1004KT - Light Activated Relay Switch Kit
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||£8.29 +VAT (£9.95 Inc)|
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Product Format : Self-Assembly Electronic Kit ( Soldering Required)
Ability Level 2 : Moderate
A simple and inexpensive circuit, suitable for many applications like the automatic switching of the lights in a shop-window or a room, according to the ambient light level. Suitable for alarm systems, production control, remote controls etc.
The circuit uses a light dependent resistor that changes its value according to the amount of light it receives and three transistors which are used to amplify the signal from the LDR and operate a mains rated relay.
Kit version includes solder for assembly.Specifications