Raspberry PI B+ GPIO interface board 2.1

This revision is from 2014/08/20 18:12. You can Restore it.

Include

Schematics

Larger versions

Connectors

  • J1 +24V DC Power
  • J6 J15 - four rotator interface AC od DC Power
  • J5 - RJ9 connector for other I2C temp sensors
  • P16 - where the relay switch voltage on outs, here is voltage IN
  • P1-P12 - GPIO Relay outputs
  • J7-J10 - connect four rotator interface

Jumpers

  • J2 - Power switch and LED
  • J11 - two free A/D inputs
  • P4 - preset relay outputs - ON and OFF separately
  • I2C - set address A/D converter
  • JP1-JP8 - preset power each rotator interface separately
  • J4 - I2C bus
  • J3 - switched +5V for USB hub

Trimmer

  • R27-R30 - voltage divider for A/D cinverter

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