this box reveals its secret message with light when activated by rotating the cylinder handle.
duration 45 minutes
the light sensor triggers the LEDs which make the message shown.
components we used
the teknikio light sensorboard is the easiest way to activate your projects with light level.
blue star-shaped sewable LEDboard.
used recycled materials
find materials at home. be creative!
Let's make a Secret Message Box
What you'll need...
1x Star LED
1x Coin cell battery
1x Light Sensorboard
Some conductive tape
A recycled soda can
fold and glue piece A into a box.
fold and glue piece B into a small pocket, and then glue it on to piece C.
Glue the pocket and screen inside the front face of the box
measure the can and prepare a piece of paper that can wrap around it.
measure the can and prepare a piece of paper that can wrap around it
arrange and glue the components on the paper and connect them with conductive tape.
wrap and glue the paper around the can.
insert the can through the hole on the box.
make sure the light sensor is facing the hole in the back while the LED Board is facing the screen.