led calculator/transistor
In the Oriential circuit he has no transistors on the 3916 but yes I think it needs them to allow adquete brightness.
any suggestions. I am perplexed when it comes to calculating transistor saturation, etc. Using the led calculator
at 12v, 2.0 forward voltage, 20ma max I see a 560 ohm resistor?
just need direction on transistor usage.
As for the noise - not going to use the audio from display. Planning on a TILT circuit in parelle with display.
In addition to the 10 x 10 matrix displays (2) I am hoping to put leds behind the knobs using clear plastic rod for knobs.
could look really cool. The entire knob lights up no just a halo effect around the knob.
At present, using the Oriental circuit but going stereo w/2- 10x10 displays, a stereo TILT circuit all on one 2 sided board. Displays on seperate board.
Using expresspcb for layout