6 Channel Relay Driver Card

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RELAY DRVR 3D.png

Features

  • Drives Ultimate relay-switched LPF kit
  • Inputs
    • 6 channels
    • Active-high in to drive relay to on state
    • 1K to transistor base
      • 2.7mA for 3.3V drive
      • 4.3mA for 5V drive
  • Outputs
    • Open Collector outputs from 2N3904 NPN transistors
  • Power
    • 9-12V power in
    • 5V power out to power relays
    • DC jack
  • 36x37mm card
    • 3 PCBs for $11 from OshPark

Connectors

J1 - Input Connector

RELAY DRVR J1.PNG

  1. N/C
  2. IN1
  3. IN2
  4. IN3
  5. IN4
  6. IN5
  7. IN6
  8. GND

J2 - Output Connector

RELAY DRVR J2.PNG

  1. GND
  2. OUT6
  3. OUT5
  4. OUT4
  5. OUT3
  6. OUT2
  7. OUT1
  8. 5V OUT

Power Connector

  • Center positive

CAD

RELAY-DRV CAD.PNG