The Syma X1 - RC Groups
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This thread is privately moderated by Jack Crossfire, who may elect to delete unwanted replies.
Oct 03, 2012, 03:46 AM
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The Syma X1

After the disastrous Blade MQX, the Syma X1 was incredible. It has an accelerometer, giving it rock solid, level flight. It's the only thing to be reasonably flyable in the apartment, by a human. The transmitter is still a steaming pile of dog turd, but it's much more functional than the Blade. It has a convenient LCD, showing the control status.

It's hard to believe Horizon put out something as non functional as the Blade MQX unless they planned on releasing a later version with accelerometer to milk every last drop out of the customers. It's like they didn't really want to produce a quad, but put out a teaser to test the market.

The Syma was so stable, it was an immediate contender for the indoor drone prize. An initial test would ignore yaw & just see if machine vision could hover it. The weight limit would require it to be flown with the existing board & the transmitter hacked into.

After some heroic soldering, the stick voltages were once again logarithmic, like every other el cheapo remote control. Also, using PWM to synthesize the voltages was too noisy. The digital protocol was a well obfuscated SPI protocol. These issues would take some doing to resolve & a 2nd IMU would still be required to determine heading, making a custom flight computer more practical than hacking the transmitter.
Last edited by Jack Crossfire; Oct 03, 2012 at 04:04 AM.
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Nov 19, 2012, 04:42 PM
RC beginner
jack, what reason to think it has accelerometer? that does not seem appropriate for the cost of the fc and i can assure you there is no mcu with integrated accel.
Feb 17, 2013, 04:40 AM
--Oz--'s Avatar
Did you know this X1 binds to the 9x radio? The range is now not a problem, more info over here.

no ACC on this X1
Jun 16, 2013, 06:31 PM
Registered User

Fly multiple copters at the same time?

I was thinking about buying a second one, but I was having trouble finding info on flying multiple birds at the same time. Is it possible? Thx

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