Month: August 2009

Constant current LED driver

Constant current LED driver

Keith has a nice write-up explaining the design of his constant current LED driver circuit. When lighting a large number of LEDs, this design is preferable to just using a current-limiting resistor because it supplies the same amount of current regardless of how many or few lights are connected to it, helping to protect against […]

Expedition scooter

Artist Jay Nelson modified this Honda Spree to serve as a tiny expedition vehicle. Outfitted with surfboard rack, roll-out canopy, and plenty of storage, I imagine filling it with gourmet provisions and heading to a remote beach for some exploration and relaxation. Nelson’s wonderful conceptual sketches lead me to believe he envisioned this as being […]