This is a lighted fishing bobber I made that uses copper and zinc as a battery that is activated when put in water to flash a red led. There is no super capacitor or other batteries in it.
To God be t
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This is a lighted fishing bobber I made that uses copper and zinc as a battery that is activated when put in water to flash a red led. There is no super capacitor or other batteries in it.
To God be t
Amazon Auto Links: No products found.
Author: Bill P
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