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Problem description: Using stm32 serial communication, when the PC sends character 8, LED PB.0 flashes Step 1: Configure the system clock. There is no need to explain this in detail, so I will not po...[Details]
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The probe that comes standard with an oscilloscope can only measure voltage. In fact, the oscilloscope itself can only measure voltage. If you want to measure current, you must use a current probe, a...[Details]
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About PID proportional regulation: it is to respond to the deviation of the system in proportion. Once the system has deviation, proportional regulation will immediately produce regulation to reduce ...[Details]
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A few days ago, I basically got the external interrupt working, but I didn't know much about the specific meaning and difference of several interrupt registers. Today, I read the datasheet in detail ...[Details]
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Today's code is warned: left shift count = width of type Code: typedef enum { MSG_WARNING_DELAYED = (1 30), MSG_WARNING_LOCKED = (1 31) }MSG_EVENT_TASK_WARNING; Platform: AVR-GCC/Atmeg...[Details]
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Working principle: Transistors VT1 and VT2 form a complementary self-excited multivibrator, and the oscillation feedback network is composed of capacitor C. The base bias circuit of VT1 is compose...[Details]
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The storm is brewing. The already unstable field of automotive chips has seen many major events recently. The next era of smart cars is getting closer and closer to us. On September 20, NVIDIA just...[Details]
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According to South Korean media THE ELEC, UBI Research released its latest report stating that China became the largest buyer of smartphone OLED panels in the second quarter of 2020. ...[Details]
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I have never been good at tinkering with DMA. When I was adjusting the BLE project, I encountered the problem of DMA serial port transmission. I was very sad and cried for a long time!!!
There are a...[Details]
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High-intensity discharge lamps (HID) such as high-pressure sodium lamps (HPS) have the characteristics of high light intensity and long life, and are widely used in area lighting applications in publi...[Details]
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After the launch of the realme GT Neo 3, the brand is now gearing up to launch the realme GT Neo 3T phone, which is the successor to last year’s GT Neo 2T. Recently, it has appeared on the 3C and Gee...[Details]
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1. Principle
The four-quadrant photodetector is actually composed of four photodetectors, one for each detector. The target light signal is imaged on the four-quadrant photodetector af...[Details]
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51 MCU dot matrix 8X8 snake design (simulation + program) The snake 8X8 program and simulation made in my spare time are both in the compressed package below. The components are the most commonly use...[Details]
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The laser power supply is based on the principle of capacitor discharge, and the pulse formed is a sharp pulse with a shallow leading edge. If a transmission line (coaxial cable or pulse forming netw...[Details]
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ARM system clock initialization:
This requires knowing what is a clock pulse signal, what is a clock frequency, and what is a clock source.
Clock pulse signal:
Clock pulse ...[Details]
PCB Design
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