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Tuesday, June 16, 2015

Hobby Bench - DIY DC Power Station - Part 2 (Final)

First an update from part one. I had assembly the enclosure wrong, which also reveal an error in the design, so I had to re-cut all but one piece.

Moving on to final part two.

I had to eliminate some of the excess power wires coming out of  the PC power supply and seal  them off for safety.





Mounted the power supply inside the enclosure.




Test fitted all front panel components




Next are the components and assemble PCB for the adjustable 1.5 (min volt) to 11.5 (max volt) dc output. Terminal blocks are for 12VDC (+/-) input and Adjustable VDC output. The two plug ports are for the 0-100VDC meter and 10k 20 turn Variable Resistor connections. I mounted this board inside next to the air flow intake grill.





 The remaining work is just a lot of wiring, soldering and termination of all panel components and power supply source wiring connections.




Here is the final product





 I followed the previously provide info in part one with three exceptions, the enclosure design to match the power supply I had on hand, adding the VDC meter and using mini-banana plugs.

Next project is to relocated the components of my portable DCC box into a bench top model with test/programming track. Here a photo of my portable setup.








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