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Temperature-Controlled Signal
This simulation makes an indicator flash 10 times when the temperature rises. The microcontroller, flowchart and associ… full details...
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Machine Room Failsafe
This demonstration investigates a practical application of a relay in a circuit that ensures there is no unexpected star… full details...
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D-Type Counter and Divider
This demonstration uses a circuit to show how a D-type flip-flop can count in binary and divide. The voltage is plotted… full details...
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Fastest Finger First I
A practical application of relays is explored. A simple circuit uses two relays and switches to operate bulbs. When on… full details...
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Fastest Finger PCB
This is an activity to show students how to convert their Fastest Finger circuit board to printed circuit board artwork… full details...
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Lie Detector PCB
This is an activity to show students how to convert their Lie Detector circuit to printed circuit board artwork, and in… full details...
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Bike Alarm PCB
This is an activity to show students how to convert their Bike Alarm circuit board to printed circuit board artwork, an… full details...
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Traffic Lights III
This activity asks the student to draw a circuit from a diagram to model traffic lights. It uses a PIC to control the li… full details...
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The Transistor Switch
This demonstration revises the operation of potential dividers and transistors. The circuit uses an LDR, a variable res… full details...
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NAND Equivalents
This demonstration uses pairs of circuits to show that NAND gates can replace NOT, AND, and OR gates. The demonstrator … full details...