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Old Jan 22, 2013, 11:40 AM
RC beginner
New York
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ive uploaded to post #1 a hex file for the 8chan mega8 version of diy flysky rx. fuses are c0a4. wiring is same as in the prototype photo:

pd7-0=chan1-8
pb5=cs
pb4=sck
pb3=dio
pb2=io1

to bind:

1. turn on tx
2. short ch8 to gnd and apply power
3. wait 5 sec then disconnect ch8, led on pc5 goes on to indicate link

ill add a diagram and more photos when i get a chance. i think this should be enough to get one running now assuming i havent made a mistake somewhere or left anything out.
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Old Jan 22, 2013, 04:33 PM
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Originally Posted by dave1993 View Post

i also improved the half gram 8ch modified pcb version. now has failsafe and simpler link procedure. playing around with antenna configurations i was able to almost double the range. it was already adequate for any model that size to be seen but now your buddy in the next county can watch the plane and give you control instructions over cell phone. lol!
You added failsafe? Sweeeeeet
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Old Jan 23, 2013, 11:23 AM
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New York
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Originally Posted by msev View Post
Awesome we like your projects ...When will rssi for 9x receivers come onto your to-do list :P
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Originally Posted by blackmoon View Post
Does the pcb version already outputs PPM-sum signal ? (I know I'm impatient...)

Well done Dave.
thanks for the compliments guys. hopefully others find these things as interesting as i do. so looks like a to-do list is in order:

1. rssi
2. ppm
3. ?????

ill start tracking suggestions in post #1.
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Old Jan 23, 2013, 01:29 PM
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ITALY
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actuator

Actuator output for micro airplane.
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Old Jan 23, 2013, 06:36 PM
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Joined Apr 2010
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This is cool, what are the odds of a version that uses a gyro from S107 or V911 and has 4 motor outputs to be used in a tandem coaxial?
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Old Jan 24, 2013, 02:45 AM
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This is cool, what are the odds of a version that uses a gyro from S107 or V911 and has 4 motor outputs to be used in a tandem coaxial?
Odds of it are better than him making a full fledged autopilot
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Old Jan 25, 2013, 11:21 AM
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Originally Posted by Ivan2280 View Post
Actuator output for micro airplane.
good call. actually that is already available on one of the half gram versions i was playing with. 1 motor pwm pin, 3 servo pwm, 4 actuator. havent really tested this on a plane but it looks good on the scope. added to the list in post #1.
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Old Jan 25, 2013, 11:30 AM
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Odds of it are better than him making a full fledged autopilot
not necessarily true. ive already succeeded in writing basic rudder controlled rtl code which seems to be working so far. turns out parsing nmea strings and basic waypoint sequencing are much easier to implement than those gyro/accel algorithms. none of that tricky pid stuff. maybe some day incorporate it into the rx firmware as a option to minimize lost planes. maybe.
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Old Jan 25, 2013, 11:32 AM
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dupitty dup.
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Old Jan 25, 2013, 01:31 PM
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Originally Posted by dave1993 View Post
not necessarily true. ive already succeeded in writing basic rudder controlled rtl code which seems to be working so far. turns out parsing nmea strings and basic waypoint sequencing are much easier to implement than those gyro/accel algorithms. none of that tricky pid stuff. maybe some day incorporate it into the rx firmware as a option to minimize lost planes. maybe.
That would be awesome,...plane stabilization could be done with other boards (like the kk2 or naze32 with openaero2 or openaero32 software)...so the receiver would just control the rudder when it goes into failsafe..That would be really awesome!
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Old Jan 26, 2013, 11:54 AM
Whatever goes up must go BOOM
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Hi Dave, I am very interested in this, but unfortunately I do not have a Turnigy or FlySky transmitter, and as mentioned before, they are cheap, but I prefer my DX7s. Also I dont want to spend money on another transmitter that I am not going to use for anything else (most likely), and I am a kid (11 yrs old) so I do not have that much money in the first place. Is it possible to make a little reciever like the deadbug one that is DSM2 or DSMX compatable? Thanks.

-joker
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Old Jan 26, 2013, 12:15 PM
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Hi Dave, I am very interested in this, but unfortunately I do not have a Turnigy or FlySky transmitter, and as mentioned before, they are cheap, but I prefer my DX7s. Also I dont want to spend money on another transmitter that I am not going to use for anything else (most likely), and I am a kid (11 yrs old) so I do not have that much money in the first place. Is it possible to make a little reciever like the deadbug one that is DSM2 or DSMX compatable? Thanks.

-joker
There are not any 'DIY' DMS2/DMX nano RX but save your penny's http://www.deltang.co.uk/
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Old Jan 26, 2013, 12:57 PM
Whatever goes up must go BOOM
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Originally Posted by SadSack View Post
There are not any 'DIY' DMS2/DMX nano RX but save your penny's http://www.deltang.co.uk/
Ugh, I was afraid of that. I have already seen the DelTangs, but they are quite expensive.

-joker
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Old Jan 26, 2013, 01:26 PM
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Ugh, I was afraid of that. I have already seen the DelTangs, but they are quite expensive.

-joker
Maybe Lemon-RX is interesting for you . LightWeight and cheap DSM2 rx.
http://www.lemon-rx.com/
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Old Jan 26, 2013, 01:51 PM
Whatever goes up must go BOOM
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Yep, I know about Lemon RX too. In fact I was looking at this one (link below) a couple of days ago, but at 1.41 grams, it is still a bit too heavy and too big for what I was looking for. Thats why the deadbug reciever caught my attention - a cheap, small, lightweight reciever. I am thinking about buying a DT rx used to save money.

-joker

EDIT: Whoops, totally forgot to add the link. Here it is: http://www.lemon-rx.com/shop/index.p...&product_id=94
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