Slight flaw with USB power banks.
While doing a discharge test on a small USB power bank, I discovered that even though the booster circuit cuts out when the lithium cell’s voltage drops to about 3V, …
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Tag: slight
Putting a 12V lamp into a 240V socket. (slight anticlimax)
It had to be done. I put the 12V version of this lamp into the 240V lamp holder to see what happened. Note the long pause as I expectantly wait …
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