RC car without connection

[PP86]

Hello,

I would like to control a mini-car by radio control with my Rpi2.
I'm a noob in this domain so maybe this question is stupid but :

As the Rpi can send a signal with a certain frequency (just as to make signal on the FM band), why I could not control my mini-car by generating a signal with GPIO4 with the good frequency and without other connection ?
I would like to use my Rpi as a simple remote which could be programmable.

[davidcoton]

Hello,

I would like to control a mini-car by radio control with my Rpi2.
I'm a noob in this domain so maybe this question is stupid but :

As the Rpi can send a signal with a certain frequency (just as to make signal on the FM band), why I could not control my mini-car by generating a signal with GPIO4 with the good frequency and without other connection ?
I would like to use my Rpi as a simple remote which could be programmable.

You could in theory. In practise it may well be illegal, and almost certainly antisocial because the radio signal will "splatter" all over the spectrum.

There are several technologies to consider, depending on the range and reliability you need. You could use a WiFi signal, Bluetooth, or interface your Pi to a standard RC radio. In any case you need to design a "fail-safe" system that will stop the car if the control signal is lost.

Note for others: WiFi and Bluetooth are normally NOT suitable for aircraft control.