Wot-Wot Biscuit Barrel Alarm

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The Wot-Wot Biscuit Barrel Alarm features my Lego Mindstorms NXT High Voltage A.C. Appliance Controller, which allows you to turn on-and-off your Household mains powered equipment such as lights, radios, heaters, etc. via your NXT Robot.
This project needs a lot of care during construction due to the Voltages involved.

120-240V A.C. KILLS!

Only for experienced hackers!

 

 

Wot-Wot Biscuit Barrel Alarm in Action!

The appliance is switched on and off using an Optically Isolated TRIAC (Electronic Relay) to safe guard the NXT from damage. You treat the controller as a standard Lego Light Sensor. The controller uses the software toggling as used for a standard Lego Light Sensor LED switching from reflected to ambient light sensing.

The following NXC Code shows an example of how easy it is to control the Lego Mindstorms NXT A.C. Appliance Controller

 

 

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