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In the latest iOS developer beta, a bug that caused the Apple Music app to install directly to the Dock when downloaded from the App Store has been fixed. The accidental vulnerability appeared earl...[Details]
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I encountered many problems and gained a lot through the one-year study of 430. The following are some of the problems I encountered during the study and their solutions. There are still many things t...[Details]
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1. What is
the junction temperature of
LED
?
The basic structure of LED is a P-N junction of a
semiconductor
. Experiments show that when current flows through an LED
...[Details]
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Pinecone Electronics transformed into Xiaomi Pinecone Electronics. According to information from Qichacha, the business name of Beijing Songguo Electronics Co., Ltd. has changed and is now renamed Be...[Details]
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Recently, market research firm Wood Mackenzie released data showing that in 2019, the global photovoltaic inverter and module-level power electronics market size exceeded US$9 billion for the first...[Details]
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1. Correct GPIO settings
GPIO_InitTypeDef GPIO_InitStructure;
/* Enable GPIOD clock */
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOD, ENABLE);
/* Configure PD.03, PC.04, as input floating */
GPIO_In...[Details]
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As products become more complex, the requirements for measurement accuracy and reliability are also rising. Due to space limitations, I will use this article in three parts to introduce the correct w...[Details]
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Introduction
This KWIK (Know-How and Knowledge Integration) circuit application note provides a step-by-step guide to solving specific design challenges. Given a set of application...[Details]
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SK Hynix announced that it will mass-produce the world's first 128-layer 1Tb (Terabit) TLC 4D NAND flash memory and plans to start sales in the second half of the year. This is the first time SK Hy...[Details]
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The measurement method is the same as that of the AC voltage amplitude, and the reading is: T = t/div×number of grids. t/div is the time indicated by each grid in the horizontal direction. If the hor...[Details]
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Recent innovations in the technology industry for wireless charging of electric vehicles may finally free these new energy vehicles from the constraints of heavy battery modules. Recently, Tesla, a...[Details]
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This article explains the effects of DC bias
supplies
on operational amplifiers (op amps) used in sensitive analog applications. It also covers power supply sequencing and the effects of DC...[Details]
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1 Natural air cooling and forced air cooling
In the actual design of switching power supplies, two forms of cooling are usually used: natural air cooling and fan forced air cooling. When insta...[Details]
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Absolute value amplifier schematic
Figure Schematic diagram of absolute value amplifier
Due to the different directions of charge and discharge currents, an absolute value amplifier is used, w...[Details]
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As cars have evolved from fuel vehicles to electric vehicles, the power and transmission systems have been greatly simplified. Since the battery can be placed flat on the bottom of the vehicle, the...[Details]
Training Edition
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