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GCSE Design and Technology · key term
A device or part of a microcontroller that converts an analogue voltage into a digital number that a program can process.
Used by Edexcel
Specification 1.7.3 · Paper 1
Revise: Processing Analogue InputsThe junction between them connects to an input with analogue-to-digital converter (ADC) capability. Not every microcontroller input has this capability, so the correct input must be selected from the chip’s pinout information.
Link the whole chain: changing conditions → changing sensor resistance → changing input voltage → ADC reading → programmed decision → output response.
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