EP#76: The Greek Tragedy of ADCs

EP#76: The Greek Tragedy of ADCs

The Greek Tragedy of ADCs

  • Parker
    • With the success of the Raspberry Pi Compute Module LVDS test board. I started putting together the PinHeck REV8 board
    • More Python and OpenCV work (fun!)
      • Have the webcam taking pictures
      • Auto Crops and records all the images of parts
      • Looking into a higher resolution camera, more info on that later
  • Stephen
    • Parts for the filter finally shipped!
    • Started putting together the boards
      • Like the multi colored jumpers
      • Veroboard - Strip Board Mouser Part Number 854-ST2
      • 80 x 100 mm with mounting holes
      • Use a 7/32" drill bit and a jeweler's drill to cut traces and brillow pad to clean up
    • Going to add a tube preamp to the synth output
      • Already have the preamp built. Just need to connect it.
      • Schematic
    • Tritrix speakers and the nutube amp.
      • Kicking up the nutube amp again
      • The speakers are almost built just need to paint and finish
      • 3d printed a plate for soldering the crossover to
  • Pick Of the Week (POW)
    • Nuvoton NAU7802 - found on the Nice Chips Subreddit
      • Precision low-power 24-bit ADC , with an onboard low-noise PGA, onboard oscillator, and a precision 24-bit sigma-delta ADC . Capable of up to 23-bit ENOB (Effective Number Of Bits) performance.
      • SOP-16 or DIP-16
      • I2C
      • $2.22 in singles
      • Gotcha @10SPS, PGA=1
  • Rapid Fire Opinion (RFO)
    • At Last, (Almost) A Cellphone With No Batteries! - HackADay
      • University of Washington
      • The first-ever battery free cell phone, able to make calls by scavenging ambient power.
      • Not really a cellphone. Its really a remote handset for a base station.
      • 3.5 microwatts and transmits 31 ft away.
    • Evaluation boards for USB type-C power delivery - Electronics Weekly
      • Rohm has announced USB Power Delivery (USBPD) transmitter/receiver evaluation boards.
      • 15 to 100W

Avsnitt(448)

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