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(Guest)    J&C Studios O Gauge Archive    LED Lighting    School Bus LED lighting - Headlights, Flashers, Interior
 
 
 
 
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Topic: School Bus LED lighting - Headlights, Flashers, Interior
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stan
Joined: May 18, 2008
Topics: 10   Replies: 15
posted on Nov 24, 2010 10:24 AM:
My Archive Category  

The closest model of a conventional school bus I've found for 1/48 is the Sunnyside 9852. The 1/48 Circuscraft sitting children figures fit OK.




3mm white LEDs for headlights:




3mm white LEDs on the ceiling for interior lighting:




red and amber 0805-sized surface mount LEDs pressed against the upper flasher front and rear lenses:




I should have made this externally controllable with control wires to trigger the action, but it is just an on/off switch powered by one AAA battery which is all that would fit under the seats. The 1.5V is stepped up using a boost regulator to about 4V which is needed for the white LEDs. The guts are fairly involved as DIY hobbyist projects go requiring programming of a microchip and fabrication of a circuit board to cram in all the parts:




Some other add-ons are engine sounds and children laughing, and a swinging stop sign synchronized when transitioning from amber to red flashing.

Click here for
short video of the school bus in action
 

   

JohnBoy
Joined: May 14, 2008
Topics: 81   Replies: 512
posted on Nov 24, 2010 08:47 PM:
My Archive Category  
My Website  

You never cease to amaze me with how much you can cram into the smallest spaces. This has got to be coolest school bus in O-gauge!

John
 

   





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