How to make a Super Bright LED Keyring Torch (easy project)

3D part files: http://www.thingiverse.com/thing:1726939

Parts used: 1x Nichia LED: http://goo.gl/BGL3VA or http://goo.gl/q7YBnM 4x M3 Screws 5mm long: http://goo.gl/aBpulD 1x 15ohm 1/2W resistor: http://goo.gl/28KZvI 1.5x20mm heat shrink: http://goo.gl/YBVdv2

2x CR2032 button batteries

• Schematix - ... https://www.youtube.com/watch?v=rgD3qqL94ps