Circuit Break - A MacroFab Podcast

MEP EP#276: Skippy Documentation

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    MEP EP#276: Skippy Documentation

    • Fake LM338 Voltage Regulators?
    • X-RAY results
    • Should we Xray legit LM137 and see if the XRAY matches?
    • SCPI or Standard Commands for Programmable Instruments
      • IEEE 488.2-1987
      • Send command strings over serial to configure and get results from test equipment
      • Test equipment mostly adhere to this with some weird gotchas
      • COM port snooper / sniffer?
        • Is there good software out there that can sniff the buffers / communication string between Windows and a hardware device?
        • Is bad documentation worse than no documentation?
          • “With no documentation you know immediately you're fucked.”
          • Bringing back the Tasty Chips segment - E-Z Hook Insulation Piercing Wire Clamp - 8507
            • Spring loaded clamp that has teeth
            • When you insert a wire the teeth slice into the insulation making contact
            • Datasheet specifications are interesting to say the least!
            • Max Current 1 AMP
            • Max Voltage 0 V ?!?
            • Covering the Amplifier
              • Update on Parker’s Amp “refinishing” project
              • Adventures in plastic molding
                • Getting custom actuator parts injection molded
                • First prototype parts got shot this week
                • What to expect
                  • Provide model to company
                  • Initial review
                  • DFM report
                  • Release for prototype
                    • 5 to 6 weeks for the initial mold to be cut
                    • Prototype units are shot and sent for approval
                    • Second round of mold adjustments are cut - 2 weeks
                    • Second prototype units are shot and sent for approval
                    • Mold is sent to US
                    • Production is run
                    • Mold cost ~12k
                      • Half up front
                      • Remainder at time of delivery
                      • Includes all DFM and both prototypes
                      • Previous solution was about $35/unit
                        • New solution with dome snap switches and injection molded plastic is about $23 to $27/unit
                          • ...more
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                          Circuit Break - A MacroFab PodcastBy MacroFab, Inc.
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