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...
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...
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Nexperia Award-winning Live Broadcast: Introduction and Application of Automotive Power MOSFET and GaN Devices in Electric VehiclesClick here to enter the live broadcastLive broadcast time: October 18...
First, rotate the "LEVEL" trigger level knob to make the "TRG LED" indicator light up, indicating that the trigger conditions are met at this moment. Second, press the "SOURCE" trigger source selec...[Details]
On April 5th local time, Tesla released the complete document of the third chapter (Master Plan Part 3) of its sustainable energy development "Master Plan".
It outlines a desir...[Details]
On December 31, 2020, the 8MW/16MWh energy storage project supporting the Dongying Kenli Hongtai 40MWp photovoltaic power station, invested by Shandong Dongying Caijin Clean Energy Co., Ltd. and sy...[Details]
Chip industry leader TSMC reported record revenue and profits in its fourth-quarter earnings report last year as a global shortage of semiconductors and new technology trends drove growing demand for...[Details]
Fujitsu Launches New A4 High-Speed Image Scanners – 6 Models (fi-8190, fi-8290, fi-8170, fi-8270, fi-8150 and fi-8250)
With advanced paper feeding technology and new optical techno...[Details]
1. Function The ultrasonic ranging learning board can be used for position monitoring of car reversing, construction sites, and some industrial sites. It can also be used in situations such as liquid...[Details]
;This program uses the microcontroller to send data to the computer via the serial port, and the computer can receive it using the serial port debugging tool
ORG 0000H
RESET: MOV R0,#00H
L0: DJNZ...[Details]
1. Concept Literacy 1.IAP IAP is the abbreviation of In Application Programming. IAP means that the user's own program burns part of the User Flash area during operation. The purpose is to easily u...[Details]
Target This lab activity introduces phase-locked loops (PLLs). PLL circuits have important applications such as signal modulation/demodulation (mainly frequency and phase modulation), synchronizat...[Details]
The LEMO B Series brings to the market modular, ergonomic, rugged and reliable circular multi-core connectors for applications that require quick and secure plug-in and unplugging. This makes the s...[Details]
Reuters quoted the British Daily Telegraph as reporting that the UK will gradually remove Huawei's 5G equipment in the UK within six months. Officials are drafting proposals to stop installing new ...[Details]
Consumer Reports, an authoritative American automotive review media, once compared the SuperCruise of General Motors Cadillac CT6 with several other intelligent driving systems including Tesla FSD. S...[Details]
PIC18F 45K80 CAN communication example, can be debugged through simulation, pay attention to the selection of compiler, C18 cannot pass. The microcontroller source program is as follows: #pragma con...[Details]
On November 11, Tianma Microelectronics Co., Ltd. (stock code: 000050, stock abbreviation: Shenzhen Tianma) held the third extraordinary general meeting of shareholders in 2021 to review and vote on ...[Details]
Camera phones are now used as formal digital cameras. Users want to take high-quality photos even in low-light conditions, so an additional illumination source is needed in camera phones. White LED...[Details]