[chbot] CHCH Robotics Group, meeting notes 18 July 2016

[Mark Atherton]

Hello everyone,

Enthusiastic turnout, with 21 attendees and $25 collected and 
transferred to BR05 account. Balance is in the donation box.

One new member; Chris, welcome.

With thanks on behalf of the group,

Mark Atherton

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Mark A gave a quick VSD motor control talk and demo. A single phase 230V 
fed a PDL VSD, then drove a half HP 3 phase motor.

He also talked about the Klystron Amplifier project, and associated 2kV PSU.

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Mark B brought in his new Keysight logging DMM, rated to IR67; quite an 
amazing piece of equipment with bluetooth connectivity, to mention but 
one feature.

He also talked about his latest Shed article along with a wireless 
temperature sensor project.

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Winston talked about some very low cost 8:2 leadscrews, and associated 
fasteners he had purchased.

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Peter Harris spent some time talking about LiPo battery pack care and 
feeding.

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Kieran (new member) talked about his recent experiences with the Arduino 
environment, and several motion detection applications. He also asked 
for feedback on his work and presentation. Both very promising.

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William talked about the continued development of the watch, and his 
migration to a larger processing platform. Also discussed possibility of 
time synchronization using various mechanisms.

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Henry Allison talked about, and demonstrated the PocketChip gaming 
package. The system includes a US$9 Linux engine. Quite extraordinary 
price point on this product.

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[offline] Robin Gilks & Mark Beckett talked through some of the issues 
of submersibles pumps, and associates control issues

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[offline] Synco brought in his 3D VR adaptor and demonstrated some like 
shoot-em video apps.

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