Insects are attracted to the blue spectrum in white lights but are not attracted to the yellow wavelength in this lamp. It may be useful if there are lots of mosquitoes around. This lamp is like candle light and gives a warm feel to the room. It may be bright enough for bedtime reading. It won't keep you alert during bed time like white lights do.
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Signing UpStep 1What You Will Need
• 1 watt amber LED - $6
• Current regulator circuit (1.6 ohm and 100 kohm resistors - $0.20, 2x 2N2700 MOSFET transistors - $0.40, NPN transistor - $0.25, circuit board - $0.75, wires, lead free solder)
• 3 rechargeable AA’s
•Circular piece of paper
•Aluminum foil
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