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Simple WiDCC
 Moderated by: W C Greene Page:  First Page Previous Page  1  2  3  4  5  Next Page Last Page  
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 Posted: Fri Oct 2nd, 2015 08:34 pm
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Simon Dunkley
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Ok.
Tam Valley produce a transmitter that puts the DCC commands over the airwaves. Each engine needs to have a receiver, connected to the DCC decoder of your choice. The rest is up to you to decide according to your wishes.

In the UK, the transmitter is GBP50 (you can have more than one, if the layout is large enough to require it) and the receivers are the same price, one per engine.

Power can be constant voltage via the rails, or via battery. I am going for the latter.

DCC system can be any you wish to use. The tablet is used to host JMRI software, using the SPROG to convert the commands to DCC. Since no power is being supplied to the rails, the SPROG "nano" was chosen as it only has to supply the DCC signal to the transmitter.

Controllers can be any you wish to use. Rather than using the tablet, the intention is to use the WiThrottle on an iPod touch, connecting to the tablet via bluetooth.

I am afraid that the usual demands of family and work have rather got in the way of any further progress, although I did charge the batteries!

I think that the Tam Valley system is a good way to transition from DCC to on-board batteries and wireless control, but it is just one of many ways of doing it.

Edit: the web address. http://www.tamvalleydepot.com/deadrailsystem.html
They call it DRS1.

Last edited on Fri Oct 2nd, 2015 08:37 pm by Simon Dunkley



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 Posted: Fri Oct 2nd, 2015 08:38 pm
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Kelly R
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Now here is my take on a system...

I own the NCE PowerCab. Powercab This is a complete DCC system in a handheld unit.
The unit needs to be plugged in for power and to transmit its signal to the rails.

My idea is to take the Tamvalleydepot DSR1 transmitter and install it inside the PowerCab hand held and power the hand held with a battery pack. Now you have a complete wireless DCC system in you hand.

Add a tamvaleydepot Rx into your loco and you have a wireless DCC system. Add a battery to the loco and you have Feerail system with or without sound, and all the advantages of DCC advanced motor controls, back EMF, consisting, etc. 




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 Posted: Fri Oct 2nd, 2015 11:29 pm
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Simon Dunkley
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This has, I believe, been done already, with power provided to the handset with a 9v battery.



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 Posted: Sat Oct 3rd, 2015 01:11 am
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Kelly R
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Any more info or a link?

I asked about it in the NCE yahoo group about 6 months ago and after some debate the answer was yes.  I left the group a short time after because of the attitude and I had pulled my layout down so no longer needed the info.

It seems like a simple solution if you already own the PowerCab

Simon Dunkley wrote: This has, I believe, been done already, with power provided to the handset with a 9v battery.



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 Posted: Sat Oct 3rd, 2015 01:35 am
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NevadaBlue
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Thanks Kelly and Simon for the additional info. :2t:



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 Posted: Sat Oct 3rd, 2015 09:23 am
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Simon Dunkley
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I will try to re-discover the link but essentially you can simply wire up a short cable which is connected to the 9v battery (power in) and the transmitter (signal out), and attach them to the rear of the PowerCab.

Two downsides: this is a little bulky and you will not be able to have any other throttles - OK for a home/solo operator.



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 Posted: Sun Oct 4th, 2015 12:54 am
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W C Greene
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I just don't know...this seems like things are getting mui complicado at least for this old dinosaur. What happened to "turn the transmitter on then turn the receiver on then RUN the locomotive" ??? Oh well, I guess I will just get back in my cave and run a train..with old fashioned r/c and explosive li pos.

The original Outlaw troublemaker



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 Posted: Sun Oct 4th, 2015 02:52 am
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Kelly R
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I have no problem with lipo's... I fly a 2 meter R/C plane that runs on 10s 5000 maH lipo packs with a motor pulling 90 amps.  I get about 10 minutes of flight time.

The problem I have with the current R/C train speed controllers are the fact that we give up a lot of features found in the more advanced DCC motor controllers such as back emf, v start, motor frequency adjustments, consisting, and sound.



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 Posted: Sun Oct 4th, 2015 08:15 am
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davecttr
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W C Greene wrote:
I just don't know...this seems like things are getting mui complicado at least for this old dinosaur. What happened to "turn the transmitter on then turn the receiver on then RUN the locomotive" ??? Oh well, I guess I will just get back in my cave and run a train..with old fashioned r/c and explosive li pos.

The original Outlaw troublemaker


I might not phrase it the same but I have similar thoughts myself!. Reading the various forums I get the impression that, for many, the technology seems to be more important than just running trains. In other words, the trains are an excuse for playing with the technology.



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 Posted: Sun Oct 4th, 2015 08:25 am
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davecttr
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Kelly R wrote:
I have no problem with lipo's... I fly a 2 meter R/C plane that runs on 10s 5000 maH lipo packs with a motor pulling 90 amps.  I get about 10 minutes of flight time.

The problem I have with the current R/C train speed controllers are the fact that we give up a lot of features found in the more advanced DCC motor controllers such as back emf, v start, motor frequency adjustments, consisting, and sound.

BP/RC is still way better than good old DC though!. As for the rest we have motor frequency adjustment already, back emf means designing a new receiver, V start might be doable in software? Sound? not for me, i play music while playing trains and the sounds are not like i remember real steamers anyway!. Then we have consisting, i am already double heading a couple of locos without any apparent problems. Double heading appears to be trickier with BPRC than DCC but my experiments are difficult because i do not have a DC layout for initial testing or any sophisticated testing/data logging equipment to find out what is really going on with the various items of equipment.



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