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1. The unit of magnetic beads is ohm, not hunter, so you should pay special attention to this. Because the unit of magnetic beads is nominal according to the impedance it produces at a certain frequen...[Details]
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1. The difference between ARM-Linux application development and MCU development Here we need to make an explanation. There are two main ways to develop ARM applications: one is to develop applicati...[Details]
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Configuration method of using printf to send data in STM32 serial communication (development environment Keil RVMDK) It is very convenient to use printf to send data in the STM32 serial communica...[Details]
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Yesterday, Xiaomi Group Vice President, China President, and Redmi Brand General Manager began to prepare for the promotion of the new generation of Redmi flagship series K40 series. For examp...[Details]
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There are many brands of UPS products in the market , with uneven product quality and chaotic competition. Especially for mid- and low-end products, end users do not have a deep understanding of UP...[Details]
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On the afternoon of April 27, Xiaomi held an online press conference to officially launch the Xiaomi 10 Youth Edition mobile phone and MIUI 12 system. Among them, the MIUI 12 system has a large...[Details]
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According to foreign media reports, Foxconn expects that their wafer factory focusing on automotive chips and next-generation semiconductors will be put into production in 2023. Foreign media repor...[Details]
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"In the post-epidemic era, intelligent robots will be widely integrated and applied in all walks of life"
Yesterday, the 3-day 2022# National Hospital Construction Conference (CHCC2022)# came ...[Details]
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According to the type of DC power supply: voltage source inverter VSI, current source inverter CSI
According to the nature of the output AC voltage: CVCF (constant frequency constant volta...[Details]
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In 2019, Huawei released the 1.0 version of HarmonyOS. It was first launched in Huawei's (or Honor) smart screen series products. A year later, HarmonyOS 2.0 was launched. This time, products equippe...[Details]
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On May 23, Haitong Securities released a summary report on the guidance work for Shanghai Xinlong Semiconductor Technology Co., Ltd. (referred to as "Xinlong Technology"). It was disclosed that Xinlo...[Details]
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When compiling the following code: STACK_TOP EQU 0x20002000 AREA Reset,CODE,READONLY DCD 0x20002000 DCD Start ENTRY ; CODE16 Start ldr r2,=Tes...[Details]
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With the rapid development of cities, bus routes are adjusted from time to time, station names are also changing, and on-board advertisements are becoming more and more important to businesses. The...[Details]
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The level control probe can accurately generate the required signal power and can be used for the measurement of instruments such as spectrum analyzers and receivers, as well as for applications such...[Details]
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DC-DC Converters The topic of DC-DC converter immunity will be discussed in detail here , but first a brief discussion of DC-DC converters. Since the birth of electronics, there has been an old sayi...[Details]