9v Emergency Light (Survival or EDC Kits)
thingiverse
This nifty gadget packs a punch with its numerous applications. It runs on a standard 9v battery and micro switch to create a compact splash-proof flashlight. Ideal for everyday carry or survival kits, it delivers hours of reliable service from just one battery. ITEMS NEEDED: * A 9v battery * Three 5mm LEDs * A 9v Battery Connector (scavenged from an old 9v battery) This build can be completed with either soldering or a simple twist-and-glue approach using epoxy. Full instructions will follow in the project. Note: No resistor is necessary if the LEDs are connected in series. Be sure to check out my other creative designs and subscribe to my weekly dose of offbeat uploads for more fun projects!
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