Nightlight Cat Bracelet
WHAT WILL YOU MAKE?
In this project, you are going to make a cat bracelet that has a light sensor. This is the same type of sensor that is in a nightlight. This cat bracelet automatically turns on the lights in its eyes when it senses darkness.
Materials:
- Conductive thread
- Battery holder
- 3V coin cell battery
- 2 LEDs
- Light sensor (photocell)
- 2N3904 transistor
- 10M Ω resistor
- Felt sheets
- Clear nail polish
- Sewing needle
- Fabric glue
- Chalk pen
- Scissors
- Awl
- Needle-nose pliers
- Snaps
