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#include reg52.h sbit LED P0^4; void main() { EA = 1; // Enable general interrupt TMOD&=0xFC; TMOD|=0x01; TH0 = (65535-2000)/256; // Timing 2ms TL0 = (65535-2000)/%256; ET0 =...[Details]
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Nokia 6.2 and Nokia 7.2 are expected to be officially released at IFA 2019 in Berlin on September 5. There have been some leaks about Nokia's new phones earlier, and recently a foreign media released...[Details]
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In 2019, a smart headband for children appeared in people's vision. It was created by Qiangnao Technology. With the help of this headband, students' learning interest and initiative awareness have be...[Details]
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Multi-stage amplifier circuit
1. Multi-stage amplifier circuit and its coupling method
In many applications, the amplifier is required to have a higher gain and appropriate input and output re...[Details]
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Under the current subsidy situation, there are several problems with the widespread use of LFP: 1) The current highest energy density of LFP cells is about 175Wh/kg at 1C, and the existing Pack can...[Details]
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Yesterday I read the Flash of the STM32F030F4P6 that I often use, and found that in addition to the officially marked 0~3 sectors, 4~7 sectors can also be read and written normally, but the program c...[Details]
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The main uses of STM and LDM are site protection, data replication, parameter transfer, etc. There are 8 modes, as follows:
Note: The first 4 are used for data block transmission, and the last ...[Details]
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From telephones, office equipment, speakers, digital photo frames, TV control buttons, remote controls,
GPS
systems, car keyless controls, to medical monitoring equipment, touch devices are...[Details]
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1. What is
ripple
?
Ripple is defined as the AC component superimposed on the DC stable quantity in a DC voltage or current.
It has the following main disadvantages:
1.1. It ...[Details]
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The two parties will cooperate to develop advanced power semiconductor technologies to promote the aviation industry's transition to hybrid and pure electric systems
Semico...[Details]
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In the process of writing a program, as the amount of code increases, if all statements are written into the main function, on the one hand, the program will appear to be more messy, and on the other...[Details]
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618 is here, it is a good time to buy various electronic and electrical products. How should you choose a mobile power bank? Supervision and random inspection results released Recently, the...[Details]
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Switching power supplies are used to control these power supplies. Due to their significant advantages, switching power supplies have become the standard power supply for most electronic products....[Details]
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The center console of a car is a part that we usually touch when driving. The Tesla MODEL S uses a whole touch screen to replace the traditional buttons and knobs to control the air conditioning and ...[Details]
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The method of connecting a single-phase inverter outputting three-phase 220V to a three-phase motor is as follows:
Determine the input power and output voltage of the inverter
First...[Details]
PCB Design
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