STEM (structure)

What does IR mean?

why are there 2 sensors in IR sensor?

• both send IR signal

• White senses white surface,

  Black senses black surface

• White send IR signal and Black receive the signal coming back

• Black send IR signal and White receive the signal coming back

Is touch sensor input or output?

• input

• output

• none

what does CDS sensor do?

• sense infrared radiation

• sense light and dark

• sense object

is RC receiver input or output?

• input

• output

what is that port for?

• Touch sensor

• IR sensors

• Mortors

• Rc reciever

1 and 2, which is the output and which is the input?

• both

• 1 input

  2 output

• none

• 1 output

  2 input

What are these switches called?

• ON/OFF

• channels

• modes

How many channels are there in STEM?

• 2

• 4

• 6

• 8

What is the degree to which a SERVO motor can rotate/turn?

• +90,0,-90

• +90,0,+180

• 360

• +180,0,-180