AQA GCSE Design and Technology · 8552
Paper 1
Revise: InputsA sensor detects a physical condition, such as light or temperature; a manually operated switch lets a user give an instruction.
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GCSE Design and Technology · key term
A component that opens or closes electrical contacts to interrupt or complete a circuit path.
Used by AQA
Paper 1
Revise: InputsA sensor detects a physical condition, such as light or temperature; a manually operated switch lets a user give an instruction.
Distinguish an FSR’s changing resistance from a pressure switch’s open or closed contacts.
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