Wave JT Kit - LED Chaser with Joule Thief - Sale
Wave JT is an LED chaser/Larson scanner/sequencer what runs with just one AA battery. Joule Thief circuit boosts the 1.5V (or less) from the battery to 5V to power the microcontroller and LEDs.
The kits are available at $19. PCB alone is $7. *** Summer Sale Price ***
> see the instructable
> go to my website for purchase