The working voltage Vcc of the module is 3.2 ~ 4.5 V, which can be provided by the step-down chip mic29302bu to reduce 5 V to the typical working voltage of 3.6 v. the five light-emitting diodes respe
1、 GPRS and its data transmission serviceGPRS (General Packet Radio Service) is the mainstream technology and an important milestone in the evolution of global mobile communication network technology
1、 OverviewWith the development of network technology, private network has also attracted more and more attention. But what kind of method should be adopted when setting up a private network! Now let&
1.GPRSGPRS is the English abbreviation of general packet radio service. It is a new bearer service developed from the existing GSM system. Its purpose is to provide GSM users with packet data service.
"Smart grid" is a hot topic at present. This year's government work report pointed out that it is necessary to strengthen power consumption management and develop smart grid and distribu
Internet of things (IOT Internet of things), which makes me curious, but I haven't really understood or really entered the world. According to Wikipedia terms, the Internet of things was first use
Abstract: This paper introduces the application of wireless SCADA technology in water plant, focuses on the solution of water well wireless radio monitoring in the wireless data transmission system of
GPRS general packet radio service is a set of wireless transmission mode developed by using the concept of packet switching. GPRS network is based on the existing GSM (global mobile communication syst
DTU (data transfer unit), the full name of data transmission unit, is a wireless terminal device specially used to convert serial port data into IP data or convert IP data into serial port data for tr
The oil production wells in the oilfield are relatively scattered, which brings great problems to the centralized management. The use of wired network has high cost and is not easy to maintain. The op
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