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Quiz Buzzer Project Kit

5.45
Exclusive to Kitronik
Teaching Notes
Key Stage 4
Beat your Quiz opponent to the buzzer first. This Quiz Buzzer Project Kit signals who was quickest by sounding the buzzer and lighting the appropriate LED.

Availability: In Stock.

Code1+ 5+ 50+
2116£5.45
(£6.54 incl VAT)
£4.15
(£4.98 incl VAT)
£3.75
(£4.50 incl VAT)
OR

Two people (or two teams) can use the quiz buzzer to show who pressed their button first. When the button is pressed the buzzer sounds and either the red or green light is illuminated to show who was fastest.

This project is brilliant for demonstrating a wide range of electronics. It uses push to make & push to break switches, thyristors as latches, transistors, logic gates, LEDs & buzzers.

Features:

  • Audio and visual indicator.
  • Demonstrates a wide range of electronics.

Contents:

Dimensions:

  • PCB Length: 59.5mm.
  • PCB Width: 43mm.

Requires:

Resources:

This kit is supplied in a grip seal bag.

Free samples:

Teachers can order a sample of this kit (one per school) here. You will need to select the kit from a list of all the sample kits; the stock code for this kit is 2116.
Note: this service is only offered to schools for evaluation purposes only.

Buy British:

 This kit is designed and manufactured in the UK by Kitronik.

Physical characteristics:

  • PCB Length: 60mm.
  • PCB Width: 43mm.
  • PCB Component Count: 19.

Electrical characteristics:

  • Voltage Nominal: 4.5V.
  • Voltage Range: 3V - 6V.
  • Standby Current: 0.04mA.
  • Current Max at Nominal Voltage: 10mA.
Quiz Buzzer demo
Video Quiz Buzzer Project Kit Demo
Quiz Buzzer Project Kit demo video.
Ask Kitronik Thyristors
Video Thyristors
A video about thyristors taken from our Ask Kitronik Live event 2012.

Questions:

Posted by Tim, Wednesday, 1 October 2014 on product Quiz Buzzer Project Kit

Question:

Can you join two kits together to facilitate 4 teams? i.e. retain the functionality of being clear who buzzed first. If so, what would you need to do / buy extra beyond the two kits to facilitate please?

Answers:

  • Posted by Aaron Sturman on Wednesday, 1 October 2014
    Unfortunately it would take a different circuit to do that. There's not a simple way to connect two of these kits together to achieve what you're after.
Posted by Keith Jenkins, Wednesday, 2 July 2014 on product Quiz Buzzer Project Kit

Question:

I am not sure if this is possible but instead of two contestant switches could i connect two sensors (LDRs). These would be permanantly lit (shorted) and go open when the light was interupted. I only ask as I noticed you sell light / dark switches.

Answers:

  • Posted by Aaron Sturman on Wednesday, 2 July 2014
    Put the LDRs into where R1 and R5 are marked on the PCB Put the two resistors R1 and R5 into the slots where the switches should go. You might need to experiment with the values of R1 and R5 the resistors to get the sensitivity you require.
Posted by Natalie Nicholson, Tuesday, 24 June 2014 on product Quiz Buzzer Project Kit

Question:

Is it possible to strip the kits of solder and reuse them? I would like to be able to do this with a large number of students but could not afford to buy new kits every year.

Answers:

  • Posted by Aaron Sturman on Tuesday, 24 June 2014
    You can with solder mop and solder suckers if you are careful. Each time you do this though you risk taking a pad off the board and each time the PCB will get messier. If you are really careful and have a lot of experience you might damage 1 in 10 kits. If you haven't done much soldering before you might damage 1 in 3 or more. You can probably re-use some kits this way but i wouldn't say the kits are re-usable as they weren't designed with that in mind.
Posted by Chris Quinn, Wednesday, 27 March 2013 on product Quiz Buzzer Project Kit

Question:

Another question - is there a limit on the distance between push buttons and the PCB? I want to have about 10 feat of wire, to allow a University Challenge type match - two teams on opposite tables, with the quiz master in the middle. I would be using shielded audio type cable.

Answers:

  • Posted by Aaron Sturman on Wednesday, 27 March 2013
    The maximum allowable length of cable would depend on the resistance of the cable. If you have a data sheet for the cable you are using I could work it out for you. That said, 10 feet should be fine for most cable types.
Posted by Chris Quinn, Wednesday, 27 March 2013 on product Quiz Buzzer Project Kit

Question:

Can I power the circuit from a PP3 battery, or will 9v damage the circuit?

Answers:

  • Posted by Aaron Sturman on Wednesday, 27 March 2013
    9V would destroy the LEDs and upset the logic on the PICs as all the resistor values would need to change.

Need a question answering before you buy? Then ask our technical team.

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