<ul><li>Once the Weevil Eye is soldered, we can test the board's functionality</li><li>Put the 20mm coin cell b attery into the battery holder, positive side up</li><li>.If it's dark, you should see the LEDs light up. If not, cover the sensor with your finger to test.</li><li>If your Weevil's eyes aren't lighting up, don't worry! Start with some simple troubleshooting. Check your solder joints to make sure your components have a good connection to your board solder should flow into the board and not ball up around the component's pins. Also check to make sure your transistor and LEDs are correctly oriented!</li></ul> 7 x WeevilEye PCB 14 x Red LEDs 14 x 220 Ohm Resistors 7 x 47k Ohm Resistor 7 x Miniature Photocell 7 x 2N3904 Transistor 7 x 20mm Coin Cell B attery Holder(B atteries not included)

Weevil Eye DIY Kit Electronic Beginner Learn to Solder Fun Kit (Pack of 7 Sets, Multicolor)