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« on: November 07, 2010, 04:49:53 PM »
medicineman1987
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Guess what I did..

(Clue - attached pic)

clue.jpg
My Futaba Skysport 4 is no more.. (adding a 5th channel)
* clue.jpg (53.44 KB, 800x600 - viewed 3268 times.)
« Last Edit: January 04, 2014, 12:53:23 PM by anwar » Logged

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FlySky 9x (with ER9x,  backlight mod &  dual module hack) | Futaba SkySport 4VF (with 5th channel hack) | Glidiator - scratchbuilt 60" electric glider | SkySurfer | Scratchbuilt Tricopter | FT Nutball |  .46 Glow trainer (electric conversion in progress)
 

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« Reply #1 on: November 07, 2010, 04:57:07 PM »
VC
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You hacked it and converted it into a 6 channel?
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« Reply #2 on: November 07, 2010, 04:57:36 PM »
buzz_rc
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You added a switch Huh?
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« Reply #3 on: November 07, 2010, 05:08:09 PM »
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Converted to 2.4g and dint attach the antenna? Decided to give it to me for diwali? Cheesy
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« Reply #4 on: November 07, 2010, 05:15:58 PM »
medicineman1987
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Update at 5:45PM.. stay tuned Giggle
« Last Edit: November 07, 2010, 07:11:49 PM by medicineman1987 » Logged

"The day you stop playing with your toys is the day you start getting ready to die.."

FlySky 9x (with ER9x,  backlight mod &  dual module hack) | Futaba SkySport 4VF (with 5th channel hack) | Glidiator - scratchbuilt 60" electric glider | SkySurfer | Scratchbuilt Tricopter | FT Nutball |  .46 Glow trainer (electric conversion in progress)
 

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« Reply #5 on: November 07, 2010, 05:54:59 PM »
medicineman1987
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VC sir came really close  Smiley
Buzz-rc is partially right  Smiley
@Rajathv8 - Why would you want such a old tx??  Smiley

Answer:  Hacked my Futaba Skysport 4-channel Tx and added a 5th non-proportional channel..  Grin


Adding a 5th channel to a Futaba Skysport 4 channel Tx:

The following materials & tools are needed for the hack:

Wires- single strand type is preferred but I had only multi strand lying around.
Switch- Any type of switch will do, I've chosen a toggle type single pole.
Resistor- 470 ohms 1/4th watt resistor (not necessary but used it for safety sake)
Drill/Dremel- To drill the hole for the switch
Sandpaper
Pliers
Screwdriver
Soldering machine & solder
Multimeter- Not necessary but its better if you check all the connections before plugging in the battery.

NOTE:
 
1. This hack is ONLY for Skysport 4 with the Futaba FP6335 chip (see pic-2 left side) If your tx has the NE5044N (pic-2 right side) chip then your in luck as you can add 3 proportional channels and turn it into a fully functional 7ch Tx.. For instructions on how to do that do a search on Rcgroups..

2. The 5th channel is NON-PROPORTIONAL i.e. the servo will move from one extreme to the other when the switch position is changed. It can be used for switching on lights/glow drivers or dropping stuff etc.

3. The Tx with the FP6335 chip can also be hacked into 7ch but its much tougher task which requires heavy modification and I didn't want to risk my only tx Smiley

PROCEDURE:

First open up your tx and drill a hole where you want to add the switch. If the switch does not fit properly then use the dremel to grind down the plastic in the area till it fits properly. Then use the sandpaper to smoothen everything out. In my case the the switch whould not fit as there was a plastic tab on the inside of the casing which was obstructing it. I did not have a dremel so I used the sharp edge of an old broken drill bit (with my cordless drill) to grind everything down.

Now solder the wires to the switch and solder the resistor to one of the wires. Does not matter which. (see Pic-3)

The circuit board already has solder pads added for ease of soldering, these are used for this hack. (see Pic-4)

1-tools.jpg
Re: My Futaba Skysport 4 is no more.. (adding a 5th channel)
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« Last Edit: November 07, 2010, 08:31:02 PM by medicineman1987 » Logged

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« Reply #6 on: November 07, 2010, 05:57:26 PM »
medicineman1987
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Now solder the wires from the switch ( + resistor) to these two pads and secure them properly with tape. (see Pic-1&2) In my case i've attached resistor to the circuit board end of the switch wire.. I would recommend you to solder the resistor to the switch..

