"You are dreaming.
The system is much too complicated for your first project. It is many different circuits put together and you don't seem to know about the problems any of them."
Audioguru knows his way around RF, I'd not brush off his comments lightly.
It's not a trivial project,
you also don't seem to even have the basics of the design worked out such as your power source, what size does the device have (those photos show no scale but we assume they're about the size of a can of soda)
It's for a stage production, keep it simple. The stuff on Star Trek doesn't work either, it's a prop.
[Attempting a complex project for your first will only make you frustrated and disheartened as you spend ever increasing sums of money on buying components, connecting them together only to find it doesn't work.
Another way of doing this would be to rip apart a wireless door bell or remote controlled car and use the transmitting and receiving circuits.
I still think ultrasound is the best way,
Although I'm starting to think this is a troll, my suggestion would be to use induction coils, at 3 different frequencies. .
Easy??
1) Make a simple FM transmitter and see if it can transmit to an FM radio.
2) Make a simple FM radio and see if it is not overloaded by the many FM statios around and to see if it can pickup your simple FM transmitter.
3) See what happens to the frequency when the capacitance to the antenna of objects change the frequency.
4) Figure out how to detect the signal strength.
5) Figure out how to modulate and demodulate the different transmitters.
It might take you a few years.
1) Make a simple FM transmitter and see if it can transmit to an FM radio.
2) Make a simple FM radio and see if it is not overloaded by the many FM
3) See what happens to the frequency when the capacitance to the antenna of objects change the frequency.
4) Figure out how to detect the signal strength.
5) Figure out how to modulate and demodulate the different transmitters.
But you'd still be better off with someone off stage pressing an ON button to fire up three RF receivers.
We're working for free here.
Well almost anything...I worked with an engineer who used to do missile design... some ignoramus PHD would not listen when he said it was not possible... so they delivered the prototype missile to him with the 4" diameter inductor next to the 3" diameter missile!If you were a military engineer you'd have the resources and budget to build anything you set your mind to. Plus you would have the experience and credentials to understand the problem and hire the team you needed to get it done.
We're working for free here.
I have helped thousands of NOOBs on these forums that do not have "a chip on their shoulder". They genuinely wanted to learn about electronics. They thanked me.
Does your simple FM transmitter work? Why not?
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