Quiz Project

Parts Required

  • resistors: 470 ×4, 1k ×2, 10k ×8
  • capacitors: 0.1µF ×4, 1µF radial
  • diodes: 1N4148 ×4
  • LEDs: 1 each red, green, yellow and blue, all 5mm diameter
  • 555 timer ICs (such as NE555) ×4
  • DIL sockets for ICs: 8-pin ×4
  • bleeper suitable for 9V
  • on/off switch
  • push switch ×5
  • battery clip for 9V PP3
  • 2-core cable such as ‘figure 8’, about 8 metres
  • stripboard: 10 rows × 50 holes

 


Stripboard Layout

Stripboard layout for quiz project 

 


Circuit diagram

Circuit diagram for quiz project

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