It’s been a busy spring around here. Lots of activities going on and not a lot of documentation, as one would note from the lack of activity and the prevalent chirping sounds here. My friend Alan got a taillight from this place called jitensha studio. It’s a cute japanese

I’m going off the grid for a while for a bike tour. I’ll be leaving voice messages on my tumblr blog here: http://kinasmith.tumblr.com/

Have come in contact with two types of lenses on these Luxor taillights so far. I haven’t, either, seen any evidence of more types from any photos online. This leads me to believe that there are only these two. There is the Snowflake type, which is primarily just a piece of red

Two of the elegant Luxor Taillights. These are the hammered variant, unlike Alan’s which is fluted. I am becoming relatively fond of these things. These two don’t belong to me, but I’m doing an LED retro-fit on them, so they’re hanging out with me for a while.

I’ve got a new project in the works for a randonneur with a Garmin gps and an iPhone. He wants a USB charger that will be powered by his SON Dynamo hub. There are a couple of products that do this on the market. The one I’ve heard of is the E-WERK, “The Mobile Energy

Yesterday I got a battery powered handlebar mount light prototype built using the Endorstar, Luxeon Rebel 3up star, pictured in the previous post. I’m using a heavily heat-sinked 3/4″ copper cap to hold the LED and lens, and a proto-typing board to hold a partially assembl

So lets talk about Constant Current Drivers. What does that mean exactly? What is the difference between Constant Current and Constant Voltage? What is the difference between the two anyways? Wikipedia says: “Electric current means, depending on the context, a flow of electric c

I’ve tried several times to keep a blog, but they always seem to fail due to lack of either interesting activities, or the failure to document interesting activities when they did occur. I like to think my life has become more interesting since I graduated college. I’ve go