Re: [beam] Cybug Modifications.
- View Source--- Wilf Rigter <wrigter@...> wrote:
> Ok, I just read the manual that says you can select--------------------------------------------------------------------------
> different behaviour with
> J1 and J2. So that requires a different solution.
> The way to get around the problem of the hunger
> upgrade and user selected
> behaviour is to stay on the motor side of J1 and J2
> and control the motor
> driver enable lines instead of the timers.
> The attached schematic shows how. This is a much
> nicer solution in that it
> turns on the motors 100% during turning and
> --- evilprofessorvonrodentstein wrote:
> > Because my (robot's) right eye and timer are
> connected to the left
> > motor (to create photophobic behaviour) I think
> that the Q2 diode
> > should go to the left timer in my case ( so the
> left sensor is still
> > affecting the right motors pulses). I am I right?
> > Bearing this in mind, I've thought of potential
> problems which could
> > arise when using a hunger upgrade module.
> Presumbly the voltage
> > moniter replaces the jumpers and electronicly
> switches them round for
> > photophobic when high voltage and phototropic when
> running low, so it
> > can find a feeding station. So each timer could
> control either motor,
> > and using the current soluton in one mode the
> wrong motor would be
> > given longer pulses. My none electronicly
> orientated brain tells me
> > that the solution would either involve somthing
> complex to find out
> > what mode the cybug is in, or to make either
> switch give both motors
> > longer pulses, though this would result in a turn
> on the spot rather
> > than a backup turn.
> ----- Original Message -----
> From: "evilprofessorvonrodentstein"
> To: <email@example.com>
> Sent: Sunday, January 25, 2004 12:41 PM
> Subject: [beam] Cybug Modifications.
> > Does anyone own one of the cybug scarab kits (
> jcminventures.com )?
> > Well, I don't know if anyone else has noticed, but
> in bright
> > conditions it gets stuck against objects and can't
> back up properly
> > due to both motors going slowly. So what I want to
> know is if anyone
> > knows how to modify it so it always backs up at
> full power.
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> ATTACHMENT part 2 image/gif name=part of cyb_sch.gif
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- View Source--- In email@example.com, "Wilf Rigter" <wrigter@d...> wrote:
>addition of the
> The complete redesign meant the basic Scarab design with the
> above, an improved obstacle delay circuit, more uniform sensitivityto LDR
> light differences and an activity level dependent on the absolutelight
> level. I will post the improvements incrementally over the nextday or so.
>I think that this must of slipped your mind Wilf, but I'd still be
interested in the circuit designs if it isn't too much trouble.