For example, if the resistance of an LED is 4K, the current is 5mA, and the voltage is 24V, then the resistance power is 0.1W. I usually use 0805, which is 0.125W. What does the safety resistance in t...
[Preface] I have read the works of several great guys, and I would like to especially thank @DDZZ669 and @sonicfirr and others for their works.The first element of the project I participated in was to...
A simple time-sharing processing system can be realized by using state machine + time slice, but how to divide the modules and what is the best time slice? With this question, I searched for informati...
I would like to ask: After adding a product to the ONENET platform, when adding a device, the automatic subscription option is, does it mean that the device side subscribes to the messages on the ONEN...
Hikvision recently announced that it will expand the company's industrial chain. Hikvision issued an announcement stating that the company plans to jointly invest with China Electronics Fund, China...[Details]
In many modern applications, embedded systems must meet extremely demanding timing requirements. One of these requirements is boot time, which is the time it takes for an electronic system to enter an...[Details]
With the continuous emergence of market demand, display technology has undergone tremendous changes in the past thirty years or so. Now that OLED products have gradually become popular, what will be ...[Details]
Murata Manufacturing Co., Ltd. announced on June 22 that it has developed a 1kW "mini inverter" (compact photovoltaic inverter: PCS) for photovoltaic power generation.
The conversion efficie...[Details]
When it comes to waveform algorithms, it is easy to think of the mathematical operation function "math" in the oscilloscope, which can implement dozens of algorithms to fully meet application needs. ...[Details]
//Use the LED digital display to display the numbers 0~9 in a loop
#include //Header file containing the definition of 51 MCU registers
/**************************************************
Function:...[Details]
On December 5, First Electric Network learned from foreign media that BMW's sixth-generation Gen6 lithium-ion battery pack will likely be unveiled together with the new Neue Klasse platform at CES (In...[Details]
In today's highly competitive environment, having an excellent product or service does not mean true success, and the customer experience in the purchase process is more important than ever. As the b...[Details]
Before using the timer/counter, you need to set its working mode through the timer/counter control word. There are two special function registers related to timing/counting in the microcontroller, wh...[Details]
The fierce and rapid battle to clear the inventory of fuel trucks is beyond the imagination of ordinary people. After Dongfeng Citroen and the Hubei Provincial Government launched the first shot to c...[Details]
This article will discuss various power topologies, especially the pros and cons of converting Li-Ion battery voltage to a 3.3V rail, the supply voltage for most portable devices. It will also desc...[Details]
Recently, foreign media reported that Huawei plans to become one of the top five PC manufacturers in the world by 2021. If this news is accurate, it means that 2019 and 2020 will be an important part...[Details]
On the morning of May 20, the Twitter account L0vetodream released a photo, which was said to be a photo of the motherboard of iPhone 12 or iPhone 12 Pro. The L-shaped motherboard doesn't of...[Details]
China introduced high-speed rail in 2008, and by the end of 2014 the network had grown to 16,000 km. It is the largest high-speed rail network in the world, carrying 2-3 million passengers per day. T...[Details]
introduction
Radar life detectors are detection systems that obtain micro-motion information of life forms behind opaque obstacles such as walls and ruins in a non-contact manner. The basi...[Details]
Power technology
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