This circuit uses a light sensor to detect when an area is dark, causing an LED and output terminal to activate and begin to pulse on and off.

Day / Night Tower Beacon / Flasher Kit. Two programs, one for Day Time and one for Night Time. Light Sensor White & Red 3mm LEDs strobe, like a tall building or radio or other tower light.

FK184 UFO Chasing Light 8 LEDs

FK179 Warning Light Flasher. 20 LED Warning Light that adjustable Flash rate or LEDs can be continuously on! Two different outlines can be selected. See Details

FK178 Two Step Disco LED Flasher. 18 Red LEDs Flash in eye appealing rates & patterns. Adjustable speeds from very slow to fast. See Details Currently available only as assembled FA178

68 LED White LED & Driver for use with BK-100 Lighthouse Flasher on 12 volts DC (Does not include the Lighthouse Flasher)

10mm White LED & Driver for use with BK-100 Lighthouse Flasher (Does not include the Lighthouse Flasher)

This Educational kit enables 6 LEDs to flash on a circuit. The flashing speed is adjustable! A great starter kit for middle school and older.

This circuit recreates the noise of a police siren. Additionally it has 2 LEDs programmed to mimic police car lights. Great for models, toy cars, etc!

This basic circuit is suitable for learners who are interested in AVR microcontroller. See video link in details