External LED

if there's no load you'll have a shortcut

– (minus) is also called ground or GND

• Pin 13 to led anode (+)
• Led cathode (-) to resistor (~330 ohm)
• Resistor to GND

Analog input with LDR

Pitch follower

Assignment 1

Short poem with input and output

Submission

• Shoot a video
• Send a link to the video with a short description (WeTransfer etc) to otso.havanto@aalto.fi by 22.1.
• Find a battery operated electronic thing (a toy maybe?) by 29.1.