[p=26, null, left][color=rgb(79, 79, 79)][size=4]1. RF technology revolutionizes the logistics industry Imagine that there is a God watching the activities in the warehouse. Whenever a piece of goods ...
[p=20, null, left][color=#333333][font=Arial, 宋体]The 2015 Electronics Contest has been released, and I would like to share some information for your reference. [/font][/color][/p][p=20, null, left][co...
The Blackboard is a circuit board with 24 capacitive touch pads, 9 customizable LEDs and a Raspberry Pi Pico.The new HID functionality is fully customizable and can use 24 buttons and 9 LEDs at the sa...
The design of analog circuits is the most troublesome but also the most fatal design part for engineers. Although the development of digital circuits and large-scale integrated circuits is very rapid,...
The paper introduces the structure and technical characteristics of embedded systems, focuses on the technical characteristics of two embedded operating systems, and discusses the key technical issues...
As IoT solutions gain popularity in the global consumer market, smart speakers are becoming an important part of home consumer electronics. Smart speakers now generally feature on-demand virtual assis...
In early 2002, I started to write a working program for an IC card prepaid electricity meter. The meter used Philips' 8-bit 51-expanded single-chip microcomputer
87LPC764
, and wa...[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]
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]
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]
The rectified DC voltage is then converted back to AC using power electronics such as insulated gate bipolar transistors.
The output voltage is switched on and off at a high frequency, control...[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]
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]
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]
When developing electronic products with processors, how to improve anti-interference ability and electromagnetic compatibility?
1. The following systems should pay special attention to anti-...[Details]
Current
measurement:
Magnetic balance Hall current
sensor
is used
. The sensor can measure AC from DC to 100kHz.
In automatic measurement and control systems, it is often nec...[Details]
In the development direction of the automotive industry, electric vehicles (EV) and hybrid electric vehicles (HEV) are becoming an obvious trend. From a technical point of view, hybrid power is mor...[Details]
1 Overview
As a driving power source, the new battery has a range of more than 200 km within the acceptable weight range of the mass market, which provides an important way for power batteries...[Details]
Li/SOCl2 batteries (lithium sub-cells) have the advantages of high operating voltage, stable discharge voltage, wide operating temperature range and long storage life, and have been widely used in ...[Details]
With the rapid development of the IT industry, the demand for small DC cooling fans with PWM control (hereinafter referred to as fans) used in electronic products is increasing. This type of DC fan...[Details]
As the automobile consumer market heats up, the safety performance of automobiles has attracted more attention from consumers. When driving at high speed, tire failure is the most worrying and diff...[Details]
RF/Wirelessly
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