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FrSKY ACCST technology is proven, approved by many model associations, tested and reviewed as the leading Chinese 2.4Ghz R/C Technology. If you think DSM2 or FASST is the best, think again!
The Two-way Radio System developed by FrSky provides an additional return link that would be used for monitoring the Rx’s voltage, temperature, location, speed and so on.
Features: Advanced Continuous Channel Shifting Technology (ACCSTis our advanced tecnology it shifts channel hundred times per second and there is no signal conflicts and interruptions) robust frequency agility. Easy to bind and very fast link-up. Excellent reboot time. True Diversity with two antennas. All channels can be programmed with Failsafe, quickly and easily. Quick and extremely stable in performance. Precise and smooth servo response. Extended range (1.5km-2.5km).
Included: 1 x DHT DIY Transmitter Telemetry module 1 x Transmitter Antenna Instruction Sheet
Compatible with V8R4/V8R7-HV/V8R7-SP/V8FR-HV recievers in 1 way non-telemetry Mode. Compatible with D4FR/D6FR/D8R.D8R-II recievers in 2 way telemetry Mode.
Have you done the telemetry hardware mod or only installed it in the transmitter? You need also the telemetry version of the er9x to see telemetry on your screen.
I believe you need to use Frsky receivers. There's plenty of choice. As I'm using it with multirotors I went for PPM-sum compatible receivers which also accept telemetry.
Installed this in a Futaba 7CAP. Using a V8R4-II. Non-telemetry binding seems to be successful, steady green on RX, steady orange on TX. However, no response from TX inputs, I get the steady beeping sound from the aircraft. Installed a 2 position switch to go between 72 & 2.4, 72 works fine. The motor and ESC work fine with another RX. This is my first electric airplane after being out of the hobby for 8 years. What am I doing wrong?
The simple way to check is to connect servo to throttle channel and ensure you have servo responding to throttle moves.
Beeping from ESC more likely means that on the moment of powering on ESC there was no signal from RX (remember to power TX first, then airplaine), OR this may mean that throttle was not at the minimum position when ESC was powered on. Also this might mean that when you move throttle to min it doesn't reach threshold on which ESC arm. Also, the reason might be wrong channels connection.
Great input, gives me something to look at. Seems like I had the min throttle stick position set for idle using trim to kill the motor, so with the stick in the full "down" position and trim centered, it wouldn't have been the minimum setting, right?
May be this is a reason! Sometimes, you need to adjust endpoint for min position more than 100%...
My Turnigy 9x gives about 1100 at min instead of clear 1000 ( three times recalibrated! and subtrims at 0 ) so I set min for -110% and then my quad
finally armed. But with flight controller I was able to connect FC to computer and see levels for RX outs in GUI. unfortunatly that's not easy to check when you use simple traditional esc to RX connection
Set my throttle trim as low as it would go, didn't get into the subtrim, turned on the tx, plugged in the battery to the ESC and "snap", white smoke from the ESC. Had the ESC plugged into CH 4, a servo in CH 1 and of course the motor to the ESC. Trying to retrace my steps to figure out what I screwed up. Glad these things are relatively cheap! Once I get new parts I think this thread will get me there.
New question - any reason this wouldn't work in a Hitec Prism 7? I know they make a module for that radio, but it cost twice as much and I lose 72Mhz capability. Seems like it would be better to just by a 9x v2 for a little more than use the module.
Looking at Prizm7 manual..
It looks like prizm7 has Futaba module form factor.
Unlock you module and compare it form (locks position) with "FrSky DF 2.4Ghz Combo Pack for Futaba w/ Module & RX" ID: DFT
May be this will be simplier to integrate.
Any of the FrSky V or D receivers. Stay away from the T RX as they are for FAAST (Futaba) modules.
I use D8R-II plus & D6FR & they are great.Just received V8R4 II which is tiny but I haven't tested yet. FrSky is pretty good so I don't expect any issues.
D4R-II (ID: 236000009 ) is best for use with flight controllers,
When ch1 and ch2 is closed by jumper, it provide
PPM SUM on CH3 and RSSI out on CH4.
Less wires, more functionality. And it is telemetry capable, and superlightweight
It's compatible, but you will have to reuse someway stock 9x module box... Isn't it easier to buy
"FrSky DJT 2.4Ghz Combo Pack for JR w/ Telemetry Module & V8FR-II RX" (ID: JR-Combo) instead.
At least you wouldn't have headache with mounting knob, switch and antenna in TX9 module body.
Hey guys, what do you think:
I have a good old Robbe Promars transmitter here, with Multiswitch and Multiprop Modules. Normally use it with boats and trucks with tons of functions. it also has a 40Mhz module that can be changed. But i dont know if its using PPm modulation. Does someone has a clue if i get the transmitter with this thing in the 21th century?! :)
Thanks for any answer
I seem to recall these being based on Futaba guts but I'm not 100% as it was a LONG time ago. I'd be 80% sure it would work but I have been wrong before. Look at the module V a futaba one as a futaba style Frsky module may be a straight fit.
