How can I detect whether there is 220V input with the lowest power consumption?
Assuming that an optocoupler is used to detect 5V1MA, it is only 0.005W. However, if an optocoupler is used to detect 22...
[list] [*][align=left][color=rgb(85, 85, 85)][font="][size=4]TI K2 series heterogeneous SoC has a variety of chips for customers to choose from according to performance and application areas:[/size][/...
Everyone, please vote. It seems that verilog is generally used in foreign countries, but many people in China used VHDL before. Please vote first. I use verilog, which is more like C, so it is easy to...
The following is translated from: https://blog.adafruit.com/2021/01/01/where-should-circuitpython-go-in-2021-circuitpython2021-circuitpython/As we head into 2021, let's take a moment to share our goal...
[i=s]This post was last edited by usonix on 2019-11-3 23:35[/i]The effect is still there
Continuously optimizing
Later, we will DIY the industrial module of the ultrasonic series...
Walking in the streets and alleys, have you noticed that the lamp poles that used to only provide lighting have been equipped with several "small iron boxes", high-definition LED screens, and high-de...[Details]
Challenges facing the industry
● Energy saving of appliances themselves
In the next few years, the number of CRT color TVs worldwide is expected to remain flat, while the digita...[Details]
Leifeng.com: Can conversation transcription be done in real time? And it also supports multi-person and far-field voice transcription? Yes, these new transcription features are new advances made by M...[Details]
So far, relatively many parameters of the iPhone 14 series have been exposed, and this series is likely to be divided into two versions, one is the iPhone 14 series based on A15; the other is the iPh...[Details]
In recent months, there have been a number of worrying reports of Airbnb hosts installing hidden cameras in their properties without disclosing them to guests. Back in January, CNN reported on a C...[Details]
I. Introduction Recently I was learning Wei Dongshan’s JZ2440 development board, so I recorded notes during the learning process. Generally, the first example of programming is to print "Hello World"...[Details]
①PG: programming resources, only one PC is allowed to be connected;
②HMI: Touch screen connection resources, one touch screen device can occupy multiple resources;
❸GET/PUT: S7 communicat...[Details]
In the process of the automotive industry's transformation towards intelligence, the development model of automobiles, consumers' perception of automobiles, and the business model of automobile sal...[Details]
Toshiba Mitsubishi-Electric Industrial Systems (TMEIC), a large-scale photovoltaic inverter (PCS) manufacturer, announced on August 22 that it had received an order for salt- and alkali-resistant P...[Details]
For modern electronic systems, due to their complexity, ripple noise is not limited to AC-DC, but also DC-DC. The existence of ripple and noise can cause many hazards and affect the normal operation ...[Details]
China Radio and Television, the full name of which is China Radio and Television Network Co., Ltd., is responsible for the relevant business of cable television networks across the country. Chi...[Details]
"Coexistence and win-win" is the business philosophy shared by OPPO founder and CEO Chen Mingyong at the Future Technology Conference at the end of last year. Just one month after the outbreak of the...[Details]
What is a digital oscilloscope? Digital oscilloscopes are high-performance oscilloscopes made with a series of technologies such as data acquisition, A/D conversion, and software programming. Digital...[Details]
The function of the I/O interface is to connect the I/O circuit and peripheral devices through the system bus of the CPU. According to the complexity of the circuit and the device, the hardware of ...[Details]
introduction
The rapid development of the electric power industry is driving the world to strengthen the transmission and distribution of existing power grids and build new substations. The ad...[Details]
PCB Design
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