3mm LED light から Andrew

This has 3mm holes to hold 3 LEDs. I made it to mount on the side of my TEVO Tarantula and light up the build plate. I connected it to the 12V power...さらに表示 supply.

Other parts:
3x 3mm led
1x 210 ohm resistor
1x M5x8mm bolt
1x M5 T-Nut