[sdiy] Best Seq PIC

[Thorsten Klose]

On Wednesday 14 March 2001 23:07, you wrote:
> If one would get into programming a PIC sequencer
> which PIC would be the best one for the job?

Currently I'm writing on a sequencer and arpeggiator 
with LCD, 24 buttons, 16 LEDs and 64 pots (4 * 16 pot rows) 
to get realtime control over my equipment.

It is a single-chip-solution, based on PIC16F874; I will 
switch to PIC16F877 soon, which allows me to save and
read the sequencer data in the upper half of internal
flash.

Andreas H wrote:
> By the way handling a TB-303 like Matrix keyboard
> is best done how? the way that the original 303 uses
> demands after all 16 I/O's with the leds and everything.

I'm using the shift registers 74HC595 for output and 74HC165 for
the digital input channels. This allows me to extend the
channels without much effort. The 64 pots are routed over a
8*4051 MUX network to the 8 AD channels of the 16F874.

Design and Code will be published sooner or later on
my homepage.

Best Regards, Thorsten.

-- 
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