Our company is now making an alarm controller that needs to support the Contact Id protocol, but we have never done it before, and the protocol document is not very clear. I hope someone who has done ...
Application Process
1. Carefully read the product introduction and information at the bottom of the page to understand the development board;
2.Click here to fill in the application form , fill in the...
As we all know, the most common impedance of speakers is 8 ohms. Using a multimeter, it is usually around 8 ohms, not to mention low-power ones. As shown in the picture above, the 8 ohm 30W speaker ha...
I have been working on the C language program for 51 single-chip microcomputer to read and write AD7710 for several days but still can't figure it out:'(:'(. I would like some great god to send me a p...
Recently, there is a project in school that needs to use 430 and ARM for USB communication, so I need to write the Linux USB driver for 430 myself. Does anyone have relevant experience? Can you share ...
introduction
The emergence of high-performance, low-power embedded CPUs and high-reliability network operating systems has made it possible to implement applications with large amounts of comp...[Details]
1 Introduction
Water resources are the basic conditions for human survival and the lifeline of economic development. The reality shows that due to the global shortage of water resources and th...[Details]
Among the uses of electrical energy, lighting accounts for a considerable proportion. Compared with the earlier ordinary incandescent lamps, the fluorescent lamps and energy-saving lamps we commonl...[Details]
Movpower is a portable power bank. It can charge most mobile phones and digital products, such as digital cameras, PDAs, and mobile phones such as Apple, iPod, Blackberry, Motorola, Samsung, Nokia,...[Details]
0 Introduction
In the design and construction of communication systems,
communication power supply
is called the heart of the communication system. The power supply system will dire...[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]
1. Introduction
Due to the good programmability and superior performance of FPGA, the number of embedded systems using FPGA chips in LCD splicing screens is increasing rapidly, especially in t...[Details]
1. Introduction
The novel bidirectional high-frequency link inverter has the advantages of bidirectional power flow, high-frequency electrical isolation, simple topology, and two-stage po...[Details]
1. Introduction
The human balance ability is the basis for people to carry out various sports. People need balance ability to stand, sit, lie down, and walk. Once a person's balance ability is...[Details]
0 Introduction
For a long time, rats have caused great trouble to family life and agricultural production. However, existing mechanical methods, chemical methods and biological control methods all h...[Details]
Commonly used power management chips for portable products
●Low Dropout Regulators (LDO Linear Regulators)
LDO
VLDO;
●DC/DC Converters based on inductor energy...[Details]
Overview
Modern
amplifier RF instruments
have impressive measurement capabilities and accuracy far exceeding their predecessors. However, these instruments cannot reach their full pote...[Details]
Infrared technology has been widely used in speed measurement systems, and many products have used infrared technology to achieve vehicle speed measurement, detection and other research. When infra...[Details]
Last week, Microsoft's Windows Phone 8 system was launched with great fanfare and attracted much attention from the industry. However, Nokia, the most staunch supporter of Microsoft's Windows Phone sy...[Details]
Google officially launched the new tablet Nexus 7 (center) and multimedia player Nexus Q (right).
MarketWatch reported on Wednesday (27th) that Google Inc. (GOOG-US) finally unveiled the t...[Details]