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Posts Tagged ‘constant-current source’

DIY laser diode driver | Constant current source

Tuesday, June 30th, 2015

GreatScottLab's instructable on how to make your own constant current source and how to get a 'burning' laser diode: In this project I will show you how I extracted a laser diode from a DVD Burner which should have the power to ignite a match. In order to power the...

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Posted in DIY | 2 Comments »

Simple LED driver/constant-current source 20 mA

Monday, June 2nd, 2014

Another Instructable by Jan Henrik,  a constant-current source which gives 20mA at the output.  He writes: It is a circuit, which limits the current to 20mA, what allows us to drive any normal led, without calculating a resistor, you can just plug the led in and see it emitting light… Also...

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Posted in how-to, LEDs | 4 Comments »

Recent Comments

  • Joe Desbonnet: Ya, I can recommend the low melting point solder. I used brand 'ChipQuik' and it's amazingly easy to use.
  • Jerome: I need a new BusPirate for the Fablab ;) Many thanks!
  • Max: Seems like an unexpectedly violent way to remove the chip indeed. A hot air station should of course do the job just fine, but in...
  • jose: Part removal described here is pure butchery, the cheapest hot air station will do a fast and clean job removing the QFP, heat air to...
  • Cody: Yes please