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Recently, I have been in contact with several technical engineer friends who have found many interesting problems in the selection of filters. I found that the water is most dangerous in calm place...[Details]
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1 Introduction
At present, the research level of semiconductor integrated circuits at home and abroad has basically acquired the ability to integrate some complex electromechanical systems...[Details]
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Abstract: This paper introduces the working principle of the large-capacity lithium battery pack management system with ISL9208 as the core, and gives the method of using ISL9208 to detect the volt...[Details]
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History of Message Queuing Telemetry Transport (MQTT)
MQTT was developed by Andy Stanford-Clark with IBM and Arlen Nipper in 1999 to connect measurement equipment on oil pipelines to...[Details]
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"At present, a standardized business model for distributed photovoltaics has not yet been formed, and the market is in chaos. However, once the business model is solidified and more companies enter...[Details]
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The most effective way to solder SMDs is drag soldering. If you are familiar with drag soldering, you can basically use a soldering iron + rosin to complete the soldering of all SMDs.
Before weldin...[Details]
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The 5-1/2-digit display model 6485 picoammeter incorporates Keithley's technical advantages in sensitive current measuring instruments and has improved measurement speed and durability. This economic...[Details]
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8 addressing modes Register addressing mov r1,r2 Immediate addressing mov r#0xFF00 Register shift addressing mov r0,r1,lsl #3 Register indirect addressing ldr r1, Base address index addressing ldr...[Details]
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With the development of technology, the operating frequency of computer CPU is getting higher and higher, and its information processing ability and various functions are getting stronger and stron...[Details]
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Apple unveiled the “Car Key Digital Car Key” feature at the WWDC 2020 Global Developers Conference and revealed that BMW cars will be the first to support this feature. After the Apple conference,...[Details]
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Tang Jun, General Manager of Anhui Hefei Power Supply Company
Focusing on the strategic goal of "three types and two networks, world-class" of State Grid Corporation of China, Anhui Hefei Powe...[Details]
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An oscilloscope probe is a delicate instrument that must be used with caution. If it fails, it is irreversible. So how to use an oscilloscope probe correctly? Here's how to use an oscilloscope prob...[Details]
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Basic circuit of load switch Power MOSFET is a device with good switching characteristics: its on-resistance RDS(ON) is very small when it is turned on; its leakage current IDSS is very small wh...[Details]
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Pin definition and setting code:
///////////////////////DS1302 pin definition ////////////////////////////////
#define SCLK GPIO_Pin_7 //PE7 DS1302 SCLK pin definition
#define I_O GPIO_Pin_8 //...[Details]
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Electric vehicle battery fires are not uncommon. Although statistically less likely than internal combustion engine vehicles, when a battery fire occurs, it can continue to burn for hours or even d...[Details]