Adding lock lights with soarers converter

[sexzual]

Have an ibm model m 122 i'm thinking about adding lock lights to.  already set up using soarers converter and working well.  i also have a lock light daughter board out of a newer model m.  1 pin is v+ and when the other three pins get grounded, the corresponding led turns on.  how do i go about wiring it into a pro micro, and what do i need to do in software?

[Tactile]

This is from the Soarer's Docs:

Code: [Select]

LEDs
Optionally, lock LEDs can be wired up. Useful if your keyboard doesn't have them!
The outputs are active high (each pin puts out +5V when it wants to light the LED).
A resistor is needed inline with each LED. (The value needed depends on the type of LED, 1Kohm is a good starting point for modern high-brightness types).

The pins used differ between Teensy and Teensy++.

Teensy 2.0 (ATMEGA32U4):

LED         Teensy
CapsLock PF5
NumLock         PF6
ScrollLock PF7

Teensy++ 2.0 (AT90USB1286):

LED         Teensy
CapsLock        PD3
NumLock         PD4
ScrollLock      PD5


[sexzual]

huh looks like the board i have would be useless than as it uses a common 5v and uses ground to switch on the leds.  is there a way to have the teensy output ground on the three pins instead of 5v?

[suicidal_orange]

Not sure if it works with the converter but this is from Soarer's controller documentation:

Lock LEDs can be connected to any pin, and the polarity of each pin can be individually configured.

led <lock> [-]<pin>

Example:

led caps PD3     # for when the other end of the LED/resistor combination is 0V
led num -PD4     # for when the other end of the LED/resistor combination is +5V

So try adding a - before the pin name?  Will probably crash on compiling if it doesn't like it...

[Tactile]

Just change the LED circuit from common anode to common cathode. I don't know anything about your LED board but the first thing I'd try is simply removing each LED and re-installing the other way. If the board wiring is simple that should work. If there is more complex circuitry on the board it might not. But it's worth a shot, anyway.

[sexzual]

thanks.  was thinking the same thing.

[sexzual]

that did the trick. 

[Tactile]

Glad it worked. Thanks for letting us know.