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GPIO_Mode_AIN //Analog input, usually used as ADC, etc. GPIO_Mode_IN_FLOATING //Floating input can be used as a button GPIO_Mode_IPD //Pull-down input GPIO_Mode_IPU // Input GPIO_Mode_Out_OD //Ope...[Details]
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No matter I use ping command or tftp command, it shows CS8900 Ethernet chip not found?! I checked uboot1.1.6/include/configs/smdk6410.h, it is indeed configured to use CS8900 as the network card. Wh...[Details]
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0 Introduction
The traditional direct moisture measurement method has a long cycle and is difficult to meet the requirements of modern production for speed and continuity. The non-electric...[Details]
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Functional indicators
Compact, Low Cost, 5 V, Variable Gain Inverting Amplifier Using the AD5270/AD5272 Digital Rheostat and the AD8615 Op Amp
Circuit Description
The circuit...[Details]
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The immutability and uniqueness of fingerprints make fingerprint recognition technology the most widely used identity authentication. In recent years, with the development of the latest information...[Details]
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As the third generation lighting source, LED has the advantages of low operating voltage, low power consumption, high luminous efficiency and long life. LED is a nonlinear device. When LED is turne...[Details]
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On March 11, 2014, WPG Holdings, a leading electronic components distributor dedicated to the Asia-Pacific market, announced that its subsidiary Pinjia has launched an automotive high-power LED d...[Details]
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When I was reading the data sheet recently, I found that there are 8 types of GPIO configurations in Cortex-M3: (1) GPIO_Mode_AIN analog input (2) GPIO_Mode_IN_FLOATING floating input (3) GPIO_Mode_...[Details]
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introduction
In order to help users accurately grasp the various parameters of the operational amplifier in their hands, this paper provides a
measurement system
using a programmable...[Details]
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As the wireless communication environment becomes more and more complex, higher and higher requirements are placed on testing technology, especially simulation, semi-physical simulation, and software ...[Details]
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To talk about how popular GaN is, if you are a mobile phone manufacturer, you may be ridiculed as "outdated" if you don't launch a GaN fast charger. In the field of radio frequency, GaN is considered...[Details]
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Last week, Huawei officially released the Kirin 990 series chips at IFA2019. This series of chips includes Kirin 990 and Kirin 990 5G version. Regarding the latter, Li Nan, former senior vice preside...[Details]
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Before the official release on April 14, German media exposed the detailed appearance and configuration table of OnePlus 8 and OnePlus 8 Pro. The OnePlus 8 Pro has a 6.78-inch curved scree...[Details]
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The precautions for using the four parallel ports are summarized as follows:
1. If the microcontroller has program memory inside, there is no need to expand external memory and I/O interface, and all...[Details]
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On October 30, the world's highest altitude and largest installed capacity independent grid-connected energy storage power station - the 100MW/400MWh independent grid-connected energy storage proje...[Details]
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