LOGIN
Murlidhar Roy
Student
 · BhubaneswarIndia
Share
Get Link
Report
QUESTION
Open

I am working on a project DTMF based home automation using arduino and gsm 900a and i need some help. Please send me the circuit diagram and code.

0 like 
Like
Nilotpal Sarma
Engineer
 · GuwahatiIndia
Share
Get Link
Report

You can simply connect the DTMF module to the digital pins of arduino, for connecting the gsm module make a new serial port on arduino and connect rx(ard)-tx(gsm) and tx(ard)-rx(gsm)

0 like 
Leave a reply...
DISCOVER
CHAT
ALERTS
DISCUSSIONS
FEED