[chbot] Robotics Group meeting, Monday 19 Aug 2019, 630pm, 5 Idris Road

[Andrew Errington]

Hi everyone,

The little stepper motor I was playing with is the X25.168. Rather than
including a bunch of links here I'll point you to this guy, who has been
looking at them in detail:

https://guy.carpenter.id.au/gaugette/

Andrew

On Mon, Aug 19, 2019, 21:12 Mark Atherton <markaren1 at xtra.co.nz> wrote:

> Hello everyone,
>
> Quite a few new faces this evening; welcome.
>
> Good turnout with 27 attendees, and lots of huddles-of tech-talk. $40 +
> change (in gold, and flat-money) collected and transferred into the
> robotics loose-change jar (for later banking).
>
> Quick reminder: equipment donations are welcome for the trading table,
> but no CRT based product, printers, toner or items that are likely to be
> a disposal burden. All sales from the trading table should go into the
> brown box on the wall, and are directly for the benefit of our host
> club, NZART Branch 05.
>
> With thanks on behalf of the group,
>
> Mark Atherton
>
> ============
>
> Jimmy brought in a huge pile of heat-shrink sleeve, with free feeding
> for the group. Thank you.
>
> Mark brought in the HOPI-9800 energy meter (made famous by BigClive). A
> reasonably inexpensive in-line meter allowing measurements of mains
> voltage, supplied current, calculated yearly energy, and power factor.
>
> Darren gave an interesting electric-scooter demo.
>
> Andrew brought in a micro stepper motor and gauge, which he had 3D printed.
>
> Andy brought in an LPG powered thermo-electric generator. Peter gave an
> interesting talk on this strange device, and how the resulting DC energy
> might be used.
>
> Graham brought in a Repco 1200A battery booster (around $240), and
> described it’s construction using super-capacitors.
>
> William brought in his latest Sharp-Memory-LCD watch, based on an Atmel
> AT-mega-328P.
>
> Bevin brought in another of his mechanical calculator projects. He also
> described the (real) metallic-kiwi problem at Willowbank; hopefully some
> willing robotics members will help with this project.
>
> Cory brought in a small Cubee dancing robot to demonstrate. Just loved
> the leg-kick while dancing to some Michael Jackson !
>
> Steven talked about adventures with a spectrometer at the University. He
> also described an interesting situation with a Lime having just changing
> vehicles.
>
>
>
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