Elektor May 2005

Table of Contents Elektor May 2005

• 5.1 Surround Switch Box
  simple but extremely useful
• 9-V Battery Replacement
  (Design Tip)
• Delphi for Electronics Engineers (5)
  measuring with the sound card
• Glow Plug Heater
  for RC models
• Inrush Current Limiter
  (Design Tip)
• Lab Talk (2)
  Component specifications
• Magnetic Flux Density Meter
  with a simple pick-up coil
• Mobile Navigation PLUS
  Movement sensors enhance GPS reliability
• More Current from an LM2575
  (Design Tip)
• PetInspect
  a 16-bit wearable computer for pets
• Programmer for DCC Model Railway Control
  Opens the door to new possibilities
• QuizzAway
  and win!
• Sense Organs for Vehicles
  -
• Temperature & Humidity Sensor
  SHT11 sensor for precision measurements
• TV Servicing Equipment ca. 1955
  (Retronics)