Oli Allen's blog
I’ve put together a working semaphore signal for my garden railway. The arm raises when a train passes and resets once it’s gone. It’s not prototypical to any real signal, but it works, it looks the part, and it was a satisfying little project. The Basic Idea The system is simple: When the train clears…
This is the setup I’ve been using for an Android GPS Sat-Nav setup. In use on my bike but would work just as well in a car. Device – Samsung Galaxy S7 An older model but still very functional and now available used on eBay for £30ish now, cosmetic condition not important as it’ll be…