- Posts: 4402
In search of the ultimate Devo7E
29 Jun 2015 23:53 - 29 Jun 2015 23:53 #34865
by PhracturedBlue
Replied by PhracturedBlue on topic In search of the ultimate Devo7E
The UniversalTx is designed as a plug-and-play module for the 6/8/10/12/12e/f12e/f7 (but not for the devo7e). On the 7e, the primary benefit is the ability to use a single antenna with all modules; otherwise it really has minimal benefit compared to the multimod. It may actually be harder to install, since you will need to remove the existing module to install the universaltx.grnd flyr wrote: Forgive my ignorance but what is the difference between the UTX & MultiModule v1.3 (supposed to arrive in a couple days)? Also curious for any pics of the MultiModule all hooked up, i.e. mounting location...
It is your transmitter, you can do whatever you like with it. As long as you don't use 'Deviation' or 'DeviationTx' in a way that is not representative of the product, I really don't care (and if you do there is not a lot I can do about it anyway)PhracturedBlue, fwiw... I found that post from SadSack where he described how he went about it. I ended up using ~ 400 grit mesh paper, swimming in mineral spirits, polished with toothpaste & microfiber washcloth. Worked pretty well... Any offense to using:
DEVO 7E
d e v i a t e d
in stead of deviation? I sure want to give credit where it's due, and much thanks for all the time and effort you and everyone else here has put into this. I just can't wait to turn my 7E for the first time!
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30 Jun 2015 02:28 #34871
by grnd flyr
[/quote]
I'll be happy with just one antenna vs a porcupine, thank you...
the original is already out waiting for the 8S upgrade module, cool!
Thanks, I appreciate that.
Honestly, I don't have that "Curlz MT?" font, or at least I don't think I do (need to go through a couple old drives & see if I can find it). If I didn't have the font, I figured I would slosh together whatever I could muster...
Replied by grnd flyr on topic In search of the ultimate Devo7E
The UniversalTx is designed as a plug-and-play module for the 6/8/10/12/12e/f12e/f7 (but not for the devo7e). On the 7e, the primary benefit is the ability to use a single antenna with all modules; otherwise it really has minimal benefit compared to the multimod. It may actually be harder to install, since you will need to remove the existing module to install the universaltx.PhracturedBlue wrote:
[/quote]
I'll be happy with just one antenna vs a porcupine, thank you...
the original is already out waiting for the 8S upgrade module, cool!
It is your transmitter, you can do whatever you like with it. As long as you don't use 'Deviation' or 'DeviationTx' in a way that is not representative of the product, I really don't care (and if you do there is not a lot I can do about it anyway)
Thanks, I appreciate that.
Honestly, I don't have that "Curlz MT?" font, or at least I don't think I do (need to go through a couple old drives & see if I can find it). If I didn't have the font, I figured I would slosh together whatever I could muster...
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30 Jun 2015 13:39 - 30 Jun 2015 13:43 #34889
by PhracturedBlue
Replied by PhracturedBlue on topic In search of the ultimate Devo7E
You can get them from ebay or digikey (probably others). just search for the part number:
STM32F103RCT6
It is a 64 pin QFP package, so it really depends on your skill.
Removing the old one is easiest with a hot-air gun and narrow tip. But you can also use ChipQuick, or cut the leads and remove the pins one by one
After removing the chip, I use solder braid to remove the solder from the pads. If you used ChipQuick this is an absolute requirement. It is much easier to align the new chip and get a better solder connection if you do.
If you elect to use solder braid, you should practice with it 1st (if you aren't experienced with it). A bit of flux on the braid as well as a bit of solder can help get the wickingaction going. Set it on the pads, heat with an iron, wait for solder to start absorbing into the wick, slowly drag off the pads.
Installing the new one can be done using an iron and drag-soldering or individually soldering the pins, or by using solder paste and a hot-air gun (I prefer the latter). Either way make sure you precisely align the chip on the pads before you start. I recommend using flux here. Be careful not to move the chip during the process. I ended up tacking down opposite corners to hold it in place.
Once done, use an iron (and maybe some solder braid) to fix any bridged pins. I again find liberal flux here to be helpful.
For me, this process probably took an hour or so, but I am not great at soldering and my hands are not steady. I try to use the hot-air as much as possible, myself. Also take all the advice above with a grain of salt; as I mentioned, I am not a master at soldering, and even through I have the right tools for the job, I often struggle to get good results
STM32F103RCT6
It is a 64 pin QFP package, so it really depends on your skill.
