First of all, I start off with repeating a few things. Letting a LED blink, switch it on and off with a button, as well as influence its blinking speed.
LED blinking:
Switch:
Here I tried to imitate a switch:
Using the ping sensor with one LED:
... with two LEDs in series.
PING sensor with Piezo buzzer:
... even the dog likes it.
Which sensors would be useful for my project?
Photocells measuring the light
Ultrasound sensor (PING Range Finder
Simple buttons (Contacts)
Microphone
Potentiometer?
Which kind of reactions could be done by the pumpkin?
Certain noise when moved and contact is interrupted (simple buttons)
Light change when coming closer possibly demonstrated by using a piezo buzzer
Light change depending on light intensity around
Possibly a tongue showing or turning eyes...
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