LED bulb for solder gun

I use an old solder gun for made quickly some montages who is equipped with 6,3V incandescent bulb. So, Inadvertently, I broke the bulb.

Because, I want to quick solve the problem, inspired by my friend, Narcis, I put 2 leds instead incandescent bulb:

My schematic is

After first publish of my article in roumaniam language 2 friends made some led bulb

  • with 2 leds and 100 ohms resistor

  • with an rectifier,  one led and 100 ohms resitor + mirror flashligt


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2 Responses

  1. Do you have any video of that? I’d love to find out more details.

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