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The multimeter is an indispensable test tool in electronic testing. All electronic products have potential dangers in use, so it is necessary to understand the safety of their use. Let's talk about t...[Details]
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1. Don't trust the internal IO pull-up and pull-down of stm32 too much. If necessary, connect pull-down resistors externally. 2. When using the JTAG IO port as a normal IO port, you must first disabl...[Details]
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introduction
There are many types of adapters on the market that can charge lithium-ion batteries and provide power for mobile phone systems. At the same time, since China has implemented ...[Details]
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My Journey into Embedded Linux mainly describes and summarizes each step I took in learning embedded Linux. First, it summarizes my experience, and second, it hopes to provide convenience for friends...[Details]
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The Nihon Keizai Shimbun reported that the Ministry of Finance and the Ministry of Economy, Trade and Industry will expand restrictions on foreign investment in the IT sector as early as 2019. Japan'...[Details]
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What is deep into the ear and what is shallow into the ear? There is no standard for this at present. My personal opinion is that all tubes + earmuffs are deep into the ear, and vice versa. (As shown ...[Details]
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The table above is called the "abnormal interrupt vector table". The IRQ and FIQ positions in the table are used to store the addresses of the interrupt processing functions. As for where to store the...[Details]
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Semiconductor light emitting diodes (LEDs) have many new problems in quality evaluation and detection methods due to their small size, directional light emission, high brightness, and PN junction e...[Details]
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0 Introduction
As a universal power source, the switching power supply is well known for its lightness, thinness, smallness and high efficiency. It is an indispensable power source for minia...[Details]
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Compared with linear power supplies, switching power supplies have many advantages: because the main power transistor works in a switching state, its loss is small and the overall efficiency is gre...[Details]
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According to foreign media reports, the Autonomous Vehicle Industry Association released a policy framework on March 1 outlining key priorities for federal autonomous vehicle legislation and regulati...[Details]
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Recently, Lian Yubo, executive vice president of BYD Group, said in an interview with CGTN host Lian Yingchun that Tesla is a very successful company, BYD respects and admires Tesla, and is also a go...[Details]
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1. Interrupt Enable Register IE
The CPU controls the opening or shielding of interrupt sources through the interrupt enable register IE. IE can be addressed by byte address (its byte address is A...[Details]
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I'm just writing about stm32. I'm learning stm32 recently. I'm writing something. Although it's simple, it's all original.
The development board was drawn by my senior, and it seemed to be used t...[Details]
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On December 18, Huawei released a statement on its official website on November 17, 2020, officially confirming the sale of Honor. Huawei said that the reason for selling Honor was mainly to allow Ho...[Details]