LEGO SYSTEM Trains : 27861


Trains / 27861	27860 \| 27862

Subject:	Re: IR train base alternative
Newsgroups:	lugnet.trains, lugnet.parts.custom, lugnet.parts.mod
Date:	Mon, 25 Sep 2006 19:56:03 GMT
Viewed:	14674 times

In lugnet.trains, Ondrew Hartigan wrote:

To start I disassembled the train base by taking out the 8 extremely tight screws I then removed the circuit board and soldered on a diode bridge (bridge rectifier) in place of the 2 tin battery pack leads. Now basically what this means is no matter what the polarity is going into the IR unit, the voltage going into the circuit board remains the same. This protects the circuit board and makes it idiot friendly. =).

Ondrew, how did you handle the voltage drop through the bridge rectifier? Did you measure any top-speed dropout?

Curious, ---Will

Message has 1 Reply:

		Re: IR train base alternative
(...) i never really tested it to see what the drop was. i can't imagine it was much though. ondrew (18 years ago, 26-Sep-06, to lugnet.trains, lugnet.parts.custom, lugnet.parts.mod, FTX)

Message is in Reply To:

		IR train base alternative
Hey all, Well I’m at it again. This time I bring you something with more usability. As most of you reading this should know the Lego Company recently released 2 IR train sets. While the idea is great, the implementation left much to be desired. The (...) (18 years ago, 30-Jul-06, to lugnet.trains, lugnet.announce, lugnet.parts.custom, lugnet.parts.mod, lugnet.trains.org, FTX) !!

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