CVARS WA7UHD  

   CVARS  —   WA7UHD
  The Chehalis Valley
 Amateur Radio Society
A  501(c)(3) Non-profit

  ARRL special service club

 
 
 

Electronics Workshop - January 30, 2020

Time & Location:

Potpourri of Topics:
  1. What are You Working On?
  2. What have You Learned?
  3. Over-the-air TV
  4. Dual Folded Dipole Antenna
  5. Motion Detecting Night Light
  6. "Joule Thief"
  7. Sound Card Oscilloscope
  8. MOS Technology 6502 (1976)

Notes:
  1. Digi-Key datasheet for the Zilog ZRE200GE Passive Infrared Motion Sensor
    https://www.digikey.com/product-detail/en/zilog/ZRE200GE/269-4955-ND/5147335

Reference:
Over-the-air TV:
  1. https://antennaweb.org/
Dual Folded Dipole Antenna:
  1. https://www.telewave.com/product/ant150d3-folded-dipole-antenna-138-174-mhz/
"Joule Thief":
  1. Humanalight
    http://www.earstoourworld.org/humanalight
  2. Alternate to Humanalight
    https://www.circuitlab.com/circuit/k2zdm3/dual-2222-joule-thief/
  3. Circuit Lab schematic drawer and circuitsimulator
    https://www.circuitlab.com/
  4. One-Transistor "Joule Thief"
    https://en.wikipedia.org/wiki/Joule_thief
    https://www.instructables.com/id/Make-a-Joule-Thief/
  5. One-Transistor Supercharged "Joule Thief"
    https://devopedia.org/images/article/181/5840.1559387187.gif
Sound Card Oscilloscope:
  1. "Turn Your Computer's Sound Card into a Scope"
    Nuts and Volts, Issue-4, 2019, pg. 74-81
    https://www.nutsvolts.com/magazine/article/turn-your-computers-sound-card-into-a-scope
  2. Sound Card Oscilloscope Software
    https://analogdiscovery.com/download/
MOS Technology 6502 (1976):
  1. MOS KIM-1
    http://oldcomputers.net/
Newer Breadboarded 6502 Systems:
  1. Vectron 64 build on 6 breadboards
    http://oldcomputers.net/
  2. A different system build on 3 breadboards
    https://eater.net/6502

Updated 01/27/2020.    Email webmaster.      Facebook Link