The company arranged to compile linphone 3.2.0! After compiling for many days, it finally passed, but no sound can be heard when connected to the PC, but there is a ringing sound when dialing! When I ...
The Wi-Fi Alliance is a commercial alliance of multiple companies and organizations. It not only brings us one of the most valuable technologies in the world, but also pushes wireless technology to a ...
[size=4]Good morning~ It's Monday again, it's time to review the highlights of the week~~ Let's take a look~~[/size] [size=4][color=#ff0000][b]Recommended wonderful posts:[/b][/color][/size] [size=4][...
Abstract This paper proposes a simulator for a certain type of UAV flight control system based on industrial control computers. It describes the system's functions and structural configuration in deta...
On December 27, Sohu Forum revealed a big news yesterday, saying that Beijing Netcom's ADSL 4M broadband will be launched tomorrow, with a monthly fee of 258 yuan/month and an annual discount price of...
[i=s] This post was last edited by wenzheng on 2015-1-29 16:34 [/i] This is the minimum system version of 5438A. Please help me find out the problems and make some improvements. Thank you. 12V power s...
With the promotion of the construction of intelligent communities in the country, anti-theft systems have become essential equipment for intelligent communities. Especially in recent years, the urg...[Details]
introduction
1 The significance of using RTOS on MSP430
It is understandable that it is meaningless to use RTOS on MSP430. Because the hardware resources of MSP430 are limited (for exampl...[Details]
1. Introduction
Since the 1980s, with the continuous development of automotive electronic technology, there are more and more electronic control units in automobiles, such as electronic fuel i...[Details]
All electronic design engineers and scientists have performed electrical signal analysis, or signal analysis for short. Through this basic measurement, they can gain insight into signal details and...[Details]
In recent years, lighting has become an important area that countries around the world are targeting to promote energy conservation and environmental protection. According to statistics, about 20% ...[Details]
1. Introduction
At present, most lighting equipment still uses traditional energy for lighting. Making full use of solar energy as the energy supply for lighting equipment is of great si...[Details]
Overview:
This paper introduces a method of connecting a CAN-bus network with Ethernet to form a medium-sized remote monitoring/data transmission network.
CAN (Controller Area Network) is ...[Details]
Many battery-powered systems require a visual indicator to show when the battery needs to be replaced. LEDs are commonly used for this purpose, but they consume at least 10mA of current. This con...[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]
We know that the inverter consists of two parts: the main circuit and the control circuit. Due to the nonlinearity of the main circuit (switching action), the inverter itself is a source of harmoni...[Details]
Abstract: The output of high-range acceleration sensor is less than 10 mV under the excitation of small signal. The noise of traditional test system may cover such small voltage signal, so that hig...[Details]
The TPS92210 is a single-stage LED lighting pulse width modulation (PWM) controller. The TRIAC dimmable solution not only regulates the LED current, but also achieves a power factor close to 1. The...[Details]
The serial interface real-time clock chip DS1302 launched by Dallas Company in the United States can trickle charge the backup battery of the clock chip. Due to the main features of the chip such a...[Details]
1 Introduction
Ultrasound refers to elastic vibration with a frequency higher than the audible frequency limit (i.e., in the frequency band above 20 kHz). The propagation process of this vib...[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]