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
|Supply voltage||12Vdc e.g. Order Code 660.446UK with connector 778.106 or kit 1061KT|
|Output Type||1 x SPDT Relay|
|Output Load||230Vac @ 1A, 110Vac @ 2A, 30Vdc @ 2A maximum|
|Output Connections||NO, NC, C (Relay FAQ)|
|Product Formats||SELF-ASSEMBLY Electronic Kit (KT) Product Formats Info|
|Documentation||1104 User Manual|