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Fastest Finger First
This activity asks the student to construct a circuit from a diagram with three thyristors, each with an LED, in paralle… full details...
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Event Counter PCB
This is an activity to show students how to convert their Event Counter circuit board to printed circuit board artwork,… full details...
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D-Type flip-flop
This activity demonstrates how a D-type flip-flop can be built from logic gates. A D-type circuit is compared to another… full details...
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Inverting Amplifier II
This activity shows the op-amp being used as an inverting amplifier to amplify and attenuate signals. Students observe … full details...
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Back EMF
This model looks at four circuits demonstrating the voltage and current generated by a relay and the damage it can do. … full details...
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Bike Alarm
In this activity the student has to draw a circuit from a picture involving two 555 monostable chips, a bistable chip, p… full details...
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Comparator level Indicator
This model shows how op-amps in comparator mode can be wired up so that LEDs light in sequence. A graph tracks the volt… full details...
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Voltmeter
This activity uses a fairly complex circuit model to demonstrate how a voltmeter works. The circuit uses a variable vol… full details...
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Push-Pull Driver
The circuit in this demonstration uses two variable voltage supplies and four transistors to control a motor. It is sho… full details...
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The Thyristor III
The circuit in this activity demonstrates how a thyristor can be used to latch a signal. The user alters the voltage su… full details...