I'm learning about Zigbee CC2530 positioning recently. I only need rough positioning, and I only have a few modules. The topology structure is Mesh network. The current idea is that a coordinator is p...
When I click Run in AVR Studio, it keeps saying Could not connect to JTAG ICE on USB or port COM1 to COM4. The screenshot is as follows: [img]C:\Documents and Settings\Administrator\Desktop\1.JPG[/img...
The eZ430-RF2500-SEH development kit is used to build a sensor network system based on MSP430.The Solar Development Kit has the following features:1. Equipped with efficient solar energy collection mo...
As shown in the figure, the three red components in the schematic diagram of the product on the right are not included in the reference circuit. What are the functions of these components? How to sele...
[font=楷体_GB2312][size=3]Classic Questions and Answers on Amplifier Knowledge (Part 1) [b]1. What is [url=http://www.analog.eet-china.com/SEARCH/ART/%BF%AA%BB%B7%B5%E7%D1%B9%D4%F6%D2%E6.HTM][color=#000...
[color=#333333][font=Arial][size=14px][font=tahoma,]Schneider APC power strip PC63-CN 6-position power strip with lightning protection, power purification, surge resistance, self-recovery thermal insu...
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]
1 Introduction
The high temperature tester is mainly used for temperature tracking measurement and data acquisition during the heating process. By systematically analyzing the test data, the...[Details]
Today, with the increasing integration of functions, mobile phones can also be used as portable media players (PMP), digital cameras, handheld computers (PDAs), and even global positioning systems ...[Details]
introduction
Throughout the history of automotive lighting, power has always played an important role. Initially, cars only needed headlights to see the road in the dark. Later, other light so...[Details]
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]
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]
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]
I've been studying dot matrix recently. It looks simple, but it takes a while to master it completely! The 8*8 dot matrix hardware circuit I'm making now is like this. The row is driven by 74HC138 + t...[Details]
Today, with energy becoming increasingly scarce, the utilization of natural energy has become the focus of people's attention. Among various natural energies, the endless solar energy is highly fav...[Details]
Introduction
Nowadays, people pay more and more attention to the security alarm system, and people have higher and higher requirements for the functions and performance of the alarm. This paper prop...[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. 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 future energy storage hotspot is not coal or iron ore, but lithium. This lightest metal in nature may be the heaviest resource in the future energy landscape. China launched an ambitious electr...[Details]
RF/Wirelessly
京公网安备 11010802033920号
EEWORLD
