Pinehill Posted August 14, 2019 Share Posted August 14, 2019 Has anybody got any suggestions or is using or come across something suitable to detect when a loco, wagon or train has passed a certain fixed point & giving an indication in the form of say an LED? Due to the scenic end of my layout a little hidden as it enters the fiddle yard I would like to see an indication when the end of the train, loco or wagon has got to that point. I guess an LED could be lit all the time but goes out when something goes past a sensor or alternatively lights up when something is detected. Link to post Share on other sites More sharing options...
Dungrange Posted August 14, 2019 Share Posted August 14, 2019 If you are looking to monitor a particular position rather than movement, then some form of infra-red detector would seem to fit the bill. Something like the IRDOT from Heathcote Electronics - https://www.heathcote-electronics.co.uk/how_infra_red_model_train_detection_works.html. Effectively an infra-red beam is broken when something passes over it and the LED lights up. 1 Link to post Share on other sites More sharing options...
michaelp Posted August 14, 2019 Share Posted August 14, 2019 Or this from Blocksignalling http://www.blocksignalling.co.uk/index.php/train-detector-bod2-ns Link to post Share on other sites More sharing options...
MartynJPearson Posted August 14, 2019 Share Posted August 14, 2019 (edited) If you are happy soldering up some albeit fairly simple circuits, MERG do a range of "Pocket Money Project" kits. Although you need to pay for membership, if you buy a few kits at just a pound or two each then you soon end up ahead. They do a couple of sorts which I have used to good effect - either a laser beam (similar to the Heathcote Electronics IR but with a laser), and a DCC track occupation sensor. I've used both, both kits are easy to make and work very well. Edited August 14, 2019 by MartynJPearson Pooor tryping Link to post Share on other sites More sharing options...
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