As we discussed a few months ago, the 2.4Ghz clone receivers have arrived. Above is the new Futaba FASST clone from OrangeRX that HobbyKing will be selling for $29.99 in September (you can pre-order now). The Spektrum clones (shown below) are already available for $14.95.
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BTW. I highly recommend the HiTec. There may be no park flier sized Rx for it tho.
and the radio is one place I am not willing to skimp!
I use an original Spektrum 6200 receiver on my Quad (in which I have invested many many hours) but a clone on my $50 foamy. A simple question of how much risk I'm willing to take.
(@michael "purpose of interoperability" is a good word but is just an excuse for copiers)
On the contrary, this is one of the cornerstones on which the consumer's protection from market monopolisation rests.
Yes they all hackable of course, If you want to crash all planes at the field, just you need a tx and few line code. 2.4 and frequency hopping is not a magic ;)
I slept better and now I realize I can not explain why
I guess its about my English or electronic skill.
At first, you should know this things for understanding 2.4 systems:
All 2.4 receivers uses same chips(2 brand 10 different chip) and all 2.4 chips comes with a perfect circuit design sample and they uses same protocol with different register numbers for their capabilities.
By the way, you need only a 1$ priced Atmega88 for talking them and sending servo signals. Engineering not into the circuits, all circuits engineered by rf module producers, you can choose them. All 2.4 rx brands (10+ now) can talk with others if you can write 200 lines code. You need only a protocol analyzer(140$) and few seconds for learning FAAST, DSM2 or other brands protocols. And you can talk with all transmitters or your wireless computer mouse or home theater system :)
And all rx/txs uses a transceiver(not a receiver/transmitter) for binding. And you can use them for 2 directional telemetry too in short range ;)
And another thing, 2channel or 14channel all receivers same, you need only a firmware change for other channels because it is a digital data protocol, big question is "why we are paying 10 times higher price for only few extra pinouts and same technology?"
After that:
Most important part of 2.4 digital transmission is PROTOCOL. Protocol is keeps you safe, resolves conflicts. And engineering starts here, because you need more than few months for designing a good protocol.(I know that because i designed 4-5 different transmission protocol for secure internet transmissions and talking with a medical implant) And this is why producers gives name to protocols. FAAST is not a device name, it is a protocol name,also DSM2.
Remember Corona 2.4 systems they changed protocol on v2 because few guys crashed on the field and reason was protocol.
Take a Corona receiver and find programming pins on PCB, copy FAAST protocol and type your FAAST code in to the Atmega88 chip, that's all. And maybe you want to add some sailsafe features or total PPM output for quadrocopters?
But if you want to sell it, i will call you thief and product will clone for me, because you are stealing everything as possible(protocol here) when you using their protocol without their permission. (@michael "purpose of interoperability" is a good word but is just an excuse for copiers)
Futaba doing this job for profit, RC not their hobby, we should understand this before talking about their price strategy or reasons. If they says "FAAST is our..." i cannot say "why man..." rule is buy or not for us.
Anyway
I'm not lawyer of Futaba/Spectrum, This is my personal comments about stealing something or not without designer's permission. And we need designers for next technologies.
I'm done, thanks for reading.
There is nothing "illegal" in most countries (including the USA, which tends to be the 500kg gorilla in the room when it comes to international IP law) about reverse-engineering a device for the purpose of interoperability.
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