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Photovoltaic inverter companies have long been involved in the "red ocean" competition, and the "531 incident" has paralyzed the photovoltaic industry. The energy storage market has become a field ...[Details]
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To study pointers, we must first have a deep understanding of the concept of memory address. For example: the entire memory is equivalent to a building with many rooms, each room has a room number, s...[Details]
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Wireless charging has developed rapidly in the past year. Nokia provides a variety of methods for wireless charging. Let's take a look at them today.
Nokia's new Lumia phones offer some new fe...[Details]
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How to control bldc without Hall
In the absence of Hall sensors, the BLDC motor can be controlled using the Sensorless BLDC Control method, which mainly determines the position and speed of th...[Details]
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Central topics:
Use an oscilloscope to measure the parameters of a switching power supply.
Optimizing the design of switching power supplies
Q1: The ripple of the output voltage of a swit...[Details]
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1. Working principle of brake unit
When the motor speed is greater than the output speed of the inverter due to inertia, the motor enters the power generation state from the electric state, an...[Details]
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The Semiconductor Industry Association (SIA) submitted documents to the U.S. Department of Commerce on April 5 in response to President Biden's executive order on securing critical U.S. supply chains...[Details]
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Central topics:
●Fuse circuit working conditions
●Fuse rated current and ambient temperature
●Fuse time-current characteristics
Solution:
●The fuse ra...[Details]
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Whether a medical device can play its maximum performance in a hospital is directly related to the technical performance of the machine itself, and also
has an extremely important relationship...[Details]
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//This subroutine is for 74HC595 to send characters. This program sends the lowest bit first!
//The clock pin of chip 74HC595 is pin 11
//The data pin of chip 74HC595 is pin 14
//The la...[Details]
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Oscilloscopes are very common in the use of electrical measuring instruments. An oscilloscope can be used to observe the waveform curves of various electrical signals as they change over time. On thi...[Details]
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1. What is the main purpose of the inverter?
The inverter is mainly composed of rectification (AC to DC), filtering, inversion (DC to AC), braking unit, drive unit, detection unit, microproces...[Details]
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1. Introduction to PIC microcontrollers PIC16C5X is a low-cost commercial microcontroller with internal program memory (0.5~~2K), working registers (32~~80), 33 streamlined instructions, internal wa...[Details]
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When testing the aging of LED power supplies, a resistive load is generally used for aging testing. However, for resistive loads, sometimes the power supply cannot be started, and sometimes the outpu...[Details]
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CAN bus (Controller Area Network) is a communication protocol used in automobile and industrial control systems. It has high reliability, real-time and flexibility, so it has been widely used in ma...[Details]
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