1) what is line following IR sensor? a) An infrared sensor is an electronic device b) An robot sensor c) LED switches d) LED robot design 2) what LDR stands for ? a) light dependent robot b) line dependent resistor c) Light dependent resistor d) line dependent robot 3) the lesson included science, mathematics and technology engineering a) True b) False

Mounting sensors and switches to a robot design

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選項

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