 | | Re: Train sensors —Brian B. Alano
| | | | Reed switches have been used. One discussion: (URL) a discussion on various applications: (...) (21 years ago, 28-Aug-03, to lugnet.trains)
| | | | | | | | | | Re: Train sensors —Chris Phillips
| | | | | (...) have an 18-inch electrical lead and contain an internal resistor to protect the reed switch from excessive current in case it is inadvertently wired up to an RCX motor output. The sensor can be attached to the railbed of any straight piece of (...) (21 years ago, 28-Aug-03, to lugnet.trains)
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