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Step 4LED Current Limiter 2
It's time to get out the soldering iron and start making!
Solder up 2 of the current limiters on a piece of breadboard (or etch some PCB's if your feeling fancy) and test them to make sure nothing gets too hot.
note: the zener diode you can see on my breadboard eventually blew up (i don't know why but i have a habit of doing that) so was omitted in the final version.
The second image shows the circuit being tested with 4 of the red LED's in my bedroom at night with all the lights turned off. They really are amazingly bright, they lit up my entire room.
Solder up 2 of the current limiters on a piece of breadboard (or etch some PCB's if your feeling fancy) and test them to make sure nothing gets too hot.
note: the zener diode you can see on my breadboard eventually blew up (i don't know why but i have a habit of doing that) so was omitted in the final version.
The second image shows the circuit being tested with 4 of the red LED's in my bedroom at night with all the lights turned off. They really are amazingly bright, they lit up my entire room.
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