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Documentation about the Vampire hardware

Vampire 500V2 Add a Pin for External Hdd Light ?

Chris Edwards

Posts 43
21 Jun 2019 20:49


is this possible? maybe not on the board but a pin of the IDE ? what pins do i tap for a header on a 44?


Mike Kopack

Posts 268
21 Jun 2019 21:35


Chris Edwards wrote:

  is this possible? maybe not on the board but a pin of the IDE ? what pins do i tap for a header on a 44?
 

 
  Pin #39 is the activity signal line.  Hook the cathode end of the LED to pin 39, the anode end to a 220ohm resistor and then the other end of the resistor to +5V (both puns 41 and 42 supply 5V - I would suggest using 42 since thatís the motor power line and if you arenít spinning a mechanical drive itíll have minimal
Impact). The size/value of the resistor depends on the size of the LED so you might need to experiment a little bit.


Chris Edwards

Posts 43
21 Jun 2019 21:56


stock A2K light, i will have to look what they are ohm wise, thanks!


Mike Kopack

Posts 268
21 Jun 2019 22:27


Chris Edwards wrote:

stock A2K light, i will have to look what they are ohm wise, thanks!

Cool, just DON'T try to do it without putting a resistor in there. You WILL fry something if you don't! There needs to be SOME load on the line at all times.. Experiment with the resistor size depending upon the resistance of the LED. IF you want it brighter, go with a lower value resistor or vice versa, but something has to be in there to keep it from shorting out.

Enjoy and let us know how it goes!


Chris Edwards

Posts 43
22 Jun 2019 02:00


here you go Mike, props!

EXTERNAL LINK 


Sebastian Blanco

Posts 145
24 Jun 2019 22:18


if you use a cf adapter, most of them have a place to get the led.


Mike Kopack

Posts 268
24 Jun 2019 22:41


Chris Edwards wrote:

here you go Mike, props!
 
  EXTERNAL LINK 

Nice! Glad it worked out for you!

posts 7