[b][size=4]Several practical DC switching power supply protection circuits[/size][/b][size=4][color=rgb(42, 42, 42)][font=宋体]The relationship between power electronic equipment and people's work and l...
I’ve been working on a signal acquisition system recently. Because the signal is so small, the power frequency interference is quite obvious, so I wanted to make a notch filter to remove the interfere...
I want to control the on/off of 5V voltage (S->D) through FDW262P MOSFET, and the G pin is GPIO3.3V. But I found that when S=5V, the MOSFET has been broken down, and the D pin is always 5V. However, w...
[i=s]This post was last edited by fesns on 2015-12-15 19:53[/i] Brand new STM32F103RBT6 stepper motor driver board. Free stepper motor driver STM32F103RBT6 + 6-axis stepper motor + driver L6205 Maximu...
[i=s]This post was last edited by sylar^z on 2022-10-28 22:17[/i]While browsing EE, I happened to find that eeworld and MPS had cooperated to launch a welfare event, so I decided to participate.
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Excuse me, have you ever played with the msp430g2231 board before? It uses the clock to generate a square wave and displays it on the oscilloscope. The signal line is connected to the GND line. I rece...
Microchip's PIC18F46J50 is a low-power, high-performance 8-bit USB microcontroller (MCU) using nanoWatt XLP technology. The current in deep sleep mode can be as low as 13nA, the operating voltage i...[Details]
Two simple circuits are implemented to drive two LEDs from a battery powered microprocessor.
This design is based on a circuit that uses three resistors and a microprocessor I/O pin as an input h...[Details]
Battery life is critical for portable applications. For applications such as smoke detectors, security devices, and thermostats, factory-installed batteries need to last for more than 10 years. The...[Details]
This paper establishes a fuel cell engine test platform based on the NI integrated hardware and software environment. This platform can realize the test and control of fuel cell engines and their a...[Details]
Microcalorimetry
is used to determine energy relationships. Microcalorimetry techniques are often required when performing calorimetric experiments with small sample sizes or slow heating rat...[Details]
Vertical cavity surface emitting lasers (VCSELs) are gradually replacing traditional edge emitting lasers, especially in low bandwidth and short-distance communication systems where cost factors ar...[Details]
VP2188 is a color STN LCD module produced by Jingdian Pengyuan. This module is a dot matrix transmissive color STN display screen with a color scale of 65 k colors and white LED backlight. Its core...[Details]
OC faults may be the most frequent and the most frequent of all faults in the inverter. They alarm during the startup process, during the shutdown process, during operation, and even when powered o...[Details]
Preface
In recent years, white light LEDs have gradually replaced incandescent bulbs and fluorescent lamps because they have unparalleled advantages over traditional light sources in terms...[Details]
introduction
At present, measuring instruments are developing towards networking, and each individual embedded instrument will become a node on the Internet. This system realizes the network...[Details]
0 Introduction
With the rapid development of social economy and science and technology, electric locomotives, subways and electric vehicles will be widely used. The power conversion and cont...[Details]
0 Introduction
Ultrasonic waves
are mechanical waves with a frequency of more than 20KHz, and the propagation speed in the air is about 340 m/s (at 20°C). Ultrasonic waves can be gene...[Details]
The power supply is the core component of a computer. Although it is not of high value, all computer components rely on the switching power adapter to provide energy, so the stability of a power su...[Details]
The power consumption of a switching power supply includes fixed losses caused by parasitic resistances such as semiconductor switches, magnetic components, and wiring, as well as switching losses ...[Details]
0 Introduction
With the rapid development of modern power electronics technology, various power electronic devices have been widely used in various fields such as power systems, industry, an...[Details]
Analogue and Mixed Signal
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