The Internet of Things communication protocols can be roughly divided into two categories, one is the access protocol and the other is the communication protocol. The access protocol is generally resp...
Last time I shared a local clock, but my friend thought it was not fashionable, so after thinking about it, I decided to make a world clock to support the scene, which can be regarded as a small expan...
[size=4][b]1.PS63020 has voltage drop problem with 4 ohm load, input 5V voltage, no-load output 3.3V. With 4 ohm load, it sometimes works normally, and sometimes drops to about 1.9V. [/b] [/size][size...
I saw the program on the Internet. I happened to use some of the sub-functions in it. I think it is pretty good. I will share it with you for reference. I hope it will be helpful to friends like me.
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Honor mobile phone has launched the latest magic UI6.0 version, which is customized based on the Android system and has given a huge shock to the domestic mobile phone industry. Because Honor mobile ...[Details]
Huawei, Xiaomi and vivo, as giants of domestic mobile phone manufacturers, always attract a lot of attention and hot spots every time they release their own flagship new phones. Today I will talk to ...[Details]
Measurement method for three-phase motor: Set the digital multimeter to the 200Ω position and measure the three-phase power lines on the motor in pairs. If the resistance values measured three time...[Details]
Windows 11 is expected to launch worldwide later this year, but Microsoft has revealed some interesting information about the update cycle of its new operating system version ahead of the official re...[Details]
Efficiency droop is the main reason that has prevented GaN-based LEDs from making great strides in high current density, an important emerging application area. But researchers at RPI say this shor...[Details]
According to Bloomberg, Samsung Electronics is considering investing more than $10 billion to build its most advanced logic chip manufacturing plant in the United States. Samsung Electronics hopes to...[Details]
1. Characteristics of diodes The most important characteristic of diodes is unidirectional conductivity. Its volt-ampere characteristic curve is shown in Figure 1: 1. Forward characteristics When...[Details]
Semiconductor laser
refers to a laser that uses semiconductor materials as working materials. Its driving methods mainly include PN junction injection. The commonly used and mature semicond...[Details]
Texas Instruments (TI) announced a high-power multi-topology DC/DC LED driver with adjustable switching frequency and current sensing threshold, high design flexibility and low electromagnetic in...[Details]
Application fields of acoustic emission technology
At present, people have widely applied acoustic emission technology in many fields, mainly including the following aspects: (1) Petrochem...[Details]
Abstract:
This paper mainly describes the design of the intelligent system of medical microwave therapeutic apparatus. The composition principle and function of microwave therapeutic apparatu...[Details]
Zos Automotive Research released the "2019-2020 Global and China L4 Autonomous Driving Industry Research Report". The development of L4 autonomous driving has encountered great obstacles in the past ...[Details]
There are many types of microcontrollers, and many manufacturers have launched their own MCUs. Among the many brands of microcontrollers, I prefer the MSP430 and AVR series. The following is a PK a...[Details]
Photovoltaic Headlines (WeChat ID: PV-2005) learned that on November 1, the Kunming Municipal Development and Reform Commission issued a notice on the issuance of the Interim Measures for Regulatin...[Details]
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