I just checked an old magazine & these were definately based on Futaba gear. Should be straight forward. I'm also pretty sure a futaba module will fit so you don't have to solder anything. I've got the FrSky module in my 9CHP & it's the best thing I ever did.
Hello Alan, thx for your answer. I already use a Frsky Module on my F-18 Futaba, wich works great by the way, but that one doesent fit in the old Robbe Promars. Well, i think i just have to risk some money *) But again thank you for your help
Regards Erik
It is normal that the red and green led are flashing fast at the same time. If only the red led is flashing it is in bind mode. If only the green led is flashing it is in range test mode.
I have this in my 9X and its working great. Question is, can I also use the OrangeRX dsm2 (forexample) plugged into the back of the 9X? If it matters, I bought the 9X that came without any module. Does the FrSky have to be disabled or the toggle switch set to a specific position for it to work?
Thanks!
You can use both at the same time. It might be usefull to have only one switched on at the same time so your transmitter battery lasts longer. Also, if you have both modules switched on you need to have two antennas sticking out of your transmitter. Never turn on a transmitter module without the antenna screwed on else the module will burn.
I'm trying to bind this module with D8R-II Plus receiver, but the module doesn't switch to the bind mode. As soon as i power the radio (Futaba 9C), the moule gets into the range check mode and stays there...
Does anyone have a similar problem?
No.
Have you checked you are in PPM & not PCM mode?
Have you tried pressing the range check button to see if it goes back into full range mode?
If yes to both might be worth a visit to the FrSky online support page. They tend to respond within 48 hours.
Yes, I've verified PPM mode and pushed the button multiple times for split second, second, 4 seconds, etc. Nothing works...
Where's "FrSky support page"?
Thanks for trying to help!
Picture of Bind-LED and switch mounting for the Turnigy 9x added to files. I hope this helps... If the LED is crooked desolder first and realign to square prior to installation
Here's my basic upgrade steps I used when upgrading my Futaba 3PM-FM Transmitter... redclayrc****/index.php?option=com_kunena&func=view& catid=4&id=1866&Itemid=94
Here's my basic upgrade steps I used when upgrading my Futaba 3PM-FM Transmitter...
***********redclayrc****/index.php?o ption=com_kunena&func=view&catid=4&id=1866&Itemid=94
Sets the transmitter in one of three modes: 1 way - for non telemetry receivers, 2 way - for telemetry ready receivers, and FW for firmware upgrade mode.
1-WAY Compatible with non-telemetry receivers:
V8R4/V8R7-HV/V8R7-SP/V8FR-HV
2-WAY Compatible with telemetry receivers:
D4FR/D6FR/D8R/D8R-II
FW Firmware Upgrade
The worst part about this is ordering it and waiting 30 days for product to arrive. The best part is that everything you order no one can seem to find the order after that. Sing Post no help, HK no help till 39 days, and USPS no help. HK fix yer shipping problems. been since 28th of march when it was shipped from china, now its the 23rd april noone has seen it.
I also had to wait a long time to receive a Singpost package.
Singpost packages may take up to 45 days to arrive, and unfortunately they use a lot of that time. Tracking updates come very slow too. I asked support why my package was sent with Singpost. They said because there's a LiPo in it. Without lipo it ships with HongkongPost, which is much faster. Now I order my lipos in local warehouses.
I received the package today!! Perhaps I should learn more patience. I appreciate and understand your plight Wout, it becomes very frustrating with no word on anything. I have been ordering everything I can in the local, we'll see how it goes. Thanks for telling me about your story, hopefully HK will work on getting more supply to the different regions to facilitate shipping faster.
Good to hear your package arrived. When no one could tell me where the package was and how long it would take to arrive, I started to think it was lost.
Hi. What main different between this one transmitter and PRODUCT ID: DJT ? I want install it to my turnigy 9x. Is it possibile somehow to do that telemetry information would be availiable on my turnigy 9x screen with this transmitter and PRODUCT ID: D6FR receiver.
The main difference: the DHT module here is for self soldering, sticking and drilling into your transmitter by yourself. The DJT module is ready to plug it into your 9X, but you have then a second antenna at the bottom (or back side) of your 9X. The D6FR supports telemetry and is able to communicate with the DHT and DJT module, but you have in both cases to modify or to connect the DHT or DJT module with the controller of your 9X and to flash a new software into it for the communication between the 9X and FrSky module and the ability of the 9X to display the telemetry data. The software is named 'er9x'. You find it on google code. There are some good tutorials in the web about all these modifications and the installation of the DHT here into the 9X. If you are good skilled in tinkering electronics: take the DHT module here, otherwise take the DJT. Have fun wit it!
