Electronic Circuits
- Rob Paisley offers detailed instructions and circuit diagrams for many model railroad electronics on his website: http://home.cogeco.ca/~rpaisley4/CircuitIndex.html
- Armadillo & western RR - DCC circuits, Throttles and other goodies
- Saskatoon Railroad Modelers - Throttles and Walkarounds
- Oak Tree Systems Model Railroad & Electronics
- Interesting circuits and assembly techniques