bookmark light is a night lamp, also a bookmark, that lights up by placing a book.
duration 45 minutes
the light sensor triggers the heart LED when it's blocked by a book.
components we used
light sensor on the side detects if a book is on the stand
heart LED that shines pink light
made with recycle materials
ready to make a bookmark light?
1. Heart LED
2. Light Sensor
3. Battery Board
4. Coin Cell Battery
5. Paper Fasteners
6. Chocolate Boxes
8. Conductive Tape
9. Foam board or cardboard
1. Attach Components
Open up the chocolate box and lax it flat. Place conductive tape between components to outline your circuit. Take the light sensor and secure it in place using paper fasteners. make sure you connect to sense dark on the light sensor.
2. Finish the circuit.
Place the heart LED and batteryboard in position and secure them with paper fasteners. Test your circuit to make sure it is working. When you place your finger over the light sensor, the LED should light up!
Fold the chocolate box up and place it in the foam base. Try placing a book around it and adjust until it is balanced.