Quiz Buzzer Project Kit

StampyTools Verified independent store

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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 illumina ted 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.1 x Quad 2 Input AND Gate (4081B)1 x Quad 2 Input OR Gate (4071B)2 x IC Socket 14 Pin2 x Miniature Push to Make Switch, Red1 x Miniature Push to Break Switch, Black1 x Red 5mm Diffused LED - 275mCd1 x Green 5mm Diffused LED - 35mCd5 x 10K Resistor2 x 220R Resistor2 x 2N5061 Thyristor1 x BC547 NPN Transistor1 x Piezo Buzzer (with Drive)1 x PP3 Battery Clip Lead (Heavy Duty)1 x 3xAA Battery Cage with Clip1 x Quiz Buzzer PCBFootnotesRequires; 3x AA Batteries, Soldering Iron, Solder, Wire cutters, Wire strippers Show more