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Tilted Cat Head
Administrator
Location: Manhattan, NY
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Quote:
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Originally Posted by flat5
You may have one already :-)
For this project, a cheap unregulated adapter is fine.
You can find a used one in Salvation Army type stores.
Easy way to hook it up is to solder across the battery contacts and forget about batteries :-)
One problem with NiCad batteries is you have to make sure that they are not completely discharged. You have four batteries in series. If they discharge at different rates, then one batterey (the first to completely discharge) will receive voltage through it backwords. This is quick death to a NiCad. That battery can not be fixed and can never be used again.
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Yep, that's why I never use NiCads nor do I recommend them. My link goes to NiMh batteries, not only do they not have the memory issues but they also come in varying mAh depending on usage.
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