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This is a low noise and distortion preamplifier and tone control circuit in a module. Using a special IC TDA1524A, this simple circuit is easy to build and can drive most of the power amplifiers.
...[Details]
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Not all hackers target the latest IoT devices or connected cars. The 2020 SolarWinds hack exposed how the technology that underpins modern civilization is not only lackluster but also full of vulnera...[Details]
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Even if you are thousands of miles away, you can still have a "designated driver"; put on VR glasses and go on a trip at any time; watch TV and sing songs, and the driverless car will take you to f...[Details]
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Recently, CATL's first overseas factory in Thuringia, Germany, achieved mass production of lithium-ion battery cells as scheduled, marking a milestone breakthrough in CATL's global development....[Details]
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3. Driving circuit design
The power driver uses a field effect tube, which is a field-controlled device with a capacitance effect between the gate and source, so it has high requirements for t...[Details]
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On January 17, Qichacha showed that Hubei Xiaomi Yangtze River Industry Fund Partnership (Limited Partnership) had invested in a new company, Beijing Jingshi Intelligent Technology Co., Ltd. (hereina...[Details]
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LM308 is a precision operational amplifier with sufficient power supply rejection for unregulated power supplies. Its operating temperature range is 0~+70 C. Its operating error under 10M oh...[Details]
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With the rapid development of science and technology, everything around us is undergoing earth-shaking changes, and traditional industries are also undergoing a profound transformation known as the...[Details]
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Kai-Fu Lee once mentioned a popular saying in the industry: “Here comes the liar again.” People will constantly assess whether machines are “human” or not, and this process always starts with being...[Details]
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1 Accelerometer 1.1 Definition An accelerometer is an electronic device that can measure acceleration. Accelerometer is the force acting on an object when it is accelerating, just like the earth...[Details]
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#include
#define uchar unsigned char
#define uint unsigned int
sbit clk=P2^0;
sbit dat=P2^4;
void ls164(uchar x)
{
uchar i;
clk=0;
for(i=0;i 8;i++)
{
x=(x 1);
dat=CY;
...[Details]
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Wearable devices are increasingly capable of everything from monitoring heart rate to measuring blood pressure, but if they are to become more common, they first need to be comfortable and durable. ...[Details]
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1. Program Analysis
1. Contains bus
Since our device is on the bus, we naturally need to include the bus
As shown in the figure, use external declaration to include the structu...[Details]
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Glass bottles and jars are easily subjected to vertical loads from the upper layer during filling, capping and stacking transportation. If the vertical load of the glass bottles and jars does not mee...[Details]
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The various controllers in new energy vehicles mainly include: vehicle control unit (VCU), engine control unit (ECU), motor control unit (MCU) and battery management system (BMS).
The th...[Details]
PCB Design
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