Building Electronics Kits at JOTA
Over the years a wide variety of electronic kits have been constructed. Noisy ones like sirens, hee-haw sounds, monophonic organ, and so on. Others have lights that flash in various combinations, such as the image on the left.
Bike Tail Light
Uses three very bright light emitting diodes to create a flashing red tail light for your bike.
Red and Green Flasher
Using two light emitting diodes and a 555 integrated circuit this is the classic flashing light kit. Use a multimeter to measure the components.
Electronic Dice Kit
At the press of a button seven light emitting diodes flash briefly and one pattern stays lit, representing a number between 1 and 6. Truly random and never rolls off the table!
Siren and Windmill Kits
The picture below shows the windmill, with light emitting diodes that flash in a rotating pattern, and a ding-dong doorbell. Guaranteed to annoy you when visitors arrive.