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My Photos My Model Railroad Electronics and Controls Electronic Circuits

Electronic Circuits

This album contains photos related to my work designing and constructing the circuits and circuit boards needed to control train operation and to produce electronically controlled or created scenic effects.

Date: 04/10/2008
Size: 30 items
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Crawler - MkI
 

Crawler - MkI

This is the etch mask for my first Crawler circuit

Date: 04/10/2008
Views: 44
 
Crawler Control Panel Test Box
 

Crawler Control Panel Test Box

I constructed this box to test Crawler circuits.

Date: 04/10/2008
Views: 42
 
Finished Crawler Throttle - Mk I
 

Finished Crawler Throttle - Mk I

This is the completed Mk-I throttle ready for testing.

Date: 04/10/2008
Views: 47
 
Mk-I Throttle with Fan
 

Mk-I Throttle with Fan

I added the fan to be sure the power transistor didn't overheat.

Date: 04/10/2008
Views: 44
 
Testing the Mk - I
 

Testing the Mk - I

The test box and throttle circuit are hooked up to test.

Date: 12/05/2007
Views: 63
 
Control Panel PCB Schematic
 

Control Panel PCB Schematic

A small pc board is needed to interface with the throttle circuit

Date: 10/30/2008
Views: 49
 
Crawler - Mk VI
 

Crawler - Mk VI

This is the first successful Crawler I built.

Date: 04/14/2008
Views: 60
 
Crawler - Mk VII
 

Crawler - Mk VII

This is the design for my Crawler circuits that I settled upon, finally

Date: 04/14/2008
Views: 63
 
Crawler - Mk VIIA
 

Crawler - Mk VIIA

This is the etch mask for the basic Mk VII throttle

Date: 04/14/2008
Views: 61
 
CrawlerThrottleSchematic
 

CrawlerThrottleSchematic

Schematic of the Installed Crawler Throttle Circuits

Date: 03/05/2009
Views: 53
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