PolicyHackadayabout 3 hours ago
Fixing a 1990s LEGO Electric Train Speed Regulator
2 min read
A failed Fairchild KA317 voltage regulator caused the LEGO 2868b Electric Train Speed Regulator to stop working. The repair involved swapping the TO-220 package component, which functions like an LM317T, restoring the 1990s-era controller to full operation.
Level
Hype check
Tap to vote and see what everyone thinks.
Summary by ByteBrief
