[p=25, null, left][color=rgb(51, 51, 51)][font=微软雅黑]For RF engineers, with the advent of 5G and the increase in spectrum, the design challenges they face are also growing. For this reason, efficient t...
@jszszzy encountered the following when evaluating the Anxinke PB-02-Kit:
奉加微手册不完整，很多API都不知道是干什么的能不能提供完整的API手册？我甚至都不知道NVIC向量表中都是哪些中断，c文件都没有注释（我已经下载了官网的应用手册但内容并不完整），第二是SDK中有一层抽象类操作系统OSAL，这个有没有具体的介绍？第三如...
I would like to ask, for example, the energy metering chip ADE7755, its voltage sampling and current sampling are both converted into small signals through a transformer (such as 220V/10mA) in the for...
Optical communication applications often need to boost the +3.3V input power supply to obtain a set of positive and negative voltages, such as +/-20V. The common practice is to use two chips to genera...
Recently, the comments made by netizen "Shenzhen Xiaohua" on the forum have attracted the attention and discussion of many netizens.During the posting process, the netizen "Shenzhen Xiaohua" made "ver...
Today, Lei Jun announced in Xiaomi's annual speech that Xiaomi surpassed Apple to rank second in the world in the second quarter of this year, and announced Xiaomi's new goal: to become the world's n...[Details]
1. Overview
In modern measurement and control systems, we often use the development and control mode of the host computer and the slave computer. The slave computer is mainly used to collect da...[Details]
ARM's 8 instruction suffixes: ia (increase after) is transmitted first, then address + 4 ib (increase before) first address +4, then transmit da (decrease after) first transmit, then address -4 db (d...[Details]
Stratasys Ltd., a global leader in 3D printing and additive manufacturing, and MakerBot, a leader in desktop 3D printing, today signed a definitive merger agreement and announced that MakerBot will m...[Details]
Noise-free power supplies are not designed by accident. A good power supply layout is designed to minimize experimentation time. Minutes or even hours spent carefully reviewing the power supply lay...[Details]
After the wrong operation, the chip will be locked and cannot be burned, as shown below: The solution is to use the STM32 ST-LINK Utility tool to unlock the chip: First connect the device and ...[Details]
Modern vector signal sources generally have the function of generating arbitrary waveforms, which can cover most applications in the fields of wireless communication, wireless interconnection, and pul...[Details]
Looking back at the beginning of my study of power supplies, I learned a lot about Buck , Boost , Flyback, Half-bridge, Phase-shifted Full-bridge, LLC, etc. I stepped out of the confusion an...[Details]
ActLight, a Swiss technology company renowned for its best-in-class signal-to-noise ratio photodiodes, today announced that the continued development of its patented low-voltage single-photon sensit...[Details]
There is no news on May 13th, but security researcher Fabian Bräunlein published a blog post today showing how Apple's Find My network can be used as a transport for other data. The working...[Details]
When the suspension shaft is slightly disturbed during rotation, it will produce tiny unstable vibrations, which will affect the normal motion state of the suspension shaft. Therefore, it is extremely...[Details]
Matrix keyboard recognition method (row scanning method) Check the status of the column line: The column lines Y4~Y7 are set to high level, and the row lines Y0~Y3 are set to low level. As long as...[Details]
Recently, NVIDIA officially launched the RTX 40 series graphics cards, along with the new DLSS 3 super-sampling technology. According to the introduction on NVIDIA's official website, DLSS 3 only sup...[Details]
introduction Outdoor Bluetooth speakers with a power of more than 10W use multi-cell lithium batteries and lead-acid batteries as the power supply. In order to overcome the insufficient output powe...[Details]
Mitsubishi PLC (Programmable Logic Controller) is a control device widely used in the field of industrial automation. It controls various mechanical equipment through programming and has the charac...[Details]
RF/Wirelessly
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