As the title says, if the PWM signal frequency is 46.875k, then the period is about 21.333usIs it feasible to use pc817 optocoupler? The maximum frequency is 80khz and the response time is 18us. How t...
Please help me: I need to use the remaining power in the switching power supply to write data to the NOR flash after the system is disconnected from the mains. The NOR flash has been erased before whe...
Before writing the flash file system of DJYOS, I spent a few days testing the life and failure mode of flash. From previous experience, I have a basic intuitive understanding of the failure mode of fl...
[i=s]This post was last edited by paulhyde on 2014-9-15 09:52[/i][size=4][b]1 Introduction[/b] [font=宋体]The temperature controller has been widely used in many fields such as industrial control. The i...
Wang Xiaochuan, the "Wudaokou Goalkeeper", is going through a level that he has never gone through before. For example, Sogou's (NYSE: SOGO) financial report, artificial intelligence, and the futur...[Details]
The update interrupt initialization configuration of the stm32 advanced timer TIM1 is not much different from that of the ordinary timer. What needs to be paid attention to is the configuration of TI...[Details]
When Amazon launched its first
cloud computing
service, the outside world was not optimistic about this direction, as it had high investment, low profits and many uncertainties. Let's follo...[Details]
China Energy Storage Network:
Blockchain + finance, blockchain + environmental protection, blockchain + insurance, even a roadside fried chicken shop is using the banner of blockchain + fried...[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]
The goal of this article is to build a TCP client based on the previous project that can ping the PC, and can actively send data to the PC, and can also send and receive data with the PC, and display...[Details]
This is my first time writing an STM32 program. I have many questions to ask. I want to convert the data of the SO of MAX6675 into the actual temperature and read it out using the serial port tool. I...[Details]
I slightly changed the lyrics of Yu Quan's song "Running", which seems to be
a reflection of the current state of
Huawei Cloud
. At the annual Huawei Analyst Conference held on April 17,
Zh...[Details]
Leading Chinese PV inverter manufacturer Huawei said it is supplying string inverters to a 75MW fully digital utility-scale solar project in Brazil, which it claims is the first of its kind in the cou...[Details]
The article is written for LPC2148, but it is also applicable to Samsung's 44B0 chip. You only need to select S3C44B0 as the corresponding CPU when selecting it. JLINK debugging experience un...[Details]
Kevin Jensen ams Semiconductor
Sensors
and lighting expert. Let's learn more about the relevant content with the network communication editor.
Everything is becoming "smart" these ...[Details]
Photovoltaic inverters are the core equipment of photovoltaic systems. Their main function is to convert the direct current generated by photovoltaic modules into alternating current that meets the...[Details]
Site conditions: 1. AD acquisition, DMA transmission; AD is set to single-channel continuous mode, DMA is set to single-shot mode. The upper threshold of the AD analog watchdog setting is less than t...[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]
Internal channels of ADC: In addition to using external channels to collect external analog voltage signals, the ADC of STM32 also has two internal channels 16 and 17. Channel 16 is connected to ...[Details]
Analog electronics
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