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The Randall Museum in San Francisco hosts a large HO-scale model model railroad. Created by the Golden Gate Model Railroad Club starting in 1961, the layout was donated to the Museum in 2015. Since then I have started automatizing trains running on the layout. I am also the model railroad maintainer. This blog describes various updates on the Randall project and I maintain a separate blog for all my electronics not directly related to Randall.

2022-03-27 - Update

Category Randall

Recently I have been exploring my latest DIY experiment: a homemade “dead spot detection car”.

Click here to read the corresponding post for more details on this contraption.

Not a lot has been happening lately, at least nothing visible. I did an update on the Raspberry Pi controlling the automation wifi network, and I also revived one of the wyze cams that had gone unresponsive and offline again.

Finally I’ve been revisiting my plans to add more block detection on the Branchline as I plan to tackle that project shortly -- there’s a lot of planning that goes upfront here, and it starts by poring over the pictures of the electrical connection terminals, and trying to guess or decipher what is and isn’t there. I detected some inconsistencies in my Branchline track schematics.


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