Please help me find out what is wrong with the circuit. The speaker can play sound when it is directly connected to the voice IC, but there is no sound after it is connected to the power amplifier. Th...
Hardware platform: STM32F746G-DISC
Development platform: KEIL_5.29
I will not introduce the detailed structure of MP3 files here , but only introduce how to use the MP3 decoding library. If you need t...
1. There are signals in and out, and there may be a clk. When in changes from low level to high level, out should output high level immediately. No matter how in pin changes, out should not change. Ho...
Every time the program of the board is changed, the board must be powered off, then powered on again, and the program must be burned again before it can run. This is inconvenient. Are there any improv...
Well, I participated in an event and was given a board for free, but the prerequisite was to debug and port it to an MCU, so I wrote the Arduino UNO. Then after I got it, I found that ST actually wrot...
jianshanST Sensors & Low Power Wireless Technology Forum
Due to the impact of the Great East Japan Earthquake, the "2012 General Meeting of the Institute of Electronics, Information and Communications Technology" was held again after a year. The wireless...[Details]
Ruckus Networks, an ARRIS company dedicated to the development of innovative wired and wireless network technologies, recently announced that it has completed the network deployment of Dezhou People'...[Details]
realme GT is the first flagship product launched by realme this year. Currently, the phone is on sale during the 618 promotion, with the 12GB+256GB version priced at 2,999 yuan, making it extrem...[Details]
In the design of Taycan, what design details of the 800V battery system are worth our careful analysis. Here are some of the following contents worth our careful review. The following contents are ma...[Details]
1. The meaning of Nand Flash driver source code file In the Linux kernel, the MTD source code is placed in the /driver/mtd directory, which contains six subdirectories: chips, devices, maps, n...[Details]
The development of the science and technology industry has shifted from PCs to mobile terminals, and semiconductor technology has undergone remarkable changes in both application and value. Now, a ne...[Details]
FPC, also known as Flexible Printed Circuit in English, is commonly known as "soft board". It is a highly reliable and excellent flexible printed circuit made of flexible insulating substrates such a...[Details]
Traditional power feedback Power supplies often use resistor networks to set the output voltage. However, the tolerance of many components affects the accuracy of the output voltage, and fixed ...[Details]
Abstract: With FPGA
chip
as carrier, a multifunctional
signal generator
is designed through LPM_ROM module of QuartusII and VHDL language as core
. According to the selection of input si...[Details]
Due to work reasons, I need to use the STM8L101F3P6 microcontroller to simulate serial communication with an IO port at a baud rate of 2400bps. My senior colleague has already written the program, an...[Details]
The latest research results recently published in the magazine "Science" show that an all-solid-state battery with large capacity and large current characteristics has been successfully realized, mak...[Details]
Investments usually range from tens of thousands to millions of dollars. It is very important to make the right choice at the first time and avoid common mistakes, which will lead to unnecessar...[Details]
Multi-screen linkage, smart surfaces, autonomous driving, new materials, and emotional engines are rapidly spreading to mid-to-high-end luxury electric vehicles. Smart cockpits will perfectly integra...[Details]
Photoelectric spectrum quantitative analysis requires sufficient sensitivity and accuracy. The sensitivity problem is closely related to qualitative analysis. Generally, photoelectric spectrum analy...[Details]
Analog electronics
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