Install the switch into the hole you drilled and secure the wires with tape so that thy don't move around inside the tx. (see Pic-3)

Close the Tx case.. and your Skysport 5 in ready! Giggle Simple and clean! (see Pic-4)

resistor soldered.jpg
Re: My Futaba Skysport 4 is no more.. (adding a 5th channel)
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« Last Edit: November 07, 2010, 07:13:24 PM by medicineman1987 » Logged

"The day you stop playing with your toys is the day you start getting ready to die.."

FlySky 9x (with ER9x,  backlight mod &  dual module hack) | Futaba SkySport 4VF (with 5th channel hack) | Glidiator - scratchbuilt 60" electric glider | SkySurfer | Scratchbuilt Tricopter | FT Nutball |  .46 Glow trainer (electric conversion in progress)
 

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« Reply #7 on: November 07, 2010, 05:59:16 PM »
medicineman1987
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Test Videos:

Test it before you close the case!!!!



Test it again after you close the case!!!
« Last Edit: November 07, 2010, 07:13:09 PM by medicineman1987 » Logged

"The day you stop playing with your toys is the day you start getting ready to die.."

FlySky 9x (with ER9x,  backlight mod &  dual module hack) | Futaba SkySport 4VF (with 5th channel hack) | Glidiator - scratchbuilt 60" electric glider | SkySurfer | Scratchbuilt Tricopter | FT Nutball |  .46 Glow trainer (electric conversion in progress)
 

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« Reply #8 on: November 07, 2010, 06:13:55 PM »
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That is super awesome...!
I have one skysport laying around without much of use. I am gonna try this for sure.
Thanks a lot medicineman1987..!

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« Reply #9 on: November 07, 2010, 06:27:29 PM »
VC
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Interesting! I have a 2 clones lying around. Must try this out. Well done!
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« Reply #10 on: November 07, 2010, 06:40:11 PM »
rajathv8
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Oh cool. What are you planning to use this for huh? Lights yould be awesome! Or maybe a drop bomb Cheesy You perform surgery on humans and on radios Cheesy
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« Reply #11 on: November 07, 2010, 06:42:23 PM »
medicineman1987
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Thanks guys..

I don't know why Futaba didn't add the switch in the first place! Anyway it cost me only 10 Rupees (resistor + switch) and took little over half an hour..

That is super awesome...!
I have one skysport laying around without much of use. I am gonna try this for sure.
Thanks a lot medicineman1987..!

If you are lucky and have the NE5044 chip then you can add 3 fully proportional channels! Best of luck Thumbs Up

Interesting! I have a 2 clones lying around. Must try this out. Well done!

Will be interesting to see if the clones have the same circuit board solder pads.. Smiley
« Last Edit: November 07, 2010, 07:12:44 PM by medicineman1987 » Logged

"The day you stop playing with your toys is the day you start getting ready to die.."

FlySky 9x (with ER9x,  backlight mod &  dual module hack) | Futaba SkySport 4VF (with 5th channel hack) | Glidiator - scratchbuilt 60" electric glider | SkySurfer | Scratchbuilt Tricopter | FT Nutball |  .46 Glow trainer (electric conversion in progress)
 

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« Reply #12 on: November 07, 2010, 06:45:03 PM »
medicineman1987
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Oh cool. What are you planning to use this for huh? Lights yould be awesome! Or maybe a drop bomb Cheesy You perform surgery on humans and on radios Cheesy

I'm thinking of night flying so this will come in handy to switch the lights.. Also maybe to drop parachutes/bombs etc.. Grin
« Last Edit: November 07, 2010, 07:12:27 PM by medicineman1987 » Logged

"The day you stop playing with your toys is the day you start getting ready to die.."

FlySky 9x (with ER9x,  backlight mod &  dual module hack) | Futaba SkySport 4VF (with 5th channel hack) | Glidiator - scratchbuilt 60" electric glider | SkySurfer | Scratchbuilt Tricopter | FT Nutball |  .46 Glow trainer (electric conversion in progress)
 

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« Reply #13 on: November 07, 2010, 06:46:49 PM »
rajathv8
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Maybe you can add both and use a switch to toggle between the two Smiley  
Hey you can have a harness to carry a small glider and release it high in the sky. Man so many functions for one switch Cheesy
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« Reply #14 on: November 07, 2010, 07:05:33 PM »
medicineman1987
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Nice idea Rajath! Never thought of dropping a glider! Thumbs Up

