|What ho ! More
This is my first attempt at a web site. So things,
will no doubt be, dynamic for a while. Change is
the only constant.
|A good article concerning Audio Taper :
"Notes on Audio Attenuators" at:
|A Mechanical Charge Pump.
It was a joke,.... really. Then a silly idea,
then it worked. Who knew ? The thought of
the sound of those screaming little relays
still makes me laugh.
I used a BS-2e to drive the relays with a
serial shift register latch, (74HC595), and
open collector array, (ULN-2003).
|Measure Audio Taper.
I made this device to measure the
taper of Audio pots that are used in
Here I am using a Parallax Basic Stamp
2 OEM to drive a Stepper motor that
rotates the POT and then measures
the wiper resistance. I simply use the
Debug command to create a crude
graphic in the Debug window.