Circuit Break - A MacroFab Podcast
Technology
Connector Confusion
Congratulations to our Slack member Mobius Striptease! Mobius’ pulse generator won first place at their Senior Design Expo!
Article written about MacroFab: Houston electronics manufacturing company gears up for growth. Talks about the growth of MacroFab over the past 2 years.
ParkerRPI3 Compute ModulePCM5122 RoutedLAN9514 Routedsingle upstream USB port on BCM2835Pin 44 Ethernet 25MHz outputPin 31 LAN RESETInformation found on the Raspberry pi forumNeed to add USB current limitingCM3 HOMEGuido Ottaviani made his own carrier board I have been looking at for inspiration to solve some of the final problems1473149-4Connector being used to socket the RPI3 Compute ModuleStephenCrazy EQ amplifier design continuationOpted to go with a card edge solution for each EQ bandEach band connects via a 36 pin PCI-Express connector+12V-12V+5v Reference-5V referenceGnd4 In SignalsCutBoostPotentiometer pin 221 modules in total. 1 module has all of the power and main signal in/out from the amp. This sends all of the other modules their power/ground and signals.Need to rethink things - Feedback loops are crappy.. Need to go with a 64 pin solution20 ins and 20 outsBeveled edges and Hard Gold plating discussion in a future episodeR.F.O.Debugging I²C with HardwareI²CDriver is a crowdfunded effort by James BowmanOpen Source tool used to easily drive I2C devicesControls with a GUI, command-line, C and C++ using a single source file, or Python 2 and 3, using a moduleLow Cost Reverse Polarity and Over Current ProtectionJeri Ellsworth's new video on reverse bias protectionHas a Robbie Robot on her desk!Methods“One of the options is to do nothing”Diode inputExploding DiodePMOS FETLow rds on - “almost not there”Body Diode - Watch out for thisVisit our Public Slack Channel and join the conversation in between episodes!
Tags: 1473149-4, 20-Band, CM3 Home, electronics podcast, EQ, i2c, Jeri Ellsworth, LAN9514, MacroFab, macrofab engineering podcast, Mobius Striptease, PCM5122, Reverse Polarity, Reverse Polarity Protection
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