The automatic fire alarm system is composed of a trigger device, a fire alarm device, a fire alarm device and other auxiliary function devices. It can convert the physical quantities such as smoke, he...
[size=4]In digital signal processing, sometimes two complex numbers are multiplied, and one of the multiplicands is the conjugate of the original input number. For example: there are two input signals...
I want a solution for a mobile power fan. 1. Single 18650 2. Fan power supply 3 levels 3. Charging indicator light 4. Lighting controlled by MCU. If you have MCU or PCBA, please contact me at QQ 13643...
I recently got a S3C2410 development board. In the REALVIEW program, I saw the 2410 initialization code. There is a sentence that I don't understand: pISR_EINT0 = (unsigned) break_point; pISR_EINT0 se...
As shown above, a parameter d is assigned a value of 0 in the program, but the compilation prompt does not use it.
There is another parameter c, which is also assigned a value, the same.
There is no o...
[size=4] I want to build a tree network. How do terminal nodes access the network through a router? (The coordinator's neighbor table stores information about all nodes in the network. When a terminal...
1. Function prototype In the function library officially provided by STM32, you can find functions like HAL_Delay(). This function uses a timer to achieve a more accurate time delay and provides it...[Details]
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In accordance with the relevant requirements of the provincial and municipal electric vehicle charging infrastructure construction work, in order to further standardize the...[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]
In 2018, the National Development and Reform Commission issued a new photovoltaic subsidy policy. The benchmark on-grid electricity price was significantly reduced, the return on investment decreased,...[Details]
With the development of the automobile industry, more and more automotive electronic components are being used in modern cars, providing better safety, comfort and economy for cars. In the past, cars...[Details]
From the functional classification, it can be divided into: 1. Active control ADAS: ACC/AEB/LKS, etc. 2. Warning ADAS: FCW/LDW/PCW, etc. 3. Other auxiliary ADAS: BSD/ADB/panora...[Details]
The clock system of STM32 can be directly summarized in a diagram (from the STM32F10X reference manual). The following is an analysis of this diagram 1. STM32 input clock source 1.1 Function of cl...[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]
DMA: 1. When using DAC, when the converted analog signal is output through the IO port, why is the IO port also configured to input mode? PS: The stm32 manual defines that PA4 and PA5 are connected...[Details]
China Energy Storage Network News:
2017 is the year when China's energy internet policy was implemented. Since the National Energy Administration issued the "Notice on the Announcement of the...[Details]
The data provided by the International Federation of Robotics (IFR World Robotics) well demonstrates the growth momentum of industrial robots around the world. Let's follow the industrial control e...[Details]
The three most common treatments for tumors are surgery, chemotherapy, and radiotherapy. Surgery is more invasive and difficult to operate on some parts of the body. Chemotherapy uses chemical drugs ...[Details]
China Energy Storage Network News
: On January 26, the second theme maker camp "Energy Internet Town" of the "Xiongdian Acceleration Maker Space" of the Xiong'an New Area Power Supply Company...[Details]