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Light Activated Switch Kit

SKU 250-388 Category

Light Activated Switch Kit


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This kit acts as an automated on/off switch, detecting brightness using an LDR. Suitable for KS3. This light activated switch can be used to control other electronic circuits, turning them on automatically when it goes light or dark. Projects could include a garden light which comes on at night, or an alarm which goes off when a drawer is opened.
Operating voltage 3V to 12V (lower voltages allow for better adjustment of the switching point).