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I bought some solar powered lawn lamps at Dollar Tree so I could make more battery chargers* and also because I wanted to see what else I could make with them, so here we are!

*See them here: Solar Charged Battery!

From one lawn lamp I collected these items:

  • (Non-Electronic)
  • AAA Battery holder
  • # Metal pole
  • # Clear plastic cup
  • # Metal head
  • (Electronic)
  • NiCd Rechargeable AAA battery: 1.2V, 200mAh

  • YX8018-5v431 LED driver IC

  • 4.7K Ohm Resistor
  • #Low current LED
  • PCB
  • #0.55V Solar panel

The ones with a # symbol I will give instructions for something to do with it.

Step 1: Take Apart the Lamp

Tools you will need:

  • Phillips head screwdriver (almost any size)
  • Wire cutters
  • Pliers

I found that most of the big parts just popped off when I pulled them. Next you have to get to the Electronics:

  1. Unscrew the top piece (3rd & 4th pic)
  2. Remove excess glue from anywhere (5)
  3. Cut the wires from the solar panel (6 & 7)
  4. Carefully pry off the solar panel (8)
  5. Scrape off excess glue(9)
  6. Unscrew the PCB (10 & 11)
  7. Desolder the electronic parts (12) - How to Desolder

Save all of the parts!

Step 2: Uses for Your Parts

  • Large metal tube - Fits NERF darts perfectly
  • Metal base & Clear plastic cup - use to make an attachment for your flashlight to turn it into a lantern -Flashlight Lantern

Electronic parts

<p>For the YX8018, just do a Google search for the name and you can find some uses for it. One interesting one is a stable 5 V boost converter so you can run 5 V volt devices off of one or two 1.2&ndash;1.5 V cells.</p>
<p>I love these pathway lamps. I use them all over my yard and when one dies i just replace it for a dollar. I have made a small 10 watt 12 volt solar panel out of them and will keep adding on as i go. As for the LED driver thanks for the datasheet. i have been thinking of making an LED panel out of them.</p>

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Bio: Oh hey, look, a bio section! In case you actually cared enough to look here, I'm millerman4487, and I like waffles and robots. I ... More »
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