Replimat

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Projects Power tools

=Introduction= A flashlight, (US) torch, or torchlight (UK) is a portable hand-held electric light. Formerly, the light source typically was a miniature incandescent light bulb but these have been displaced by light-emitting diodes (LEDs) since the mid-2000s. A typical flashlight consists of the light source mounted in a reflector, a transparent cover (sometimes combined with a lens) to protect the light source and reflector, a battery, and a switch, all enclosed in a case.

=Challenges= Working without light or even without enough light can present serious challenges.

=Approaches= LEDs make efficient use of power from batteries for production of light.

=References=

• LED Headlamp - nice reuse of bandana / handkerchief, upgrade to 18650 + recharging
• Wikipedia: Flashlight