CIRCUIT SCRIBE Circuit Scribe Light Sensor free-shipping eliminating the need for an

eliminating the need for an external power adapter

As experienced importer specializing in traditional handmade Thai products

the indicator light will always be blue to indicate the working status

read a book

Photosmart 7960w

CIRCUIT SCRIBE Circuit Scribe Light Sensor free-shipping eliminating the need for anThe Light Sensor circuit module contains a photo transistor sensor that of course responds to light! The more light you shine on the photo transistor unit (the tiny clear box on the module) the larger the output. These simple light circuit modules let you use light to control output modules like LEDs and Buzzers. Note: Not in retail packaging spare parts only