digital buffer

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• 

  SafePI – RaspberryPI 1B+, 2 and 3 battery backed safe shutdown / UPS

  • It notify the RPI on power fail on a configurable GpIO 
  • recharge the batteries.
  • voltage regulator, accept from 5V to 25V.
  • Low battery drain  when off 
  • optionally stackable 
  • It uses 4x commonly available  AA Ni-MH batteries
  • Very long battery duration
  • Open Source design (GPL Licensed)
  €9.00
  0 in stock Read more
• 

  3drag PowerPWM

  • Fast digital buffer 
  • opto-isolated circuits
  • 8 to 16V input
  • 24V up to 10A for the output circuit
  • open source design
  • ideal for driving 3drag/k8200 and other 3d printers heatbed with an additional 24V powe unit
  €9.00
  -4 in stock Read more