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Posts Tagged ‘volts’

So we’ve got our robot moving in different directions and now we need it to move to the directions we want which is away from walls. We do this using Phototransistors which is sort of similar to a Light Dependent Resistor (a component that changes resistance due to lighting) except Phototransistors actually use infra-red and have two components, the emitter and detector. The emitter well emits the infra-red (which we can’t see) and the detector detects how much of that infra-red is coming back.

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