Although I don't have a micro:bit development board, I think its main control chip is nRF51822, and many Bluetooth modules and development boards also have this chip. I just found a ready-made firmwar...
[p=20, null, left][color=rgb(73, 73, 73)][font=Verdana, sans-serif][size=12px]ARM has announced the latest in its MaliTM family of graphics processors. Mali is the industry’s most widely licensed grap...
In the following function, [Col_Low = (Start_Column&0x0f); //Locate the low bit of the column address settingCol_High = ((Start_Column>>4)&0x0f)+0x10; //Locate the high bit of the column address setti...
[table=95%][tr][td] To write C language well, beautiful macro definition is very important. Using macro definition can prevent errors, improve portability, readability, convenience, etc. Here are some...
Can anyone help me? Does anyone know what type of IC is in this circuit? If you know, please send it to my email address. It would be even better if you have information. My email address is: [email]e...
I like to go out on weekends. I am planning to ride to Qinhuangdao recently. I just checked and it is almost 300 kilometers. The last time I rode to Tianjin was only about 140 kilometers. I thought th...
Today, with the increasing integration of functions, mobile phones can also be used as portable media players (PMP), digital cameras, handheld computers (PDAs), and even global positioning systems ...[Details]
introduction
Throughout the history of automotive lighting, power has always played an important role. Initially, cars only needed headlights to see the road in the dark. Later, other light so...[Details]
This paper establishes a fuel cell engine test platform based on the NI integrated hardware and software environment. This platform can realize the test and control of fuel cell engines and their a...[Details]
1 Introduction
PROFIBUS is an international, open, and manufacturer-independent fieldbus standard. It is widely used in manufacturing automation, process industry automation, and automatio...[Details]
1 Introduction
In recent years, there have been many major advances in the production technology and processes of automotive headlights, which have greatly improved the performance of automoti...[Details]
I've been studying dot matrix recently. It looks simple, but it takes a while to master it completely! The 8*8 dot matrix hardware circuit I'm making now is like this. The row is driven by 74HC138 + t...[Details]
Different initialization between C8051F and 80C51 series microcontrollers
In the past 30 years, major electronic component manufacturers in the world have launched their own unique single-chip...[Details]
Abstract: With the development and construction of BeiDou II system, China will shift from the situation dominated by GPS to the situation dominated by BeiDou II global navigation system independen...[Details]
0 Introduction
Under normal circumstances, the three-phase power in the power system is symmetrical, and they meet certain amplitude and phase conditions; but when the load changes, the syst...[Details]
Almost everyone in a student dormitory has a bedside lamp. But if you want to read for a while after turning off the lights and don't want to disturb your roommates' sleep, you may need a reading l...[Details]
The fluorescent lamps and energy-saving lamps we commonly use now have greatly improved luminous efficiency compared with the earlier ordinary incandescent lamps and have been widely used. With the...[Details]
Today, with the increasing integration of functions, mobile phones can also be used as portable media players (PMP), digital cameras, handheld computers (PDAs), and even global positioning systems (GP...[Details]
For a long time, hackers have not had the opportunity to enter the control network of the car. But since the advent of Bluetooth technology and the use of wireless LAN bus systems, this situation w...[Details]
The circuit shown in Figure 1 provides programming voltage for an EEPROM under the control of an external DAC (not shown). You can replace the DAC with a potentiometer to create a universal power supp...[Details]
When designing a PLC system, the control scheme should be determined first, and the next step is to select the PLC engineering design. The characteristics of the process and the application require...[Details]