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Dr_C

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Dr_C

297 posts

This looks bad... did it genuinely happen while the powerbase was being used correctly?

It would be helpful to understand the precise set-up conditions which caused the failure... please...

For example, was the correct Scalextric power supply unit (PSU) being used and was it the version with the correct voltage rating for the country of use? was more than one powerbase in play? had the powerbase or wired controllers been modified in any way?

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Dr_C

297 posts

kThe project to demonstrate use of an ARC PRO powerbase in a four lane race configuration will be taking shape over the summer... for anyone who is interested I plan to describe progress at this link address...

https://www.slotforum.com/forums/index.php?showtopic=190379&p=2254731

This not intended as a project to try at home... it would for sure invalidate the manufacturers warranty and unless carried out correctly could be unsafe...

Most of all I hope the project will demonstrate the amazing performance and clever design of the ARC PRO system... and potential options for future developments...

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Dr_C

297 posts

Yepp, i started my return to the hobby with an ARC ONE upgrade kit, then the ARC AIR then the ARC PRO - all three are great fun, and it gets even greater fun as you go... IMO. The ARC ONE brings a great added dimension to analog racing with an advanced race management app... I still enjoy mine and recently bought some new wired hand throttles as a bit of a further upgrade... enjoy the new set-up and... I hope you enjoy teaching soldering skills to your daughters as much as I have over the years with my children... enjoy :)

 

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Dr_C

297 posts

Just checking, did you buy the ARC ONE (analog with tablet race management app) or the ARC PRO (digital/analog modes, tablet race management app and wireless throttles)? If you bought the ARC ONE it is indeed a great analog powerbase but doesnt require digital chipped cars. 

If you bought the ARC PRO this opens up opportunities to race up to six cars... all of which need to be digitally chipped. Digital Plug Ready (DPR) cars are very easy to digitise. Non-DPR cars need some basic soldering skills and the purchase of the retrofit C7005 in-car decoder/module. If required, it is actually quite fun and rewarding to learn how to fit these... with lots of online help material to learn from...

Hope this helps,

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Dr_C

297 posts

Hey Hammerline, big thanks for your support for this project idea and your interest in wanting to build and test your own ARC based 4 lane system. I will share progress on this project either here or on slotforum.com but whichever site I use I will cross-reference with hyperlinks.

 

In terms of system development, I have the support of fellow slotracers in Scandinavia... and I have committed to share a first version for testing. I am working on this hardware/firmware solution at present. Later in the summer I hope to have upgrade parts designed. Perhaps that would be the time to bringyour soldering iron into play.

 

And just to add... the hardware/firmware requirements I am working on are:

1/ Additional power regular (5V) which is integral to the ARC PRO and which draws on the 15V dc input and which has its own overload protection circuits.

2/ A PIC16F1619 microcontroller which combines all the lane sensor signals and  re-times these signals to avoid data collisions or ambiguities.

 

Again, many thanks for your interest and please keep in touch, your 4 lane digital race evenings sound great :)

 

C

 

 

 

Dr_C

297 posts

@gorp

It would be far easier to do the riko arc pro mod pinned at top of sf scaly digital forum, to make a true digital powerbase out of the arc pro.

Then use a pair of pitlanes to go from 2 to 4 lanes.

Did this long ago with the powerbase pro and found most people really wanted only 3 racing lanes,

which was a lot less expensive when adding track.

Interesting approach... but I guess it depends what solution is being sought... for anyone wanting a three or four lane digital track, and who is happy with a two lane start-finish chicane... the above is an innovative and practical approach. However, if you want a four lane start-finish with options for pit lanes to straddle the start-finish line... which is probably more of a club-type set-up rather than a small home setup... then a more advanced solution is needed... that is what I am looking into :)

 

So perhaps a case of horses for courses...?

 

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Dr_C

297 posts

Hi JDavid, interesting... my packaging too shows the DPR symbol on the display box of my black DB5 and not on the display case of my red DB5. It is clearly a printing error. Both cars have the same mid-chassis motor position so there is no space in this DB5 design for a standard DPR hatch. As mentioned earlier, the retrofit C7005 decoder can be fitted and these cars do run nicely wen modified for digital trackS. So it is indeed worth the effort IMHO.

 

From memory the Scalextric website has always shown the DB5 features correctly for both black and red DB5s.

 

Meanwhile, if you need digital mode I would recommend fitting the C7005 decoder. If you are unhappy attempting this yourself there are a number of members of the slotforum.com community who I am sure could help you.

 

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Dr_C

297 posts

https://www.slotforum.com/forums/index.php?showtopic=22159&p=2150578

 

I would recommend using a C7005 retrofit decoder... I fitted mine under the drivers seat... just a few wires to solder together... and 3mm hole to be drilled in the underpan in front of the motor... job does need a bit of care but generally not too hard :)

 

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Dr_C

297 posts

Hi Hammertime,

 

Great questions... but I am sorry to report I believe It is not as straightforward as was the case for thefour lane APB (C7042)...

 

I am working on a microcontroller interface which reads eight sensors across four lanes and sends the correct signals to the ARC PRO sensor input channels... of which there are four.

 

Design considerations include:

 

1/ sensors cannot be simply connected in parallel as was the case for APB. This is because the ARC PRO sensors include a blade detect feature which would in this case permanently block all signals.

2/ the pit exit sensors are integral to the lap measurement algorithm for the Scalextric ARC app... with the app needing to know the sequence by which cars pass the S/F sensors for a given lane. Running two lanes through the same sensor channel is likely to confuse this sensor reading algorithm. Here interestingly the Magic app uses a different method/algorithm which uses a timer delay instead of the exit sensors to avoid double counting of laps. So technically the Magic app is easier to adapt for 4 lane applications than the Scalextric app.

3/ the simple APB approach can of course miss laps if two cars pass the S/F line neck-to-neck. This can be corrected if careful sequencing of the sensor pulse streams is implemented.

4/ many users also want a pit lane which straddles the S/F lane too.

 

The design I am working on uses a microcontroller interface to address all four above considerations... in particular I am keen to provide a solution which will work with both Scalextric ARC and Magic apps.

While I am working on a robust full system solution... there is a potential short cut... a few logic gates as interface between the sensors and the powerbase and then... use the Magic app only.

 

I hope this helps....

 

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Dr_C

297 posts

Great news Phil5150... you have the setup sorted :) and if you ever want to return the two powerbases to standard configuration you can just reconnect the snipped wires....

 

Great result and I am sure well worth the effort....

 

C

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