Willy Tarreau's stuff

Brain dumps. Reports about experiments, ideas, and various stuff that's more useful on the net than written on paper stacked on my desk.

Showing posts with label batteries. Show all posts
Showing posts with label batteries. Show all posts
2020-05-03

Build your own Tiny USB Battery

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Background After having successfully built a few tiny USB batteries in the past, I was always left with a bit of frustration about the d...
2018-11-11

Replacing 2 AA 1.5V batteries with 2 AA lithium batteries

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Context My digital camera ( Canon A2100 IS ) uses 2 AA cells as its power source, as can be seen on the photo below from the review site a...
2 comments:

Modding an RC transmitter to support lithium batteries

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Context From time to time with a few friends we play with these RC cars but the problem is always the same : the transmitters require 4 A...
2017-12-09

Tiny USB batteries v3

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A bit of background Since my last experiment at shrinking down USB batteries to fit in my pocket, I made a few observations resulting in ...
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