Vintage NOS DIY Electronics Light / Dark Relay Switch Schmitt Trigger Kit 79C - early 2000's


Sealed kit from early 2000's all parts and instuctions

This is a basic relay switch which is triggered either by falling or rising lightlevels. An LDR detects the low light level. A Schmitt trigger is used to switch the relay. A small trimpot adjusts the light level. Full circuit explanation given.

PLEASE NOTE: This is 'New Old Stock' which refers to an item or 'lot' of items that have been discovered tucked away from an old store or business. Generally these items are in their original packaging which generally has 'shelf dust,' but the actual item has been protected.

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