Josh Collins wrote:
> And what is the PCF8574 chip I keep hearing about? How does it work?
>
> "If I could be one thing in the world, I would be a tear born in your
> eye, living on your cheek, and dying on your lips" - Josh Collins
This is a chip that connects to the calc as a I2C device (see my
previous letter) and allows it to speak parallel language and might give
it more IO lines. (Input/Output)
-=<Matt>=-