Radio Controlled Light Views

• General Goods

Pilot Controlled Lighting (PCL), also known as Aircraft Radio Control of Aerodrome Lighting (ARCAL) or Pilot Activated Lighting (PAL), is a system which allows aircraft pilots to control the lighting of an airport or airfield's approach lights, runway edge lights, and taxiways via radio. At some airfields, the aerodrome beacon may also be ARCAL controlled. ARCAL is most common at non-towered or little-used airfields where it is neither economical to light the runways all night, nor to provide staff to turn the runway lighting on and off. It enables pilots to control the lighting only when required, saving electricity and reducing light pollution.

The ARCAL frequency for most aerodromes is usually the same as the UNICOM/CTAF frequency, although in some rare cases, a second ARCAL frequency may be designated to control the lighting for a second runway separately (an example of this is runway 01/19 at the airport in Sydney, NS). To activate the lights, the pilot clicks the radio transmit switch on the ARCAL frequency a certain number of times within a specified number of seconds. There are two type of ARCAL systems, type J and type K. Type J systems are activated by keying the microphone 5 times within 5 seconds, while type K is initially activated by clicking 7 times within 5 seconds. Once activated, the intensity of type K systems may then be turned to low, medium, or high intensity settings by keying the microphone 3, 5, or 7 times within 5 seconds respectively. If runway identification lights are also controlled by type K ARCAL, they may be turned off by keying the microphone 3 times.[1]

[Alan] was commissioned to make some wearable, radio-controlled LED strips for the Travelling Light Circus. It has taken some time, but he has recently finished some prototypes, and thought it was a good time to do a writeup on the project. The system is managed by a single controller unit, which communicates with any number of LED driver units, each controlling 4 HL1606 LED strips. The light displays are synchronized across all of the LED driver units via a 2.4 GHz radio, with each driver falling into synch almost immediately after being powered on. While some might be turned off to the fact that he uses Arduino Pro Minis to control the LEDs, this is far from a simple project.

Disney is, of course, planning to release a whole line of toys based on their new movie Tron: Legacy when it hits theaters this fall. Among a lot of really cool replicas, there ’s plenty of incredible looking light cycles, but these in particular should get your sci-fi geekerator pumping. Radio controlled light cycle replicas

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