How to use the internal Flash to make a small USB disk under the USB msc function of the Huada MCU HC32F460 is as follows. The internal USB FS of the Huada MCU HC32F460 supports Device and OTG , and s...
[i=s]This post was last edited by jinglixixi on 2020-7-27 07:58[/i]The ESK32-360 development board supports a wide range of development tools, which can be seen from the folder of the routines, as sho...
1. Selection of pull-up resistor for MCU You can see that when the resistor R1=10k in the reset circuit, RST is high level, and when R1=50, RST is low level. It is obvious that when R1=10k, it is wro...
This article explains what role PLL plays as LO in wireless communication systems, the principle of fractional frequency division in its operation, the principle of Sigma-Delta fractional frequency di...
The static part of the common source amplifier circuit is shown in the figure. In the figure, R1 is connected to a 5W resistor. When the static working point is adjusted by 12V, the GS voltage is arou...
A program problem I saw on the Internet a few days ago.
#include reg51.h
unsigned char code a ={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f};
unsigned char i=0;
void delay()
...[Details]
Although 3G products are gradually occupying the market, major manufacturers and various fields are also waiting for the arrival of the 3G era, but this does not mean that 2G will be completely re...[Details]
News on the morning of April 7th, today the iOS 15.5 developer beta was launched. Foreign media 9to5Mac found that part of the code showed that the "Reader" App added support for third-party channel ...[Details]
1. Overview With the development of society and the expansion of production scale, the automation degree of industrial production process is getting higher and higher, and the means are becoming more...[Details]
(23) Label: BHD2 Function: Convert double-byte BCD decimal to double-byte hexadecimal decimal
Entry condition: The double-byte BCD code decimal to be converted is in R4 and R5.
Exit information: T...[Details]
As modern electronic products, especially portable electronic products, have increasingly higher requirements for noise, interference and power consumption, the power supply voltage requirements of m...[Details]
The XC7Z020 SoC chip used in the SDS1000X-E has a dual-core ARM Cortex-A9 processor (PS) + an FPGA (PL) based on the Artix-7 architecture. The processor part supports a maximum main frequency of 866 ...[Details]
An epidemic has accelerated the ebb of the capital economy, and a large number of naked swimmers have been forced to go ashore: the US stock market crashed, Chinese stocks were shorted, and the inve...[Details]
High impedance signal measurement such as air quality detection, photoelectric signal detection, accelerometer, piezoelectric sensor and biological signal is easily affected by the input resistance an...[Details]
1. Experimental Introduction Implement the DS12C887 clock perpetual calendar experiment in Teacher Guo Tianxiang's video and an experiment using DS18B20 for temperature acquisition. The specific func...[Details]
Recently, Shanghai Lingang issued the revised "Several Policies on the Clustered Development of Artificial Intelligence Industry in the Lingang New Area of the China (Shanghai) Pilot Free Trade Zon...[Details]
1. Choose the right algorithm and data structure. You should be familiar with the algorithm language and know the advantages and disadvantages of various algorithms. For specific information, please ...[Details]
This article describes how Dallas Semiconductor improved the legacy 8051 microcontroller to create a high-performance drop-in replacement that can perform up to 33MIP. Additional features such as mul...[Details]
introduction When you connect a microcontroller to a sensor, display, or other module, have you considered how the two devices communicate with each other? What are they talking about? How do they un...[Details]
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