The 74hc595 cascade program test is fine, but now the problem is that PC3, PC4, PC5 are connected to 74hc4094D output Q1-Q8 is connected to LED1-LED8 lights, PB0 is connected in series with 8 keys KEY...
If you have money, you want to see the guinea pig of EWSTM8. I am one, but an old one.The previous PP,and the next is the introduction of the guinea pig. IAR EWSTM8 project creation.pdf (636.96 KB)Dow...
[i=s]This post was last edited by a student of media on 2014-12-4 19:00[/i] I saw a netizen post about the application of small solar cells in the forum, which coincided with my idea. So I made a smal...
[size=4] Voltage sag or drop refers to the phenomenon that the effective value of the power supply voltage suddenly drops in a short period of time and then rises back to normal. The Institute of Elec...
[i=s] This post was last edited by Ruizai Fendou on 2021-4-21 15:16[/i]When simulating a memristor circuit, the output voltage waveform of U2 needs to be measured, but the output waveform remains unch...
A very interesting design. It is mainly about the AD and serial communication part of Atmega48. It is not very difficult overall. You can make one yourself... [[i] This post was last edited by mxdaiyi...
Entering the information age after the millennium, the huge demand for semiconductor chips has made China the world's largest semiconductor market. According to relevant data, the scale of my count...[Details]
On April 20, Alibaba Group announced that it would acquire
the
chip
company Zhongtian Microelectronics and invest in six
chip
companies. Yesterday, JD.com CEO Liu Qiangdong said in a...[Details]
Chip: STM32F103C8T6 Application Pin: Output: PA0, PA1 TIM2 CH2 channel To achieve 50HZ (20ms) adjustable PWM output on the PA1 pin, set the system TIMx_CNT=8MHZ=8000 000HZ, set TIMx_PSC=800-1, then T...[Details]
The Wassenaar Arrangement, everything started during the Cold War. Let's learn more about it with the embedded editor.
background
After the end of World War II, the United States ...[Details]
Recently, the "Smart Photovoltaic Industry Development Action Plan (2018-2020)" jointly issued by six departments has put this concept on the forefront. Photovoltaic smart solutions will become the ne...[Details]
A few days ago, Hanergy Chairman Li held a grand launch of Hanwa new products, which once again attracted the attention of the mass media to the development of photovoltaics. The unique Hanergy has gr...[Details]
Our photovoltaic power station starts working at 5:30 in the morning. When you are still sleeping, the inverter starts working to make money!
Some people are skeptical. The sun hasn't even...[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]
This small program is still the use of timer, which is relatively simple. The specific parts are noted in the comments, please refer to the comments. /*********************************************...[Details]
From concept proposal, prototype exploration, technology accumulation to product iteration and industrial development,
VR
has gradually expanded from the military market to the consumer market...[Details]
Similar to the development trend of photovoltaic modules, photovoltaic inverters are also one of the examples of China's successful localization of manufacturing and leading the global market and tech...[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]
The frequency calculation formula of the PWM wave generated by the output comparison mode of the timer is: 72M/((2*(arr+1))*(psc+1) ) For example, if you set: PWM_Init(1000-1,72-1); (PWM_Init(arr,psc...[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]
On the evening of May 4, Alibaba released its Q4 and full-year financial reports for the 2018 fiscal year. The overall growth was rapid, with revenue of 250.266 billion yuan for the 2018 fiscal yea...[Details]