How to Translate SMS Text Messages into Morse Code Using GSM/GPRS Mobile Kit




Introduction Go to index

This tutorial allows the user to translate SMS text messages into morse code. When the module receives a SMS it will reproduce it in morse code through the buzzer.How to Translate SMS Text Messages into Morse Code Using GSM GPRS Mobile Kit

Ingredients:

      – 1 x

GSM/GPRS Mobile Kit

    • 1x Platform
    • 1x GPRS/GSM QUADBAND MODULE (SIM900)
    • 1x GPRS antenna
    • 1x Buzzer
    • 1x 220Ω resistors
    • 1x Breadboard
    • 1x External power supply
    • 1x Programming cable
    • Jumper Wires
NOTE: Depending on the platform chosen to develop the project, the ingredients and the schematics shown in this tutorial can vary.

This project can be developed with Arduino or Intel Galileo. It is also compatible with Raspberry Pi using the Raspberry Pi to Arduino shields connection bridge.




For further information about the GPRS/GSM QUADBAND MODULE (SIM900) Shield, consult the main tutorial.

Step 1: Connection Go to index

Connect the GPRS antenna to the shield and then, connect the shield to Arduino or to Raspberry Pi connection bridge. Connect the resistor and the buzzer in the breadboard as you can see in the next diagram.

Connect two wires, red and black, to the two long rows on the side of the breadboard to provide access to the VCC supply (5V in Arduino and 3.3V in Raspberry Pi) and ground. Then, connect digital pin 9 to one leg of the resistor.How to Translate SMS Text Messages into Morse Code Using GSM GPRS Mobile Kit schematic That other leg of the resistor is connected to the negative of the buzzer.Finally, connect positive terminal, marked with a “+”, to VCC.

WARNING: In Raspberry Pi, GPIO voltage levels are 3.3 V and are not 5 V tolerant. There is no over-voltage protection on the board. Digital inputs use a 3V3 logic level and are not tolerant of 5V levels, such as you might find on a 5V powered Arduino. Extreme caution when working with GPIO, you may damage your Raspberry Pi, your equipment and potentially yourself and others. Doing so is at your own risk!

 

For more detail: How to Translate SMS Text Messages into Morse Code Using GSM/GPRS Mobile Kit




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