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Since publicly announcing its entry into the mobile phone field, Gree has been upholding Dong Mingzhu's spirit and attitude of "fighting to the end", which has attracted more attention and ar...[Details]
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At present, in various electronic devices and modern communication equipment, feedback control circuits have been widely used to meet certain requirements or achieve certain technical indicators unde...[Details]
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Abstract: A simple and practical active power factor correction circuit with indirect input current control is analyzed, and simulation and experimental results are given.
Keywords: active pow...[Details]
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Some time ago, we added the USART2 serial port and rewrote the receiving protocol. This time, we can use the previous receiving and sending codes to complete the communication between the mini...[Details]
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//Debug summary: //The obvious problem is that in the write timing and read timing, the PIC MCU writes 1 to the bus by changing the direction to the input direction and pulling up the data line with ...[Details]
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application to KaVo global patent management council This week, I received a task to modify the original code of the system to make the machine move up and down automatically and test the life of the...[Details]
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IIS (Inter-IC Sound) was developed by Philips. It is a commonly used audio device interface, mainly used for CD, MD, MP3 and other devices.
S3C2440 has five pins for IIS: IISDO, IISDI, I...[Details]
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According to Reuters on October 13, Qualcomm announced a new $10 billion stock repurchase plan on Tuesday, effective immediately. The repurchase is a continuation of the stock repurchase plan announc...[Details]
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Problem Description I read the definition over and over again and I still don't get what is SP and LR in ARM? I understand that PC (it shows the address of the next instruction), SP and LR may be sim...[Details]
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A test report may contain dozens of oscilloscope screenshots, so whether the oscilloscope screenshots are convenient is very important. Traditional oscilloscope screenshots usually use a USB flash dr...[Details]
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The basic requirements for chassis tuning are as follows:
① Preparation and inspection of the test vehicle: the tire pressure and positioning parameters reach the designed state, the vehicle p...[Details]
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Many materials and textbooks believe that the on-
resistance
of MOSFET
has a positive temperature coefficient, so it can work in parallel. When the temperature of one of the parallel MOSFET...[Details]
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China Energy Storage Network:
The real economy is the foundation for China's economic development and for winning the initiative in international economic competition. To solve the outstandin...[Details]
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In recent years, rail transit in major cities in China has developed vigorously. The use of AFC system can realize the automation of the whole process of ticket purchase, ticket inspection, billing...[Details]
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Braking performance is one of the key indicators of motor vehicle safety testing. The testing methods include road test method and bench test method. According to GB7258-1997, the road test method ...[Details]