Blogs about: Nerd And Bike Stuff
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Second system effect
I’m pretty happy with my bike light, but gosh darn it, it could be better! Various features that I want, but demonstrably don’t need: Able to tolerate higher supply voltages. The Buckpuck … more →
dr2blog
Second system effect
dr2chase wrote 1 week ago: I’m pretty happy with my bike light, but gosh darn it, it could be better! Various features th … more →
Light photo
dr2chase wrote 1 month ago: Playing with my bike, playing with my camera. … more →
Why it makes no sense for car drivers to lecture cyclists about "the law"
dr2chase wrote 1 month ago: and the importance of obeying it.Is it really necessary to point out the obvious — that people … more →
Wonderful cargo bikes
dr2chase wrote 1 month ago: I like my bike, but these are just wonderful. I don’t think I can have all of them. The France … more →
More chaincase upgrades
dr2chase wrote 1 month ago: The chain case serves two purposes; keep my pants clean, and keep the chain “clean”, suc … more →
Goldilocks and the Three Bars
dr2chase wrote 2 months ago: These bars are Too High. These bars are Too Low. These bars are Too Wide… I’ve been tink … more →
Installing a Velo Orange Porteur Chain Case on a Big Dummy
dr2chase wrote 2 months ago: It was tedious and fiddly to get it on right, but I am happy now. The rest of this post contains som … more →
First youtube, cars not stopping
dr2chase wrote 2 months ago: My first youtube video. I’d been meaning to do this for some time, the stop sign at this inter … more →
Bike rescue
dr2chase wrote 3 months ago: It was supposed to rain, so I was driving to work, saw this out in someone’s trash, and it fol … more →
Big Dummy
dr2chase wrote 6 months ago: Front fork was aging fast on the old bike, my brother said his Big Dummy was great, I didn’t g … more →
Lighting control circuit, fixed, working.
dr2chase wrote 7 months ago: When I finally tested this circuit on a real bike connected to a real hub, it didn’t work righ … more →
Not so grand plans
dr2chase wrote 8 months ago: I decided, that the next circuit I build, will do one thing well, and I’ll worry about the res … more →
More PCBs
dr2chase wrote 8 months ago: There’s a learning curve. I think I’m past it. I repaired the busted board. It looks lik … more →
Lighting control circuit, this time for sure
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dr2chase wrote 9 months ago: Every system is a second system, or so it seems. Update: it really, really helps to use the right ch … more →
Further adventures in bike-light-ology
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dr2chase wrote 10 months ago: Today’s lesson: Hub generators are current sources.The sidewall generator was starting to tick … more →
Some assembly required, batteries not included
dr2chase wrote 11 months ago: A dynamo-or-battery-driven set of lights for a bike — 200 lumens white to the front, amber low … more →
Santa Bike
dr2chase wrote 11 months ago: Bikes win for delivering packages to the post office, at least until everybody does it and I can no … more →
Quick circuit for LED "high beams"
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dr2chase wrote 1 year ago: his has come up twice in the last week; I want high/lo beams, and I think Wiley needs them too. Diff … more →
Oversocks for winter biking
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dr2chase wrote 1 year ago: I got advice to try oversocks for winter-biking-with-cleats from two independent sock sources, so I … more →
