chinese enterprises has always been high, and the country has also wor...[Details]
Kevin Jensen ams Semiconductor
Sensors
and lighting expert. Let's learn more about the relevant content with the network communication editor.
Everything is becoming "smart" these ...[Details]
In mid-to-late 2016, a girl from Hubei came to Beijing alone, full of curiosity about
cloud computing
. The girl left the deepest impression on me was her lovely smile. She told me that if ...[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]
Title: Use the table lookup method to convert a hexadecimal number into ASCII code. The input parameter is placed in the internal RAM 50H, and the output parameter is in R0. Requirements: Complete th...[Details]
Try to design a subroutine, whose function is to rearrange the 6 single-byte positive integers in the internal RAM pointed to by (R0) in ascending order. ;========================================== ...[Details]
Circuit: Using AT89S52 single chip microcomputer. P3.0 to P3.3 are connected to four external buttons. P3.4 to P3.7 are the bit selection ports for controlling the four digital tubes, and P1 is the s...[Details]
I have been deeply affected by serial ports since 51. The MAX232 I bought from Huaqiang was originally broken. I thought there was something wrong with my circuit or schematic. Since there was no goo...[Details]
//Environment: winavr+avr studio char temp=0; ISR(TIMER1_COMPA_vect )//interrupt function { // user code here temp++; if (temp==10) temp=0; PORTA=temp; DDRA=0xff; } void ...[Details]
I read the description of I/O ports in the M16 manual, which says that you can use the internal pull-up resistor by setting DDXn=0, PORTn=1, PUD=0. Since this can be used, when using the key circuit,...[Details]