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GSM Remote Control – 2 IN and 2 OUT
Part 2 – SchematicIn order to understand the different functions, let’s now take a look at the schematic diagram of the unit. 2 IN and 2 OUT Schematic Diagram The entire control is handled by a Microchip PIC18F46K20-I/PT microcontroller, programmed with a...
- Posted 14 years ago
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GSM Remote Control – 2 IN and 2 OUT DTMF
Part 3 – AssemblyOn the construction perspective, the remote control does not present many difficulties, just the obvious ones that appear when working with circuits requiring superficial assembly components. As usual, there is a PCB with double plating where...
- Posted 14 years ago
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GSM Remote Control – 2 IN and 2 OUT
Part 3 – AssemblyNow that we have seen the electric scheme, we can work on the practical aspect of the project; let us state in advance that its making presupposes a double-faced printed board with metallic holes, using many SMD...
- Posted 14 years ago
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GSM Remote Control – 2 IN and 2 OUT DTMF
Part 4 – SMS CommandThe set of commands of this remote is divided into two categories: the SMS ones and the DTMF tones. The former are simply summarized in the corresponding table, since they are the same as the ones described...
- Posted 14 years ago
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GSM Remote Control – Temperature Control
Part 4 – SMS CommandCommands can be given in two different ways: the first one is to send the SMS according to required syntax and with the password (if required), needful to avoid strangers to operate the configuration; the second one...
- Posted 14 years ago
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GSM Remote Control – 2 IN and 2 OUT
Part 4 – SMS CommandNow you have to get to know the commands needed to manage it and use them at their best. Relevant commands must be given by SMS, on the understanding that a message can contain multiple messages properly...
- Posted 14 years ago
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GSM Remote Control – Gate Control
Part 3 – AssemblyUp to 200 numbers can be stored and enabled to control the relay, which allows people to use the gate opener not only in big condos and residences, but also in companies and all those other contexts...
- Posted 14 years ago
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GSM Remote Control – GSM Module
This GSM Mobile is used for our Remote Control (for example Gate Control, Temperature Control….). We use the word ‘module’ because, unlike what we did in our remote control projects, this time around the mobile phone is not...
- Posted 14 years ago
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GSM Module – M10
This module produced by Quectel, too, is GSM/GPRS (GSM Phase 2/2+) compatible and is a Quad-band type; the radio section works at a frequency of GSM 850 MHz, GSM 900 MHz, DCS 1800 MHz, and PCS 1900...
- Posted 14 years ago
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GSM Module – SIM900
This is a GSM/GPRS-compatible Quad-band cell phone, which works on a frequency of 850/900/1800/1900MHz and which can be used not only to access the Internet, but also for oral communication (provided that it is connected to a...
- Posted 14 years ago
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GSM Remote Control – Gate Control
Part 4 – SMS CommandCommands and settings can be sent by any cell phone via SMSs, as long as the message in question contains a password. Some of the commands can be composed without the use of a password (just so...
- Posted 14 years ago
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GSM Remote Control – Part 1
IntroductionA modular solution allowing for the use of a single circuit for numerous functions, such as gate opening, bidirectional telecontrol, and many others. It adopts a newly-conceived low-cost GSM/GPRS module. Nowadays, creating a remote control is much...
- Posted 14 years ago
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GSM Remote Control – Part 2
MotherBoard SchematicLet us start by describing the device’s electric scheme in its entirety, that is, along with all its components; we should also state in advance that the module we call GSM is, in reality, the small board...
- Posted 14 years ago
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GSM Remote Control – Part 3
MotherBoard AssemblyNow that we are familiar with the structure and functions of the base circuit, we can look at how it is built; let us state in advance that its realization presupposes a double-layer printed board with metallic...
- Posted 14 years ago