Turning Lights Off Reminder
The machine can remind you to turn off the lights when you leave the area.
Supplies
Photoresistor x1
Speaker x1
Lots of Wires
A Nice Box x1
Start Up With
Set up the speaker's tone to create a unique noise. Also, set up the Photoresistor, changing up the level of detecting light.
Structure of the Device
There are two main parts that make the whole device into shape
Photoresistor
Speaker
link them up with wires and you are good to go!
Design the Exterior and How It Operates
Full of wires for your children to play isn't a great thing, it will look unquestionably messy and also dangerous for kids.
With a box as the exterior can make your device more attractive and appealing.
The photoresistor detects light and will trigger the speaker. The speaker will then play the tone you created.