Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.
Welcome to our site! Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.
<p>Works off 9vdc battery. Great for astronomy use with your dark adapted eyes, or build into your equipment. LED is mounted on switch assembly with 20 Ohm resistor, and 4-1/2" long leads (center lead is positive).</p>
www.surplusshed.com
You could change the resistor.
They have very neat stuff
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