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1. Test conditions Hardware: STM32L432KC Main frequency: 80MHz Compiler: IAR 8.20.1 Compiler options: High Speed no size constraints CRC generator polynomial: 0x782f 2. Test Method The softwar...[Details]
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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]
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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]
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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]
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When designing a product, if the application environment's requirements for power isolation are not considered, the product will be unstable due to improper design, and even high voltage may damage t...[Details]
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The application of millimeter wave technology in mobile communications also involves a series of technical problems, including the large propagation loss of millimeter waves and the susceptibility ...[Details]
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This routine is also a classic routine on the development board. I modified the framework of the program to make it more suitable for future calls. The specific 4*4 keyboard scanning principle is rel...[Details]
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ADC Introduction: ADC (Analog-to-Digital Converter). That is, converting analog signals into digital signals for processing. When storing or transmitting, analog-to-digital converters are almost ...[Details]
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As shown in the figure, the author soldered a STM32F207VET6 board using a TQFP (32-100PIN) 0.55MM to direct plug adapter board. The board leads out the SWD debug interface (only PA13 and PA14 are occ...[Details]
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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]
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Here is the temperature added in the previous chapter The above figure is the temperature calculation formula: where Vsense is the ADC value collected from the temperature channel. The stm32f407 ...[Details]
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12864 LCD parallel port driver is more commonly used, but considering that sometimes the IO port of the microcontroller or MCU is limited, the serial driver method can be used. The following is ...[Details]
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How to convert the pin voltage value into V using the built-in ADC of STM32? V(ADC) = Value(ADC) * V(ref)/4096 (The ADC of STM32 is 12 bits, so the maximum value of the AD word is 4096)
Where V(ADC...[Details]
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Single-chip microcomputer experiment design: It is required to use 8951 series single-chip microcomputer, design a pulse generator with a pulse width duty cycle of 50%, 25% adjustable, and a period o...[Details]
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The following comes from - "cortex-M3 Definitive Guide" Special function register group: Program Status Registers (PSRs or xPSRs) Interrupt mask register group (PRIMASK, FAULTMASK, and BASEPRI) ...[Details]