Past Featured Articles of: ke3fl

• To be or Not to be a Magnetically Induced Rechargeable Flashlight? - 10/13/2006
  
  
• Build a Recharge Center or Get Control Of Your Power Vampires! - 10/06/2010
  
  
• Reusing a Wall Wart, Revisited - 2/15/2011
  
  
• Coat Hanger Skyhook - 02/18/2015
  
  
• Scrap PVC Ant Mount - 12/18/2015
  
  
• Build a Five-LED AC Night Light - 07/21/2016
  
  
• How to Figure the Useful USB Power Bank Ah Rating - 10/24/2017
  
  
• Lithium Batteries are NOT all Created Equal! - 01/25/2018
  
  
• Beyond the Simple Joule Thief - 1/20/2014
  
  
• Sonic Switch Repair - 03/11/2019
  
  
• uBITx Homebrew Microphone - 04/01/2019
  
  
• Adjustable Add-On Power Supply - 11/01/2019
  
  
• Center-Tapped Joule Thief Plus - 9/15/2019