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...
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...
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
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...
DCDC means DC to DC (conversion of different DC power values). Any device that meets this definition can be called a DCDC converter, including LDO. However, the general term is that the device that co...
On August 31, the "Happiness with AI - Technology and Healthy Elderly Care Integration Development Forum and UBTECH Smart Healthcare Global Strategy Conference" guided by the China Association of...[Details]
Fluke Networks has introduced an economical entry-level copper cable certifier, the FLUKE DSX-600 CH, which can improve the productivity of small-scale cable installation work and increase the return...[Details]
He Yadong, spokesperson of the Ministry of Commerce, said on the 21st that the semiconductor industry is highly globalized. After decades of development, it has formed an industrial structure in whic...[Details]
This section will focus on the geometric operations in LabVIEW 8.2. The geometric operation nodes are located in the "Math → Geometry" of the function palette, as shown in the figure.
G...[Details]
From the end of 2015 to the first quarter of 2016, favorable policies related to energy storage and new energy vehicles were frequently issued, market demand continued to rise, and capi...[Details]
Phone Arena tested the charging speed of the Galaxy S20 Ultra. It is reported that the Galaxy S20 Ultra has a battery capacity of 5000mAh and supports 45W fast charging, but the charger included in t...[Details]
1. Issues that should be paid attention to when receiving serial port data in UC/OS design 1. Data receiving process of serial communication: 1 UART receive FIFO triggers an interrupt after receiving...[Details]
Google's Russian subsidiary will file for bankruptcy, the company said it could no longer keep the branch. The Russian branch reportedly had revenue of 134.3 billion rubles (about $2.086 billion) in ...[Details]
With the popularization of computers, the performance, reliability and application environment of PCs have changed dramatically. In the industrial field, PCs have a large number of supporting soft...[Details]
Current iPhone models, like the iPhone 12 and iPhone 12 Pro series, have their Face ID system and sensor suite housed in a notch at the top of the display. However, Apple is working on a system...[Details]
To simulate a signal or to generate a standard signal we need, how to achieve this? In fact, there is a device called a signal generator that can achieve such a function very well. This kind of equip...[Details]
As the number of electric vehicles (EVs) increases, there is a growing need worldwide to create more energy-efficient charging infrastructure systems that can charge vehicles faster than ever before....[Details]
1. Brief Introduction AArch has 31 general-purpose registers, which are called Xn when the system is running in 64-bit state and Wn when running in 32-bit state. AArch32 and AArch64 register corres...[Details]
Qualcomm 7, the "full attendance" at the CIIE, attended the CIIE, showing a new chapter in intelligent computing and ecological cooperation
On November 5, the 7th China International I...[Details]
Analog electronics
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