Eduqas GCSE Design and Technology · C600
Component 1
Revise: Electronic Systems, Inputs and OutputsA motor and a solenoid are not interchangeable: a fan needs rotation, while a latch needs a straight movement. Similarly, a piezo sounder is useful for a simple alert but is not a good choice for clear speech or music. A loudspeaker needs a suitable driving signal, whereas an active buzzer can generate its own tone when powered.