Bill of Materials

The laser pointer requires:

The sensor/motor circuit requires:

Making the laser pointer

Attach the red wire on the laser module to the red wires on the battery pack.

Attach the black wire on the laser module to the black wire on the battery pack.

Making the sensor/motor circuit

Connect the red and green LEDs, the light sensor, and the servo motor as
shown in the diagram below.

Sensor/motor circuit