EP#360: Current Conscience Comparator

Framework, Noctua, and other brands add official 3D models to Printables

• Prusa Research’s “Printables” website added a new section called “Brands”
• Manufacturers and OEMs can upload verified models for their products

CNC Update

• All of the fasteners arrive this week along with the aluminum extrusions
• Build weekend
• Developed a 3d printable cable tie for 4040 t-slots 
  • 3d prints with planned bending sections
  • Other than iteration and experience is there a way to design this?
  • Elastic deformation in the area that we want - avoid plastic deformation on stress-strain curve
• Will be printing along with the spray system from episode 354

The Return of the Cat Feeder Unreminder

• MAX9019 Comparator Oscillator
• Low power design considerations 
  • Consider every current path for leakage current
• Super Capacitor Leakage Comparison 
  • DSF505Q6R0JBG 
    • 5F at 6VDC
    • 40uA leakage
  • HSL0814-3R8106-R 
    • 10F at 3.8VDC 
    • 2.0-3.0uA leakage
• Get the timer working  
  • LTC2956-1
  • 0.8uA
  • Use the enable output to switch between what segments are being driven on the TN LCD
• DG419 signal switcher