Welcome to our site! EDAboard.com is an international Electronics Discussion Forum focused on EDA software, circuits, schematics, books, theory, papers, asic, pld, 8051, DSP, Network, RF, Analog Design, PCB, Service Manuals... and a whole lot more! To participate you need to register. Registration is free. Click here to register now.
Re: Is possible to send data over a phone line without a mod
You can use DTMF but it will be very very slow.
You must "invent" a protocol.
For example
* - Start bit
# - Stop bit
1 - 00
2 - 01
3 - 10
4 - 11
With this protocol you can send A byte with 6 tones
For example if yo want to send "A"...
I dont know if you have opportunity , but if you have you can use a simple circuit with 16F84 PIC and a simple code written in picbasic
' PicBasic program to demonstrate operation of an LCD in 4-bit mode
'
' LCD should be connected as follows:
' LCD PIC
' DB4 PortA.0
'...
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.
