CS3+ S88 Arduino connection

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CS3+ S88 Arduino connection - Has anyone tried with success to attach and arduino to the S88 on CS3 via RJ48Plug/cabel?

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Tue Albertsen		#1 Posted : 26 March 2024 17:15:21(UTC) Retweet
Joined: 27/04/2022(UTC) Posts: 14 Location: Hovedstaden, Copenhagen		Hi All I have read a lot of topics about S88 connection to CS3 from Arduino. I'm looking for someone who can confirm that I can connect an Arduino nano at the end of my S88 chain via the RJ45 connector. I have no S88Link unit in the chain - just pure 60881 units. In case it's possible - how is the pin mapping? I have read the "Arduino used as an S88 occupancy detector board" at "Rudysmodelrailway" website but is still confused how the connection is done and if at all is possible to combine 60881 units with one or more arduino's at the same time. Best regards.. /Tue


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Ross		#2 Posted : 26 March 2024 22:08:38(UTC) Retweet
Joined: 25/09/2006(UTC) Posts: 872 Location: Sydney, NSW		Hi Tue/All, You may want to read the article below by Mike Jagoe. Arduino Based s88 Hope you find it useful.
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1 user liked this useful post by Ross		Tue Albertsen
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Tue Albertsen		#3 Posted : 27 March 2024 08:23:16(UTC) Retweet
Joined: 27/04/2022(UTC) Posts: 14 Location: Hovedstaden, Copenhagen		Originally Posted by: Ross Hi Tue/All, You may want to read the article below by Mike Jagoe. Arduino Based s88 Hope you find it useful. Hi Ross Thanks for your reply. It's a really good article, and he really solves some of the problems. But i'm stuck with a basic problem about how to "physical" connect the arduino to the S88 bus on my CS3+. If I used a CS2 or S88Link or ECoS it would be easier because the access to their S88 bus is not via an RJ45/PDS cable, but directly to named pin on the hardware. I haven't seen anyone do the the connection to an CS3+ S88 Bus. And that worries me. I'm also curious if I can mix the arduinos with marklin S88 units on the same unit (cable). Best Regards /Tue

1 user liked this useful post by Tue Albertsen		Ross
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PerR		#4 Posted : 27 March 2024 09:40:27(UTC) Retweet
Joined: 19/05/2014(UTC) Posts: 43 Location: Sjælland, Kirke-Hyllinge		Please note that the S88 bus on a CS2 is using 5 Volt and that the S88 bus on a CS3+ is using 12 Volt. I guess that 12 Volt on an Arduino will kill it. If you are using an Link88, you will have the opportunity to reduce the voltage on the S88 bus to 5 Volt. Link88 can be used for CS2, CS3 and CS3+ and is connected by mean of the CAN bus. Best regards Per

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Tue Albertsen		#5 Posted : 27 March 2024 11:45:55(UTC) Retweet
Joined: 27/04/2022(UTC) Posts: 14 Location: Hovedstaden, Copenhagen		Originally Posted by: PerR Please note that the S88 bus on a CS2 is using 5 Volt and that the S88 bus on a CS3+ is using 12 Volt. I guess that 12 Volt on an Arduino will kill it. If you are using an Link88, you will have the opportunity to reduce the voltage on the S88 bus to 5 Volt. Link88 can be used for CS2, CS3 and CS3+ and is connected by mean of the CAN bus. Best regards Per Thanks Per - I was (almost) aware of the difference in voltage. But do you hereby say that the only way to interface from Arduio is via the CAN bus through an Link88? Best regards /Tue


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PerR		#6 Posted : 27 March 2024 13:18:58(UTC) Retweet
Joined: 19/05/2014(UTC) Posts: 43 Location: Sjælland, Kirke-Hyllinge		It is not the only way, but if you are looking for an easy way of connecting an Arduino to a CS3+, then I will recommend a Link88. Best regards Per

2 users liked this useful post by PerR		marklinist5999, Tue Albertsen
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