Interfacing a pic18f2520 microcontroller with a cell phone

Nov 05, 2008 2 Replies

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Lusweti 17 years ago

Hi,

I'm Lusweti. I am working on a project where i have a PIC18F2520 microcontroller taking readings from some sensors and displays them on a

2*8 LCD screen. I need it to further send these readings directly to a cell phone via usb interface. I am designing software to enable the phone to send these data to a website once it receives it.

Now the problem is on how to build an interface betwen the microcontroller and the phone. Is there a way this is possible? Any information will be greatly appreciated.

Please inform me as soon as possible.

Thak you.

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Ali 17 years ago

Hmm, that reminds me my old school days. Have a look at www.powercell.cjb.n= et where i have my project. I hop eit can provide you some good starting points. Infact we did the same thing;-)

cheers, ali

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Jeff Jonas 17 years ago

My project used my cellphone's serial port. Much easier: just use the PIC's UART. Most cellphones are not USB native: the cable has an RS232 to USB adapter.

If you're forced to use USB, you'll have to write host mode code since the phone's a device (kinda master/slave). Circuit Cellar had articles on the PIC USB devices recently. See

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