Introduction: Brushing Teeth Reminder
Remember to brush your teeth before sleeping!!!
This device reminds me to brush my teeth before I go to sleep.
LED light bulb
Alligator Clips with Pigtails
Various kinds of Wires
A clean box and paper
Step 1: Structure of the Device
Light Sensor: Senses is the light turned on or off and arranges by the coding (the rays of light).
LED Light Bulb: When the Light sensor senses the light, and the LED light bulb will flash.
Alligator clips with pigtails: Makes the LED light bulb extend, to reach outdoor.
Speaker: When the Light sensor senses the light, and the speaker will immediately let out sounds.
Step 2: Coding
Set up the light sensor, LED light bulb, and speaker.
Step 3: Make the Appearance
Take a clean box and a piece of paper. Put the circuit board inside the box.
Step 4: How It Works in Real Life
When I turn on the light, the "brushing teeth reminder" will ring and reminds me to go to brush my teeth instantly.
On the other hand, when I turn off the light, the reminder will stop.