Akihabara Station » circuit

LED Driver: First Test-Type Assembled

D.E. Goodman-Wilson — Wed, 10 Feb 2010 17:04:34 +0000

LED Driver prototype 1, fully populated.

Having recevied my PCBs, all that remained was to assemble the parts onto one and test it. Assembly took a couple of hours, but that’s because I was being careful at each step. I can now say that I am pretty comfortable soldering SMD components; having a [...]

LED Driver: Custom Circuit Boards

D.E. Goodman-Wilson — Mon, 01 Feb 2010 14:36:40 +0000

The boards I received in the mail, about two inches long by one-and-a-half wide.

I built a prototype. Then I designed a PCB. This weekend I received a set of my very first custom-designed circuit boards. It’s quite a thrill to hold an item manufactured to your own specifications. Best of all, I [...]

Doing Things the Easy Way

D.E. Goodman-Wilson — Tue, 10 Mar 2009 13:34:31 +0000

Breadboard circuit

After success building circuit described here on breadboard, I began construction of something more permanent this past weekend. But, as I did so, two events conspired to frustrate my efforts. First was the discovery, thanks to a member of the JNSForum, of the Lenz LF101XF function decoder, which does precisely what [...]

DCC and End Cars: The No-Cut Conversion

D.E. Goodman-Wilson — Sat, 27 Dec 2008 17:17:13 +0000

OSHI25-901 circuit board

This is the lightboard from the OSHI 25-901 dining car from the Tomix 92950 “Yumekukan” set. This board sits in a fitted pocket in the galley of the dining car. There are three SMD LEDs (the three white boxes on the left); three long lightpipes run from the LEDs to [...]