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