Catalog > Consumer Electronics > Kits > Kits (By Function) > Computer / Interface / Programmers Catalog > Consumer Electronics > Kits > Smart Kits Smart Kit Light Switch Light Switch SMART KIT 1004 Light Switch Kit • Function Group : Computer / Interface / Programmers 102.39 ZAR inc for 1 Each 4 in Stock Add Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE Features 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, 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 relay. Additional Information nGroup Computer | Interface | Programmers nDevice Kit Group Computer / Interface / Programmers Model 1004 PCB Size 40x64mm Voltage 12VDC Power Supply Kit 1061