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Author Topic: Hand wiring LEDs  (Read 1333 times)

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Offline HeroXLazer

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  • Posts: 70
Hand wiring LEDs
« on: Fri, 20 January 2017, 18:08:08 »
I want to use a Teensy 2.0, 38 switches and 38 LEDs. What LEDs (based on current, beccause of the 1000 mah limit on USB) should I use for through switch and how would I wire the LEDs? I want to also use white or gold LEDs.
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Offline Cortes

  • Posts: 5
Re: Hand wiring LEDs
« Reply #1 on: Fri, 20 January 2017, 20:21:36 »
Uses leds of 3mm or leds 2x3x4mm.

If you are going to use them in a teensy, you should program them in the PWM pins, since using them there, you can program them to consume much less amps.


I am now fighting with the programming led for a teensy in TMK, and I will use 93 leds, and if I can, +44 leds more to illuminate the case.
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Offline HeroXLazer

  • Thread Starter
  • Posts: 70
Re: Hand wiring LEDs
« Reply #2 on: Fri, 20 January 2017, 20:56:24 »
Should I use a seperate controller or just the Teensy?
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Offline Tactile

  • Posts: 1439
  • Location: Portland, OR
Re: Hand wiring LEDs
« Reply #3 on: Fri, 20 January 2017, 21:10:05 »
You'll need to add a resistor for each LED. The resistor value you choose will determine the current through the LED.

I like 1.8mm leds for switches. They fit nicely in the little recess in the switch housing.
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