Bidirectional Visitors Counter Kit Using 4026 and 555 Timer IC

Components in the Kit

For IR transmitter Circuit

• 9-0-9 0.5A Transformer: 1
• 555 Timer IC: 1
• IR LED: 1
• 7805 voltage regulator: 1
• 1N4007 diode: 2
• Resistors
  • 22K: 1
  • 100 ohm: 1
  • 10K potentiometer: 1
• Capacitors
  • 1000uf 25v: 1
  • 0.1uf: 2
  • 0.01uf: 2
• Breadboard connecting wire: 4M
• 9V battery with snap connector: 1

For IR Receiver Circuit

• 4026 IC: 2
• 1738 TSOP: 1
• 7805 voltage regulator: 1
• 7 segment display common cathode: 2
• 2 pin push button: 1
• Resistors
  • 100 ohm: 1
  • 10K: 2
• 47uf 25V electrolytic capacitor:n1
• Connecting wire: 4M
• 9V battery with snap connector: 1

Note: Download the manual from here: Simple Low-Cost Bidirectional Visitors Counter