I built a bandgap circuit at school according to the structure of a foreign chip, but the simulation found that the load capacity is not good; and I have to add capacitors to sacrifice bandwidth to co...
The ATMegaZero ESP32-S2 is an ESP32 development board that looks just like the Raspberry Pi Zero, which means the shape and 40-pin GPIO interface are the same as the Pi Zero, and the same accessories ...
I would like to ask, how to choose the capacitance of the filter capacitor after the diode full-wave rectifier? The power supply voltage is 4000V, the current is 30A, and the frequency is 400Hz. I hav...
As smartphone screens become larger, resolutions become higher, and mobile phone performance becomes stronger, the battery life of mobile phones has become the object of many people's complaints. When...
PLC (Programmable Logic Controller) is widely used to realize automation control and can read analog signals of various field devices. Analog signals are signals that reflect the numerical values ...[Details]
Sensor nodes can continuously collect data, detect events, identify events, monitor locations, and control nodes. These characteristics of sensor nodes and wireless connection methods make the app...[Details]
On April 19, Wang Yunpeng, Vice President of Baidu Group and President of the Intelligent Driving Business Group, issued a letter to all employees on the seventh anniversary of the establishment of...[Details]
It was previously rumored that Xiaomi’s annual new product launch conference was scheduled for December 16 (Thursday), but the latest revelations gave a new clue about December 12. Although D...[Details]
With the rise of more and more domestic chip design companies and terminal manufacturers joining the chip manufacturing army, the domestic IP industry is welcoming a rare opportunity. However, having...[Details]
Q1: I need Vcc1=-4; Vcc2=12; Vcc3=3.3; Vcc4=5 to supply power in sequence. All
power supplies
need to be from 5V, 3A power supply, using dcdc conversion. How to implement this solu...[Details]
LED is short for light emitting diode. Due to its many advantages such as environmental protection, long life, high photoelectric efficiency (the current luminous efficiency has reached 100LM/W), and...[Details]
According to foreign media SamMobile, Samsung's next-generation flagship Galaxy S21 is already in testing. And the well-known Samsung blogger Bing Yuzhou said that the S21 may be equipped with u...[Details]
introduction Power Line Communication (PLC) is a communication technology that sends data over existing power cables. The technology uses half-duplex to transmit power and data between PLC nodes....[Details]
Electromagnetic flowmeters (EMF for short) are new flow measurement instruments that developed rapidly in the 1950s and 1960s with the development of electronic technology. Electromagnetic flowmeters...[Details]
Environment: AT91sam9x25, development board operating system: debian, redhat installed in vmware workstation. Step 1: minicom configuration 1. The PC and the development board serial port must be c...[Details]
LEDs are increasingly used to generate light in electrical products, for example, in LCD TV backlight applications, LEDs have replaced traditional cold cathode fluorescent lamps (CCFLs). In indust...[Details]
1. How to choose a current probe There are many types of clamp-on current probes available on the market, and there are many models for each type. So how should we choose? We should choose the most s...[Details]
Two-wire V/I converter
The V/I converter is a circuit that can control the output current with a voltage signal. The difference between the two-wire V/I converter and the general V/I converter...[Details]
Electric vehicle battery fires are not uncommon. Although statistically less likely than internal combustion engine vehicles, when a battery fire occurs, it can continue to burn for hours or even d...[Details]
Analog electronics
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