THE SIMPLEST FLASHLIGHT

THE SIMPLEST FLASHLIGHTYes, it’s probably easier to not think. For the manufacture of such “Firefly” will need only a flat battery, the light bulb is 3.5 V and the two rubber rings or a bit of adhesive tape. Assembly of flashlight I is strengthening at the short contact plate batteries the base of the bulb so that the longest plate of the battery when pressing it affected the Central contact.

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