Led keychain light DIY

thingiverse

LED Keychain you need: - 1 battery CR1220 3V. - 2 (wires copper or steel): wire1= diameter 1 mm length 12 mm. wire2= diamter 1mm to 1.8 , length 25mm. - 5 mm led any color (slide the led slowly from the back to the top then cut the cathode to let just 5 mm to connect with the tab ahead of the pushbutton+ connect wire2 with the anode +side of battery.) - 1 Pushbutton B3F-4055(remove 2 tabs diagonally then connect the others two tabs to the battery with wire1 and directly with the short tabs of the led (cathode) you can weld it. - 5 littles screws m1.4 (1.4mm or) , length 4 mm (add button cap before to screw the lid). - lid , bottom , button cap (printed). you can add a texte on the bottom like a name :).