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Hi Todd,
I'll answer the best I can.
> Can the motor outputs be used to close a relay instead of running a
> motor? As an example to control a motor that needs 120v AC?
As long as the relay doesn't require more current than the motor driver chip
can handle. You can always bridge the motor outputs together for higher
current. The motor chip has the built in diode, so you won't need to do
anything special.
As far as
> the inputs go, are the digital inputs for switch type sensors (high or
> low value only),
Yes, the digital ins are pulled high. You can short them to ground to make
them go low when the switch closes.
and the analog inputs for photo type sensors where the
> value can be anywhere from 0-5 volts?
Yep.
> doesn't matter because the battery will charge during the day, and it
> will power it through the night?
I wouldn't want to rely on the batteries not going dead when the unit was
unplugged. As Jake pointed out, IC will startup with main() when the
handyboard is turned on. You'll need to mod the HB and hook up a relay into
the 120V power to turn the HB on when the unit is powered up.
good luck,
chris prosser
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Message is in Reply To:
 | | A few questions.
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| Can the motor outputs be used to close a relay instead of running a motor? As an example to control a motor that needs 120v AC? As far as the inputs go, are the digital inputs for switch type sensors (high or low value only), and the analog inputs (...) (25 years ago, 27-Mar-00, to lugnet.robotics.handyboard)
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