Peter's Model Railroading | My Library | Magazine Authors
Magazine Articles By Bob Kendall
A Power Supply For Micro Lamps
Magazine:
N-Scale 2003-03/04
Page:
33
Category:
Electronics
Two solutions to powering 1.5 Volt micro lamps. One uses a collection of diodes to reduce the voltage to the lamps (with support for a limited number of lamps), and a full-blown regulator supply that can handle a predetermined number of lamps.
Blinking Barricades
Magazine:
N-Scale 2000-07/08
Page:
50
Category:
Electronics
Scale:
N
This article shows, in great detail, how to construct a scale barricade with a blinking LED. Also includes information about making some changes to the circuit to obtain different results.
Coil Saver
Magazine:
N-Scale 2003-07/08
Page:
36
Category:
Electronics
Building a circuit that will protect the coil switch machine from being fried by an operator who pushes the button too long. The article includes photos and schematic drawings.
Components Part IIIa
Magazine:
N-Scale 2003-01/02
Page:
33
Category:
Electronics
Covers various switches (toggle, slide, etc.), relays, SCR (also known as triacs), transformers, and optical devices (such photocells, IR LEDs). Includes a diagram for wiring up a DPDT toggle switch which can be used to reverse electricity, and a diagram for controlling relays using transistors.
Electronic Workshop
Magazine:
N-Scale 2006-07/08
Page:
52
Category:
Electronics
Turnout position indicators. Various solutions to the same problem. Covers stall-motor switch machines. Lots of schematics, and a parts list.
Electronics For Model Railroaders 101 Part III
Magazine:
N-Scale 2002-10/11
Page:
60
Category:
Electronics
Description of typical electronics projects components. Standard resistor value chart.
Electronics For Model Railroaders 101 Part IV
Magazine:
N-Scale 2003-05/06
Page:
34
Category:
Electronics
Dealing with 110 volt components.
End-of-train Device
Magazine:
N-Scale 2000-09/10
Page:
38
Category:
Electronics
Scale:
N
This article shows how to install an end-of-train device in a boxcar. An on/off switch and battery power the LED.
Kids and Model Railroading
Magazine:
N-Scale 2002-10/11
Page:
42
Category:
Model Railroads and People
Layout Lighting
Magazine:
N-Scale 2002-07/08
Page:
56
Category:
Electronics
The author describes how he built a control panel to control the structure lights on his layout.
Level Crossing Bell
Magazine:
N-Scale 2004-03/04
Page:
41
Category:
Electronics
Scale:
N
Using a conventional door bell as the ringer for grade crossing warning signal.
New Life for an Old Power Pack
Magazine:
N-Scale 2002-03/04
Page:
40
Category:
Electronics
Converting the AC output of an old hobby transformer into a quality 12-volt DC power supply with just a handful of parts.
Preparing Structures for Interior Lighting
Magazine:
N-Scale 2002-11/12
Page:
53
Category:
Electronics
Methods of lamps, installation, and leak detection.
The Electronics Workshop
Magazine:
N-Scale 2006-05/06
Page:
23
Category:
Electronics
When building a large number of identical electronic components, taking the time to build a tester is worth it. The author needed 44 capacitor-discharge controllers for his yard's turnouts, so he built this tester. Includes diagrams and parts list.
The Electronics Workshop Part 11
Magazine:
N-Scale 2005-11/12
Page:
25
Category:
Electronics
This installment covers how to do troubleshooting.
Track Tester
Magazine:
N-Scale 2005-07/08
Page:
22
Category:
Electronics
A simple device that verifies track power, polarity, and whether or not there's a short. One light will light up indicating that the rail directly under it is the positive rail. Disconnecting power to the track, and flipping a switch on the device will allow it to test against a short. Another light will light up in the case of a short. Parts list and diagrams are included.
Turnout Position Indicator
Magazine:
N-Scale 2003-11/12
Page:
50
Category:
Electronics
Various ways to display the current position of a turnout.
Turnout Testers
Magazine:
N-Scale 2005-09/10
Page:
22
Category:
Electronics
The author describes how he built several testers for testing solenoid-operated turnouts. One is a switch machine tester, and the other is a turnout continuity tester. Schematics and parts lists are included.