Line follower

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Bill of materials

  • 1 L293D motor driver
  • 5 QRD1114 IR LED and phototransistor package
    • Or, 5 LED red
      • Phototransistor
  • 1 BC546B BJT transistor
  • 2 GM8 motor and wheel kits
  • 1 Circuitboard
  • 1 9v battery connector
  • 1 LM2937 5v voltage regulator
    • Or,7805 5v voltage regulator
  • 2 MC14001 Quad OR-gates
  • 1 MC14xxx Hex NOT-inverters
  • 1 1N4148 diode small signal
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