KIT-10723 SparkFun

Weevil Eye Kit Information & Instructions The Weevil Eye kit is an introductory electronics kit designed to help the novice electronics enthusiast learn about things like soldering and resistance. The Weevil Eye is designed to look like a little beetle whose eyes glow in accordance with the ambient light level the less light detected, the brighter the friendly weevils eyes will glow. There is no programming involved and all soldering is beginner friendly, so this kit is perfect for the embedded electronics novice. Kit includes: Weevil Eye PCB Transistor (2N3904) Red Diffused 5mm LEDs (qty 2) Miniature Photocell 47k Ohm Resistor Coin Cell Battery Holder 220 Ohm Resistors (qty 2) 20mm Coin Cell Battery WARNING: Please wear safety goggles. This kit requires soldering and clipping leads.SOLDERING TIPS SOLDERING TIPS Solder ows around the leg and lls the hole - forming a volcano-shaped mound of solder. Error: Solder balls up on the leg, not connecting the leg to the metal ring. Solution: Add ux, then touch up with iron. Dont: Use the very tip of the iron. Do: Use the side of the tip of the iron, The Sweet Spot. Error: Bad Connection (i.e. it doesn t look like a volcano) Solution: Flux then add solder. Do: Touch the iron to the component leg and metal ring at the Error: Bad Connection...and ugly...oh so ugly. same time. Solution: Flux then add solder. Error: Too much solder connecting adjacent legs (aka a solder jumper). Solution: Wick off excess solder. Do: While continuing to hold the iron in contact with the leg and metal ring, feed solder into the joint. Dont: Glob the solder straight onto the iron and try to apply the solder with the iron. Do: Use a sponge to clean your iron whenever black oxidization builds up on the tip. Page 2 Page 3