Removing the old one is easiest with a hot-air gun and narrow tip. But you can also use ChipQuick, or cut the leads and remove the pins one by one
After removing the chip, I use solder braid to remove the solder from the pads. If you used ChipQuick this is an absolute requirement. It is much easier to align the new chip and get a better solder connection if you do.
If you elect to use solder braid, you should practice with it 1st (if you aren't experienced with it). A bit of flux on the braid as well as a bit of solder can help get the wickingaction going. Set it on the pads, heat with an iron, wait for solder to start absorbing into the wick, slowly drag off the pads.
Installing the new one can be done using an iron and drag-soldering or individually soldering the pins, or by using solder paste and a hot-air gun (I prefer the latter). Either way make sure you precisely align the chip on the pads before you start. I recommend using flux here. Be careful not to move the chip during the process. I ended up tacking down opposite corners to hold it in place.
Once done, use an iron (and maybe some solder braid) to fix any bridged pins. I again find liberal flux here to be helpful.
For me, this process probably took an hour or so, but I am not great at soldering and my hands are not steady. I try to use the hot-air as much as possible, myself. Also take all the advice above with a grain of salt; as I mentioned, I am not a master at soldering, and even through I have the right tools for the job, I often struggle to get good results
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08 Nov 2015 01:01 - 08 Nov 2015 01:03 #39724
by Tom
Replied by Tom on topic In search of the ultimate Devo7E
After doing the 2x 3-way switches mod and inserting an aditional A7105 module for the Hubsan protocol I'm thinking about replacing the MCU in my Devo 7e as well to get rid of the space problem especially for coming versions of DeviationTX. Because I really like the Devo7e apart from that.
So maybe a poll would be a good idea to find out how many Devo 7e user here would be interested in this hack and if not an own official version of DeviationTX for that mod would be reasonable after all.
But in any case thank you for all the informations you provide here.
So maybe a poll would be a good idea to find out how many Devo 7e user here would be interested in this hack and if not an own official version of DeviationTX for that mod would be reasonable after all.
But in any case thank you for all the informations you provide here.
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08 Nov 2015 05:03 #39728
by mwm
Didn't ask that question because this mod is more difficult than any of the existing ones, but see docs.google.com/forms/d/10yCwkXLnQUufACc...uQ9q5hU5J9c/viewform
Do not ask me questions via PM. Ask in the forums, where I'll answer if I can.
My remotely piloted vehicle ("drone") is a yacht.
Replied by mwm on topic In search of the ultimate Devo7E
Tom wrote: So maybe a poll would be a good idea to find out how many Devo 7e user here would be interested in this hack and if not an own official version of DeviationTX for that mod would be reasonable after all.
Didn't ask that question because this mod is more difficult than any of the existing ones, but see docs.google.com/forms/d/10yCwkXLnQUufACc...uQ9q5hU5J9c/viewform
Do not ask me questions via PM. Ask in the forums, where I'll answer if I can.
My remotely piloted vehicle ("drone") is a yacht.
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08 Nov 2015 06:04 #39729
by Richard96816
It only seems hard because people keep stoking the paranoia surrounding it. If you don't have the simple tools and supplies necessary and a good plan it can be hard or impossible. Otherwise, it's relatively easy.
Prove it to yourself with an old motherboard or video card with a similar chip. Removing it, carefully and then solder it back on. A couple times if necessary. It's easy. Easier than adding transmitter modules or switches. A little practice helps.
Replied by Richard96816 on topic In search of the ultimate Devo7E
mwm wrote:
Tom wrote: So maybe a poll would be a good idea to find out how many Devo 7e user here would be interested in this hack and if not an own official version of DeviationTX for that mod would be reasonable after all.
Didn't ask that question because this mod is more difficult than any of the existing ones, but see docs.google.com/forms/d/10yCwkXLnQUufACc...uQ9q5hU5J9c/viewform
It only seems hard because people keep stoking the paranoia surrounding it. If you don't have the simple tools and supplies necessary and a good plan it can be hard or impossible. Otherwise, it's relatively easy.
Prove it to yourself with an old motherboard or video card with a similar chip. Removing it, carefully and then solder it back on. A couple times if necessary. It's easy. Easier than adding transmitter modules or switches. A little practice helps.
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