LM2596 is very commonly used. I bought a few of them when I bought other things. I tested it yesterday. At the beginning, I burned two of them without noticing, and also burned the peripheral componen...
#define SIPF_OFF 0x00000000 #define SIPF_ON 0x00000001 #define SIPF_DOCKED 0x00000002 #define SIPF_LOCKED 0x00000004 The normal switch input method can get the value corresponding to SIPF_DOCKED, but ...
Abstract: A two-stage first-order adjustable phase shifter with a center frequency of 100 MHz is constructed using a PIN tube and a radio frequency operational amplifier. The phase adjustment range is...
On April 24, Sungrow released its annual financial report. The report shows that in 2017, Sungrow's global shipments reached 16.5GW, of which domestic shipments reached 13.2GW, a year-on-year incre...[Details]
LAN8720 configuration: IP: 192.168.192.30 Gateway: 192.168.192.1 A high frequency of ARP packets is detected The content of the packet asks for the mac address of 192.168.192.1, and asks the resp...[Details]
Serial Port: 一. USART_ITConfig(USART1, USART_IT_TXE, ENABLE): As long as the transmit register is empty, there will always be an interrupt. Therefore, if you are not sending data, turn off the tran...[Details]
This program mainly uses the comparison output function of the timer to generate PWM waves to control the LED. The comparison output of timer A corresponds to P2.3 P2.4. Therefore, a matching working...[Details]
1. Brief description A summary of "How to build uClinux kernel transplantation on ARMSYS development board with S3C44B0X as core", including the analysis of Bootloader function and the key co...[Details]
The independent watchdog of STM32 is driven by a dedicated internal 40Khz low-speed clock, that is, it is still effective even if the main clock fails. Here we need to note that the clock of the inde...[Details]
The clock system of STM32 can be directly summarized in a diagram (from the STM32F10X reference manual). The following is an analysis of this diagram 1. STM32 input clock source 1.1 Function of cl...[Details]
In one of my products, there are two chips, AVR and PIC, at the same time. When AVR drives the relay, then drives the contactor. PIC is used for display. I found that PIC actually has a little interf...[Details]
At the early morning of November 17th, Beijing time, at the Global Supercomputing Conference held in Denver, the United States, the "nonlinear earthquake simulation" application completed by the te...[Details]
Source program: SLAVR737.ASM uses AVR microcontroller 8-bit data to generate random numbers, outputs random numbers from PORTA and PORTC, and displays them on 8X8 LEDs. For hardware wiring circuit, s...[Details]
High reliability, powerful functions, high speed, low power consumption and low price have always been important indicators for measuring the performance of single-chip microcomputers , and are a...[Details]
The story of Wang Po selling melons is common. For ordinary people in rural areas, if it is a melon, it is fine to buy it. At most, you cannot eat it and can throw it away to feed the chickens. But...[Details]
Analog electronics
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