John Edgar Park likes to make things and tell people about it. He builds project for Adafruit Industries. You can find him at jpixl.net and twitter/IG @johnedgarpark
The No. 6 dry cell was one of the first batteries to replace the “wet cell” or “dangerous glass jar of liquid chemicals”, as they were called in the olden days. This site has some great info about their history (they were used to power early telephones, for example), and some different designs for repacking or remaking your own using modern D-cells.
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John Edgar Park likes to make things and tell people about it. He builds project for Adafruit Industries. You can find him at jpixl.net and twitter/IG @johnedgarpark
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Escape to an island of imagination + innovation as Maker Faire Bay Area returns for its 16th iteration!
