Welcome to our site!

Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.

  • Welcome to our site! Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.

Radio Remote Control Using DTMF

Status
Not open for further replies.

Nhan

New Member
Hi everyone,
My name is Nhan, from Australia.
I am very interested in the project "Radio Remote Control Using DTMF" and planning to build one as my school project. But I am not very sure and clear of how the two circuits (transmitter and receiver) work in details
Could someone kindly help me out, thanks very much.
Nhan
 

audioguru

Well-Known Member
Most Helpful Member
Why use old DTMF? The output would be simply on and off.

Why not use the digital proportional pulse-width-modulated signals that are used by model airplanes, boats and helicopters? They control servos that move any amount you need.
 

jitun2

Member
Here is schematic of a DTMF remote controller and receiver.You can use decoder and control upto 10 devices.
 

Attachments

  • dtmf.gif
    dtmf.gif
    30 KB · Views: 1,270
Status
Not open for further replies.

Latest threads

Top