I was thinking of using these :
http://www.hobbyking.com/hobbyking/store/uh_viewItem.asp?idProduct=8833
http://www.hobbyking.com/hobbyking/store/uh_viewItem.asp?idProduct=12615
Has anyone tried these?
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FlySky 9x (with ER9x,  backlight mod &  dual module hack) | Futaba SkySport 4VF (with 5th channel hack) | Glidiator - scratchbuilt 60" electric glider | SkySurfer | Scratchbuilt Tricopter | FT Nutball |  .46 Glow trainer (electric conversion in progress)
 

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« Reply #15 on: November 20, 2010, 10:52:24 PM »
ved
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Can I convert my Fly Sky 4Ch to5Ch ?
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« Reply #16 on: November 20, 2010, 11:25:43 PM »
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you need to check if fly sky radio's encoder IC has extra channel or not.
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« Reply #17 on: November 20, 2010, 11:35:44 PM »
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When doctors go nerdy...channels are added!! Grin
Niiiiiiccccccccce.......
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« Reply #18 on: November 20, 2010, 11:40:30 PM »
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He he..  I've already ordered that hobbyking switch.. Can't wait to light up the plane Grin after I fix it up that is... Hey ved, google n see if anyone has done the hack on the fly sky.. If yes then I can help you..
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« Reply #19 on: November 21, 2010, 10:10:08 AM »
ved
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No. Bang Head Bang Head
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« Reply #20 on: November 21, 2010, 11:40:15 AM »
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Information sharing improves knowledge of both.



VED,
open up your radio and note down the IC number. Then search for their datasheet.
You can learn a lot of thing without cloaning another's work. However, a successful clone s also enjoyable and the Doctor should be thanked.

Thanks medicineman1987.

Another related Datasheet link.
http://pdf1.alldatasheet.com/datasheet-pdf/view/17950/PHILIPS/NE5044N.html
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« Reply #21 on: November 21, 2010, 12:46:33 PM »
medicineman1987
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Thank you kalyanprodhan sir.
Hey Ved, if your radio uses the NE5044 then you can easily add more channels.. Just open up your radio carefully and check what chip is in it..
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FlySky 9x (with ER9x,  backlight mod &  dual module hack) | Futaba SkySport 4VF (with 5th channel hack) | Glidiator - scratchbuilt 60" electric glider | SkySurfer | Scratchbuilt Tricopter | FT Nutball |  .46 Glow trainer (electric conversion in progress)
 

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« Reply #22 on: November 21, 2010, 01:17:45 PM »
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Thank you medicineman1987.
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« Reply #23 on: November 21, 2010, 01:48:09 PM »
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The IC numder of my radio is EM78P458AMJ-G. Can anyone please find me the datasheet. Help Me Help Me Help Me Help Me
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« Reply #24 on: November 21, 2010, 02:42:52 PM »
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maybe this will
http://pdf1.alldatasheet.com/datasheet-pdf/view/60212/EMC/EM78P458AM.html
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« Reply #25 on: January 04, 2014, 09:34:29 AM »
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Thank you medicineman1987 for posting how to add a 5th channel on your Skysport 4-channel Tx.
I added a 5th channel to mine and it works great

Rick
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« Reply #26 on: February 09, 2016, 07:46:49 PM »
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Thanks, works for me even if I've not the same circuit.
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« Reply #27 on: February 10, 2016, 07:34:22 AM »
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You are welcome! What a pleasant surprise to see replies on my old thread Smiley
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« Reply #28 on: November 21, 2016, 10:35:33 AM »
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Retracts on a powered plane and flaps on a glider would be good options for the 5th Channel. Of course there would be no elevator compensation for the latter.

Medicineman, any tutorial on a 2.4 GHz conversion for this particular brand? I have a Frsky hack available.
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« Reply #29 on: November 21, 2016, 06:28:16 PM »
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If you manage to find a ppm stream , then it's a piece of cake
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« Reply #30 on: November 21, 2016, 06:59:54 PM »
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There is -, + and in and out next to the trainer port. Will send photo tomorrow
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« Reply #31 on: November 23, 2016, 09:53:07 AM »
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The solder pads as available next to the trainer port and main circuit board.

IMG_2400.jpg
Re: My Futaba Skysport 4 is no more.. (adding a 5th channel)
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