Basic Light / Dark Activated Switch Basic Light / Dark Activated Switch Quasar Electronics This circuit uses a simple LDR based circuit in super-Darlington set-up to turn on the relay output. A Light/Dark mode switch is used to select either light or dark activation of the relay... Electronics > Circuit Components > Printed Circuit Boards > Development Boards 3079AKT 3079AKT 11.94 Quasar Electronics Limited

Basic Light / Dark Activated Switch

AS3079AKT - Basic Light / Dark Activated Switch
Pre-Assembled and Kit versions availableMade in Britain

This circuit uses a simple LDR based circuit in super-Darlington set-up to activate the onboard relay (see Relay FAQ for details).

Best suited to applications where the change in light level is large and the transition quick e.g. to activate a music box when the lid is opened.

The Light/Dark mode switch is used to select either light or dark activation of the relay. This enables the unit to be operated in its low-current standby mode for the majority of the time according to your application.

  • Adjustable turn-on sensitivity
  • Switch to select either 'light' or 'dark' activation
  • LED status indicator
Specifications
Supply VoltageRegulated 10 - 15Vdc
Suitable
Power Supplies

- 660.446UK (with connector 777.001UK or 778.106UK)
- CFE103

Output1 x SPDT Relay
Maximum Output
Load (Resistive)
Up to 48Vac or 28Vdc @ 2 Amps max. (Relay Datasheet)
Output ConnectionsNO, NC, C (Relay FAQ)
Board Dimensions33 x 53 x 20mm
Fixing Holes4 x M3
Board ConnectionsScrew terminal blocks
Product FormatSELF-ASSEMBLY Electronic Kit (KT) or
PRE-ASSEMBLED Electronic Module (AS) Product Formats Info
DocumentationUser Manual
Your Total:

AS3079AKT - Basic Light / Dark Activated Switch Selection

SELF-ASSEMBLY Basic Light / Dark Activated Switch Electronic KIT
Quasar 3079AKT - SELF-ASSEMBLY Basic Light / Dark Activated Switch Electronic KIT
£8.29 £6.63 Exc VAT, £7.96 Inc VAT | In Stock (Our UK Warehouse)
PRE-ASSEMBLED Basic Light / Dark Activated Switch Module
Quasar AS3079A - PRE-ASSEMBLED Basic Light / Dark Activated Switch Module
£12.46 £10.80 Exc VAT, £12.96 Inc VAT | In Stock (Our UK Warehouse)

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