Fairchild Semiconductor 1N914

Reference Designs (3)

• 
  DavidChouinard / 40 kHz Ultrasonic Sonar Ranger

  Works from ~2 cm to several meters. Original design.
  Last updated November 29, 2011
• 
  emmdev / 40 kHz Ultrasonic Sonar Ranger

  Works from ~2 cm to several meters. Original design.
  2

  Last updated November 29, 2011
• 
  astra / Fork test

  Works from ~2 cm to several meters. Original design.
  Last updated November 29, 2011