need help with my thesis project:( GSM SMS Controller Using Bluetooth Cellular Phone and BTSerial1

[keejean07]

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pls close :P

[slkmclaren]

the project is a GSM SMS Controller without using any GSM modem. This is using the BTSerial1 module which wirelessly connects to a Bluetooth cellular phone to the PIC16LF876A’s serial port.


d mn ko mka butang pic d ko khbaw. pero here is the link sa ako gsunod para sa ako thesis:


College Goers : Final Year Projects : GSM SMS Controller Using Bluetooth Cellular Phone and BTSerial1


what does it mean sa ANALOG INPUT, located in AN0/RA0?


solomot!

(i just repost this, 'coz i dont know exactly where to post this thread)

Try searching for apphys_usc (not sure with the user id spelling). He has thread helping for this kind of project.

[red_horse]

Analog input means na maka measure sya ug analog voltages in between sa imo vref- and vref+ sa AD converter.
Usually ang vref-=VSS ug ang vref+=VDD.

"A/D Converter

External signals are usually fundamentally different from those the microcontroller understands (Ones and Zeros), so that they have to be converted in order for the microcontroller to understand them. An analogue to digital converter is an electronic circuit which converts continuous signals to discrete digital numbers. This module is therefore used to convert some analogue value into binary number and forwards it to the CPU for further processing. In other words, this module is used for input pin voltage measurement (analogue value). The result of measurement is a number (digital value) used and processed later in the program."