How to achieve dual power supply? Currently, I only have a 9V power adapter and voltage modules such as 7805, 7905, 7812, etc., and the op amp needs dual power supply and zero adjustment. How can I ge...
I used a small algorithm in a driver. This algorithm uses the CString class. When I debugged this algorithm as a normal application program in VS2005, there was no problem. But after debugging in VS, ...
Hometown Original Singer: Xu Wei The setting sun in the sky shines on my face again, and again reflects my uneasy heart. What place is this? It is still so desolate, and the endless journey is so long...
Normally, I use the touch screen of a PDA to operate the program. Now I want to use the buttons (up, down, left, right, menu key, etc.) to operate the program. How can I achieve this? Is there any exp...
This TI course is very interesting. The speaker is an engineer with 34 years of experience in motor drives. The course often prompts you to think deeply. You can see his love for motor drives between ...
introduction STM32 has many registers, which are difficult to remember, so the official packaged two sets of library functions. One is the standard library, but the official has not updated it on F7,...[Details]
Development Background: 1. Main chip - STM32F207VCT6; 2. TCP/IP protocol stack - LWIP, transplanted based on ST routines; 3. Operating system - none (bare metal); Anomalies: 1. Power on the device wi...[Details]
With the implementation of the first version of the NR sub-6GHz draft of 3GPP in December 2017, and the subsequent Phase 2 drafts, semiconductor manufacturers and terminal manufacturers began to ...[Details]
As cryptocurrency continues to gain popularity, a technology hidden behind it has attracted more attention from the world, that is the now hotly debated
blockchain
. Let's follow the embedd...[Details]
In recent years, in addition to Huawei Kirin
chips
in the mobile phone industry
, Xiaomi's own processor Pengpai S1, AI
chip
start-ups such as Cambrian, Horizon, and Deephi Technolo...[Details]
Mobile communication resale business means that enterprises can contract part of the communication network usage rights from basic telecommunications operators, repackage them into their own brands...[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]
STM32 ADC multi-channel conversion Description: Use ADC to continuously collect 11 analog signals and transfer them to memory through DMA. ADC is configured to scan and continuously convert mode,...[Details]
Getting to the bottom of blockchain
Since last year, blockchain has become the hottest word in both the financial and non-financial circles. Some people use it as a gimmick to engage in va...[Details]
The clock frequency of the 80C51 microcontroller is 12MHz, and the timer T1 and P1.0 are used to output rectangular pulses. The waveform only shows two segments: one segment is 100us and the other se...[Details]
A group of young people who looked like they were in their twenties or thirties were squatting on the edge of the factory flower bed. Some were looking at their phones helplessly, while others were...[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]
Convert a byte of binary to two hexadecimal ASCII codes main: mov a,@0x9f ; the binary number is 0x9f mov 0x30,a ; store binary number in 0x30 mov a,@0x02 mov 0x10,a ;0x10 stores the conversion numbe...[Details]
1) Understand how to use the M27c4001 ROM chip 2) Understand the programming method of SPCE061A I/O directly plugging into M27C4001. 1) A PC with Windows system and uμ抧SP? IDE simulation ...[Details]
Analog electronics
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