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LEGO Power Function Motor Controller
Components
• 9v Power Adapter• 1803BK 1803B DC motor speed controller (2 pack)• LEGO PF Extension Cable
Directions
1. Cut off the end of the AC Adapter, discard2. Cut off 6 more inches, save3. Cut the PF extension cable in half4. Strip all exposed wires5. On the first board, screw center PF ext. wires to Motor + and Motor - terminals6. Screw outer PF extension, AC adapter cable and 6" cable to Power + and Power - terminals (mind the polarity)7. Repeat with other board
Equipment
• Small Flat-head Screwdriver• Wire Stripper
GND
C1
C2
9V
Power -
Power +
Motor +
Motor -
Power -
Power +
Motor +
Motor -
Power -
Power +
Motor +
Motor -
Power -
Power +
Motor +
Motor -
GND
9V
GND
9V
C1
C2
Schematic