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It looks like this instructable has been up for a while. If you're still around, how long will the light stay on if left on continuously? Thanks in advance.BTW, I love the simplicity of your Instructable.
How to solder - the secrets of good soldering
There is too much solder on the resistor lead joint example, the solder should make a concave shape to the lead even on Veroboard. Most high reliability soldering is done cutting the lead at the length of the pad then bending it to the board before soldering.Wet sponges work fine to effectively and gently tip clean, and the iron returns to temp before you know it. Those stainless curly things will end up pit the surface.Source - 10s of 000's of hand solder joints...
Simple LED torch - made from recycled battery
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