20 Oct
2007
20 Oct
'07
3:13 p.m.
On Oct 20, 2007, at 1:18 PM, Tony Duell wrote:
It is a lot easier to connect you hamster wheel/
relay-to-control-
lights/
homebrew circuit to an 8-bit parallel port than to a serial port (or
worse a USB port). Yes I know there are microcontrollers with built-in
serial ports, USH interfaces, and whatever. But the thought of
having to
write the firmware for the microcontroller, get it debugged, etc, puts
people off. COnnecting a couple of resistors and a transistor
together is
an easier introduction to hardware hacking.
As somebody who got their start hacking the Commodore VIC-20 and the
CBM "user port", I don't find a BASIC Stamp plugged in through a USB
port that significantly different to experiment with, at least from
an ease-of-use perspective.
There's almost as much power in some of the BASIC Stamp products as I
had in the entire VIC-20. A couple of teens I know who are just
starting to "hardware hack" are doing the exact same sorts of
"thermister controlled fan in the window" stuff I was doing on the
VIC-20.. except now they are doing it all outboard. Even with a
small webserver. On a BASIC Stamp, you can have your "thermister"
project done in about an hour, assuming no previous knowledge of even
basic electronics, just following the instructions in the Stamp's
application notes.
When a PIC chip based system that has more CPU power (and in some
cases, even more RAM) than we had in entire computer systems can be
had for $80 at RadioShack with a breadboard, manual, and programming
software.. what do you need to bring it all into the computer for?
When you are finally advanced enough to want to talk to a bigger
computer, you'll have enough of the basic understanding to get the
USB-based stuff working.