Category Archives: Battery Rebuilding

PCB progress

Posted on November 22, 2010 by Jim

There were some bad copper bridges on the daughterboard from the “fuzzy” area spotted by someone at the PCB making demo.  (I suspect it was a small bit of crud holding the artwork away from the board.)  I opened those … Continue reading →

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Discharger PCB hacks

Posted on November 22, 2010 by Jim

I never think of everything in time. The analog mux chips give me 16 channels to connect to individual cells.  For NiCd, that’s a max of 16*1.2V=19.2V packs.  That covers almost all battery packs – great. But the discharger also … Continue reading →

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Discharger Arduino code thoughts

Posted on November 22, 2010 by Jim

One of my biggest fears for the Arduino code is that a bug will turn on inappropriate analog switches, resulting in a short or other undesired connection, probably damaging either the mux chip or the Arduino itself.  To help avoid … Continue reading →

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