More ideas from Jan
BIKE FLASHER This circuit will flash a white LED (or 2,3 4 LEDs in parallel) at 2.7Hz, suitable for the rear light on a bike. By Collin Mitchell - 30 LED Project.

BIKE FLASHER This circuit will flash a white LED (or 4 LEDs in parallel) at suitable for the rear light on a bike. By Collin Mitchell - 30 LED Project.

Google Hacks - Google Cheat Sheets!2

All cheat sheets, round-ups, quick reference cards, quick reference guides and quick reference sheets in one page.

LiPo (Lithium-ion Polymer) Batteries - how to use and care

LiPo (Lithium-ion Polymer) Batteries - how to use and care - Looking To Get Your First Quadcopter? TOP Rated Quadcopters has great quadcopters that will fit any budget. Visit Us Today. by clicking the link in our BIO.