A simple but elegant light flashing kit.
This circuit alternately flashes two light emitting diodes (LEDs) at the rate of two flashes per second. With only 11 components, this kit is perfect for the beginner.
Flash II Kit: $2.49
Same circuit as Flash II but comes with two dazzling ultra-bright LEDs!
Choose your own colors from red, green, yellow, orange, white, or blue!
This circuit makes a great attention-getter and could also be used as a safety beacon or warning light.
Great for robotics projects or for adding special effects to clothing, hats, posters, toys, and models!
These 5000 mcd LEDs can be seen at great distances!
Flash II-UB Kit: $2.99
This circuit has the extra feature of an adjustable flash rate! Vary the rate with the potentiometer from 1 flash every 3/4 seconds to a speedy 24 times per second!
Kit includes:
(1) Printed circuit board
(1) Integrated circuit
(2) LEDs, red & yellow
(4) resistors
(2) capacitors
(1) potentiometer
(1) 9 volt battery clip
Flash IIA Kit: $3.49
Same circuit as Flash IIA but comes with dazzling ultra-bright LEDs! Choose your own colors from red, green, yellow, orange, white, or blue.