Difference between revisions of "Line follower"

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* 5 QRD1114 IR LED and Phototransistor sensor
* 5 QRD1114 IR LED and Phototransistor sensor
** '''Or''', 5 LED red
** '''Or''', 5 LED red
*** 5 SD5443 phototransistor
*** Phototransistor
*** Phototransistor
* 1 BC546B BJT transistor
* 1 BC546B BJT transistor

Revision as of 20:09, 29 April 2010

Bill of materials

  • 1 L293D motor driver
  • 5 QRD1114 IR LED and Phototransistor sensor
    • Or, 5 LED red
      • 5 SD5443 phototransistor
      • Phototransistor
  • 1 BC546B BJT transistor
  • 2 GM8 motor and wheel kits
    • GMPW Deal
  • 2 GMB28 GM8 gear motor bracket
  • 1 Circuitboard
  • 1 9v battery connector
  • 1 LM2937 5v voltage regulator
    • Or, 7805 5v voltage regulator
  • 3 4071 Quad OR-gates
    • Or, 2 4072 Dual 4-input OR-gates
  • 1 4069 Hex NOT-inverters
  • 1 1N4148 diode small signal
  • 1 SWT1 SPDT Switch
  • x 10k Resistors
  • Or, RT20k 20k Multi-turn trimpot