I have found many articles on the Internet, most of which are about compiling firefox source code in Windows or Linux under cywin, and most of them are from the Mozilla Firefox Chinese forum. Maybe I ...
Is there a function in C language to calculate two 16-bit hexadecimal numbers? For example: signed int aa=0x1111; signed int bb=0x6666; signed int cc; cc=abs(bb-aa); The data shows that abs is used to...
1. Introduction This article takes the SimpleBLEPeripheral project as an example and uses the over-the-air upgrade function. 2. Experimental platform protocol stack version: BLE-CC254x-1.4.0 Compiler ...
In the blink of an eye, 2021 is already mid-yearIn this midsummer season, watermelon, beer, crayfish, skewers... ...have become indispensable choices for summerAs the Dragon Boat Festival is approachi...
Dear gods~~ I am a mortal who has just entered the Tao and encountered many confusions. I would like to ask for your help:). Recently, when I was programming the serial port to implement ppp dialing, ...
In this article, the high-performance DSP developed by TI can be used as an effective confidentiality method if it is applied to PC encryption cards.
As an effective network security solution,...[Details]
1 Introduction
As an emerging microfabrication technology, micro-electromechanical system (MEMS) technology has begun to be applied in various fields. It can integrate functions such as inform...[Details]
Contact resistance
is the resistance to current flow through a closed pair of contacts. This type of measurement is performed on devices such as connectors,
relays
, and switches. The...[Details]
1 Introduction to HART Protocol
HART (Highway Addressable Remote Transducer), an open communication protocol for addressable remote sensor high-speed channels, was launched by Rosemen in the U...[Details]
Flooded Batteries
This battery developed in Germany can be used to power flashlights, strobe lights and toys as long as it is filled with water. This battery can be stored for 50 years and can...[Details]
Introduction
Liquid crystal, as a display device, is widely used in low-power products such as instruments, meters, and electronic equipment with its unique advantages. In the past, the displ...[Details]
In today's body control module (BCM) designs, savvy engineers are moving away from electromechanical relays whenever possible. Their next step is to eliminate fuses. But is eliminating fuses a nece...[Details]
0 Introduction
High-precision current source can provide high-precision current supply for precision instruments, and is suitable for automatic measurement tasks of various resistors in semico...[Details]
The DisplayPort interface standard is approved by the Video Electronics Standards Association (VESA) to provide an open, scalable standard for the entire industry. The development of DisplayPort ca...[Details]
Our flight had just begun to descend when a gentleman sitting next to me turned to talk to me about engineering—he had seen me reading an engineering journal. The gentleman next to me said that he ...[Details]
1 Introduction
With the rapid economic development, my country's electricity demand has been growing at a rate of more than 20% per year. According to the current economic development trend an...[Details]
1. The composition and structure of mobile phone lithium battery
Mobile phone lithium batteries are mainly composed of plastic shell upper and lower covers, lithium battery cells, protection c...[Details]
The automotive power electronics market has grown rapidly as comfort and active safety features become more common. As traditional mechanical functions shift to electronic applications, the demand ...[Details]
Direct digital frequency synthesis (DDS) has fast frequency switching and modulation capabilities and is widely used. However, when low power consumption and low cost are the main considerations, D...[Details]
1. Introduction
Stepper motor is a basic component that converts electrical energy into kinetic energy. It has been widely used in a variety of electromechanical equipment, such as various machine...[Details]