[size=5] Today (it was past midnight, so it should be yesterday) is the first anniversary of the establishment of Xinhangxian. In the first year, Xinhangxian has grown from nothing to something. The c...
There are many terms in PCB design. If you are not a professional PCB designer, even many beginners are confused about many of them. So, which terms are easy to get wrong? Here are some terms. You can...
I have been learning Arduino and Zigbee for the past two or three months. Now I can control the light switch with a mobile phone. Arduino + enc28j60 + cc2530 are used as gateways to wirelessly control...
I want to make a few wireless sensor nodes. I'm a newbie and I don't know if there is a dedicated chip that can detect the distance between two nodes. If so, please tell me the name of the chip. I'd b...
The power supply voltage of STM32 chip is generally 3.3V. Now the system provides 24V DC power externally.I need to convert 24V power to 3.3V, but I don't know which power supply is better?I initially...
Arduino UNO R3 development board microcontroller 2012 latest model MEGA328P ATMEGA16U2. I accidentally bought two of them. Now I have a new one that has not been disassembled. Who wants it? 30 yuan in...
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]
I. Introduction
In the field of power conversion, isolated converters (forward, flyback, and double-ended) with low output DC voltage all use MOSFET as the rectifier device. Since these devi...[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]
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]
Nippon Electric Works and Volvo Technology Japan have developed a wireless power supply system for electric vehicles (EVs). Using this system, the two companies have successfully conducted an exper...[Details]
12v Lead Acid batteries used in trucks, cars, RVs and uninterruptible power supplies are usually rated at 12V. This circuit monitors the battery, the charge and discharge curves, gives the cu...[Details]
introduction
Steam turbines are driven by high-temperature and high-pressure steam generated by boilers to run at high speed. They are key power equipment in thermal power plants. The emergenc...[Details]
0 Introduction
Wireless Sensor Network (WSN) monitors the target by deploying a large number of sensor nodes in the target area. WSN realizes the positioning and tracking of the target, determi...[Details]
1 Embedded Systems
Embedded System refers to a collection of computer hardware and software with specific functions or purposes, which is divided into embedded software system and embe...[Details]
1 Introduction to LED
With the development of science and technology, people have higher and higher requirements on automobile light sources. LED (Light Emitting Diode) has gradually attracted...[Details]
As the global LED market demand continues to increase, my country's LED industry will face huge opportunities in the future. However, the core LED technology and patents are basically monopolized b...[Details]
In recent years, with the increasing maturity of LED technology, LED light sources have been increasingly widely used due to their advantages of using low-voltage power supply, low energy consumpti...[Details]
Features
POE technology can ensure the safety of existing structured cabling while ensuring the normal operation of the existing network and minimizing costs. The IEEE 802.3af standard is ...[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]
FPGA/CPLD
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