I wrote about my job installing the module on my MX-16 radio. It's something that can be easily "adapted" to the majority of PPM radios. You can check it here:
*******franclimbento.blogspot.pt/2013/03/conve rting-35mhz-rc-graupner-mx-16.html
I have installed 8-10 of FrSky DIY Tx modules. Three of which are the telemetry type. The last one I completed (yesterday) works fine with Telemetry as well as non-telemetry receivers EXCEPT. After binding the Tx to the Rx when I power up the Tx and then the Rx the Tx module "beeps" at about one second intervals when the rx is powered up. If I should turn the RX off the Tx module continues to "beep".If I turn the Tx off and then back on it does not "beep" until I power up the Rx again. I have a screen on the TX but as best as I can determine there are NO alarms loaded into the system. Does anyone have a clue as to what's wrong? Any help shall be appreciated! Thanks...Tom
I contacted Hobby King and FrSky direct about the problem above.. I got no satisfactory solution from either. I replaced the DHT module and every thing works as it should. Obviously the problem was caused by a defective module. This exercise cost me in both money and time. I removed the heat shrink covering in an effort to make the DIY module to fit in side the Airtronics module case so I can't return it for a replacement or credit. This is a real unfortunate circumstance........Tom
I'm not sure if this is your exact problem but I had the same thing happen to my hitec flash 5x with the older model v8ht frsky hack module, easy fix, you need to install a capacitor in line with the lead, I forget the value, small, look it up.
Does this transmitter modul beep when rssi is low with the V8FR-II receiver? (i know it's not a telemetry receiver, but maybe can send rssi signal?)
Also, why are the antennas on the receiver sooo long? Before i had KDS 2.4GHz receiver, also with good range, but with only 2 small antennas on it (3-4cm). Is it long because for plane usage? I use it with multicopter, maybe i can cut off a little? Or it will decrease the range? thx!
Regarding long antennas:
DO NOT JUST CUT what you called ANTENNAS OFF! FrSky reciever has two coaxial wires plugged into it. At the end of them there is a portion without the outer insulation and shilding. This section is the same length as other shorter antennas.
You have several options:
1. just spread the wires and position them orthogonally to enjoy nice diversity
2. buy on of "FrSky Receiver antenna"s that are avialible on Hobbuking
3. cut both the wire and shilding by the same length and leave the same length of stripped wire.
Hope it helps.
Andras, I can not comment on beeping as I do not have this TX module but only own a stand-alone one. My guess here is NO based on the fact thea on a separate module only if you connedt an external display and set it up it beeps.
Can someone PLEEEASE help me I have been trying and trying to connect my new "FrSky DHT 8ch DIY TX Module" to upgrade this transmitter from 72 mhz to 2.4 Ghz. I have enclosed pics of what the inside of this transmitter looks like and I would just like to know where I would connect the 3 leads (RED = V BLACK = GND & YELLOW = PPM)
Please email me at davidwozniakbsn*gmail****
I did! but the 1 I have is the telemetry 1! at the back of the sd-10g , there is a S-video plug! at the upper right is the ppm8 singal ,than all u need is the power for the module! I didn't put the module inside . I just make a box hange it outside when I need it! box s-video plug(male)
Compatible with V8R4/V8R7-HV/V8R7-SP/V8FR-HV recievers in 1 way non-telemetry Mode.
So... Yes
Customer Reviews
Overall Rating
unicorn
15 likes
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1 thumbs up!
I instaled this module in my futaba fx-18 easy as a pie.Cut power wires to old 35mhz part use those wires for powering DHT module,solder yellow wire to ppm signal in the back of trainer plug.I unpluged toggle switch(now it is impossible to make a mistake or bump this switch when in air with model) default setting is 2-way mode. when needed for fw upgrade i can plug it back and remove after.
4 comments. Reply..
Overall Rating
knabby
6 likes
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UNRATED
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UNRATED
1 thumbs up!
Great device!
I Installed it in my Graupner FM314 and it works fabulous!
Even without TX antenna the signal is strong enough to span 10 m and more.
Thats enough for my truck.
The only bad thing is, that I cannot use two D8R receivers at the same time at one TX. Previously I used two RX. One in truck and one in trailer.
Does anybody know, if this works with the V8 receivers?
7 comments. Reply..
Overall Rating
allenfr
45 likes
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1 thumbs up!
I just received the DHT Module and a 8 channel receiver. Installed in a Futaba T6XAS today and it is working fine no problems installing. I mounted the switches and bind button on the back side just above the trainer plug outlet. The main module was mounted against the CPU on the Futaba using double sided foam tape. The antenna was mounted in place of the 72MHz one. Binding was great no problems binding to the transmitter. I checked all six channels and all are working with no jittering noticed. I will try a range check tomorrow and maybe fly in a plane on Sunday.
Installed at FUTABA T6XAS.The telemetry is a good auxiliar tool to fly with thermal planes when you go far away from you. The beeps from RSSI alarm advise you of the condition of RF Link.
4 comments. Reply..
Overall Rating
Ñåðãåé Êîä
15 likes
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UNRATED
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I want to purchase this module, interests me, that except for tension. ?????????? can on ????? this module and what sensors can be connected to the receiver of FrSky D8R 2.4Ghz 8CH with Telemetery except for the sensor of tension?
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