episode 30: social stuff, Ruby and a USB logic analyser

CBA Podcast

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6y ago 17:16

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Lots of little topics this time, woven together by clever commentary. That's CBA Podcast for you. In the spotlight this time: a shout-out to the Quality Team behind this podcast, impressions from the recent Eindhoven Maker Faire, HCC Retro and Bonami Homecomputer visits, a look back at the current (finished?) RetroChallenge, how to learn Ruby, a DIY portable voltage-reference, the Open Bench Logic Sniffer USB logic analyser, and fun with my angle grinder.

Relevant links to the above:

HCC Retro division meetings in Bilthoven, NL (page in Dutch)
Bonami SpelComputer Museum in Zwolle, NL (page in Dutch)
RetroChallenge, and my entry for that
Rubylearning.com: a readable Ruby tutorial
Ruby-doc.org core API reference
Open Bench Logic Sniffer USB logic analyser
Rigol DS6000-DK demo board for testing scopes/analysers
PulseView GUI for this and other capture-devices (manual)
Trotec PAGS 10-125 angle grinder (roarrrrrrr!!!)

Small DIY USB dual voltage reference(tm) before and after blobbing it with hot glue:

...and corresponding extremely complex schematic:

Open Bench Logic Sniffer threshold-voltages for all buffered inputs (0..16):

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