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In previous development, we had to use two USB host ports on the 2440, one for the camera and one for the wireless network card. However, the Friendly Arm mini2440 board only has one USB host port. We...[Details]
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Recently, the Guangzhou Intellectual Property Court ruled that u-blox should immediately stop infringing on Taidou Microelectronics' invention patent rights in a lawsuit filed by Taidou Microelectron...[Details]
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Why do we need to find the zero position when starting a synchronous motor?
When starting a synchronous motor, it is necessary to find the zero phase position of the motor. This is because the...[Details]
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Before
RF testing
can be performed, the DC operating conditions of these devices must be tested. For diodes, this includes forward voltage drop, feedback breakdown voltage, and junction l...[Details]
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According to foreign media reports, Waymo's self-driving cars use computer vision technology and artificial intelligence to identify the surrounding environment and make real-time decisions on how th...[Details]
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This article mainly explains the application of non-isolated circuits in LED driver power supplies. Compared with others, the Buck PFC method can work at full voltage. The LED constant current accu...[Details]
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According to the Nanjing Development and Reform Commission, in 2021, 183 large-scale enterprises in Nanjing's integrated circuit industry (155 in IC design, 2 in wafer manufacturing, 8 in packaging a...[Details]
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1. Introduction In recent years, under the guidance of the national policy of "informatization drives industrialization" and "energy conservation, emission reduction and low-carbon economy", the pac...[Details]
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Those who have just started to use nRF24L01 may notice that there are two defined addresses in the routine function. const u8 TX_ADDRESS ={0x34,0x43,0x10,0x10,0x01}; //Send address const u8 RX_AD...[Details]
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The band edge of wireless communication products usually refers to the clutter signal of 1MHz around the edge of the entire frequency band. The energy in this frequency band is not fixed, and the ...[Details]
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eDMA is the abbreviation of enhanced Direct Memory Access. It is an important technology for fast data exchange. It has the background batch data transmission capability independent of the CPU and can...[Details]
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As a clean, efficient and convenient secondary energy source, electricity is increasingly used in economic production. The proportion of electricity in terminal energy and the proportion of power g...[Details]
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OnePlus recently released the OnePlus 9 series of mobile phones overseas. According to the release timeline, OnePlus is expected to launch the more powerful OnePlus 9T series in the second half of th...[Details]
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The MCU uses the serial port in interrupt or query mode, which is determined according to the actual application needs, and there is no good/bad distinction. Sometimes the reason why the query mode i...[Details]
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Three-phase inverters are usually designed to drive three-phase motors, but sometimes you may need to use them for two-phase motors. However, this application is not common because the operating pr...[Details]
Analog electronics
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