CVARS K7PG     

     CVARS    K7PG
  The Chehalis Valley
 Amateur Radio Society
A  501(c)(3) Non-profit

      ARRL special service club
 
 

Electronics Workshop - April 27, 2023

Time & Location:

Topics:
  1. Illuminated Light Switch
  2. USB Interface for Transceivers
  3. Sealed Lead Acid Batteries
  4. Pure vs Modified Sine Wave Inverters
  5. QSL Cards
  6. Potpourri

Notes:
Illuminated Light Switch:
  1. Hot Resistance vs Cold Resistance for incandescent light bulbs:
    https://www.edn.com/hot-resistance-versus-cold-resistance/
  2. "Neon NE-2 Circuits You Can Build," by Lewis Loflin
    https://www.bristolwatch.com/ele/neon.htm
USB Interface for Transceivers:
  1. "USB Interface for Transceivers," by Anthony Le Cren, pg 30-31, QST, April 2023
  2. QST-in-Depth:
    https://www.arrl.org/files/file/QST%20Binaries/2023%20QST/04%20Apr%2023/QST-0423-LeCren-QST-in-Depth.pdf
  3. Anthony Le Cren's Radio Projects page:
    https://hamprojects.wordpress.com/
Sealed Lead Acid Batteries:
  1. "CSB Battery Product Manual":
    https://www.toshiba.com/tic/datafiles/brochures/Hitachi-All_Battery.pdf
  2. “How to Maintain and Care for Your SLA Battery”:
    https://www.power-sonic.com/blog/batteries/care-for-sla-batteries/
  3. “How to Charge a Lead Acid Battery”:
    https://www.power-sonic.com/blog/how-to-charge-a-lead-acid-battery/
  4. “Sealed Lead Acid Battery Recovery”:
    https://youtu.be/2JIzSxqWids
  5. “Da Pimp 2 Assembly Instructions”:
    https://www.instructables.com/DP2-Da-Pimp-2-Assembly-Instructions/
  6. Da Pimp 2 Project files on GitHub:
    https://github.com/dchang0/dapimp2
Pure vs Modified Sine Wave Inverters:
  1. "Pure Sine Wave VS. Modified Sine Wave Inverters - What's The Difference":
    https://www.altestore.com/blog/2015/10/#.ZEcRnM7MJhE
QSL Cards:
  1. Microsoft Word QSL Template File:
    www.qsl.net/n9bt/qsl_template.docwww.qsl.net/n9bt/qsl_template.doc

Potpourri
TopicP:

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