Difference between revisions of "Line follower"

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[[Image:Line_follower_11.jpg|500px|right]]
[[Image:Line_follower_11.jpg|500px|right]]
A line follower built for as part of an electronics course. Design and construction is done from scratch.
A line follower built for as part of an electronics course. Design and construction is done from scratch.
Consists of elements from analog sensing, digital logic, and driver circuits.


== Bill of materials ==
== Bill of materials ==

Revision as of 19:29, 14 May 2010

Line follower 11.jpg

A line follower built for as part of an electronics course. Design and construction is done from scratch.

Consists of elements from analog sensing, digital logic, and driver circuits.

Bill of materials

  • 1 L293D motor driver
  • 5 QRD1114 IR LED and Phototransistor sensor
    • Or, 5 LED red
      • 5 SD5443 phototransistor
  • 1 BC546B BJT transistor
  • 2 GM8 motor and wheel kits
    • GMPW Deal
  • 2 GMB28 GM8 gear motor bracket
  • 1 RE210-S1 Protot.card 100x160
  • 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

Photo gallery