MEP EP#256: Color Clashing Chip Consolidation

MEP EP#256: Color Clashing Chip Consolidation

MEP EP#256: Color Clashing Chip Consolidation

Parker

  • Whats up with the Cat feeder unreminder?
    • Still waiting on components to test with
    • PinoTaur taking priority
    • Email PDFs of wiring harnesses
  • Jeep Fan Project Revisit
    • Jeep Fan was a project idea to take sensor input from all over the Jeep and display on a VFD
    • Universal Multi Gauge exist but kinda suck
    • Rear view mirror has a screen in it
      • Composite video?

Stephen

  • Negative in negative out SMPS
    • Help from PhilG and Tom Anderson from the slack channel
    • Need -5.5V that is derived from a -12V rail
    • Cannot derive from a positive rail (would be easy)
    • LTC3805
    • Design note 1022
      • Perhaps something is weird here. There were two app notes… now there are one…
      • Current mirror solution for feedback voltage
    • LT8302 is like 4 or 5 bucks in qty
    • LT1070
  • Cool Chip - SSI2130
    • VCO core in a package
    • Linear through zero

Jaksot(448)

EP#8: Bits That Don’t Quit

EP#8: Bits That Don’t Quit

Podcast NotesStephen and Parker do a live discussion on how the digital and analog side of the Super Simple Power Supply will interface with each other. MultiSim has been a huge part in simulating the...

25 Maalis 201639min

EP#7: The Art of Retention Force

EP#7: The Art of Retention Force

Parker has almost finalized the front panel design for the Super Simple Power Supply. Going to have a "VU" meter for how much power it is pulling.Parker is also still looking for a proper encoder that...

18 Maalis 201624min

EP#6: Mythical Transistors

EP#6: Mythical Transistors

Podcast NotesParker is still working on the Super Simple Power Supply. He is designing the front panel. He is considering using some WP1043 Kingbright LEDs.Super Simple Power Supply will have two deci...

11 Maalis 201625min

EP#5: Tilting Tubes

EP#5: Tilting Tubes

Parker ordered all the parts for the SAIM this week. The v-slot rails and brackets from OpenBuild, iES-1706 servos from Leadshine, and 3D printed parts from Shapeways.MacroFab uses 3D printed parts to...

4 Maalis 201647min

EP#4: Linear Effects of Licensing

EP#4: Linear Effects of Licensing

Audio quality of the podcast leveled up! Stephen and Parker went over to The Pharmacy Recording Studio which is run by Josh Moore. He hooked them up with 2 (!) microphones and a nice an acoustically p...

26 Helmi 201617min

EP#3: Liquid Toroidal Electrons

EP#3: Liquid Toroidal Electrons

Stephen and Parker have been testing the main opamp for the OPA541. Stephen wrote a blog post detailing the opamp tests with simulation and real world testing.GitHub link to the repository for the SSP...

19 Helmi 201622min

EP#2: Mechanical MultiSIM Monsters

EP#2: Mechanical MultiSIM Monsters

Stephen continues his work on the Stupid Simple Power Supply (SSPS). He decided to go digital voltage control over analog. Also he has been trying out MultiSIM BLUE by Mouser for circuit simulation. S...

10 Helmi 201620min

EP#1: Opamp-timal Power Supply

EP#1: Opamp-timal Power Supply

Stephen talks about the Stupid Simple Power Supply (SSPS). He designed a OPA541 breakout board for testing. See figure 1.OPA541 Datasheet : Street price of $21.88.Parker brings up that blinky LEDs are...

9 Helmi 201623min

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