Difference between revisions of "6 Channel Relay Driver Card"

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== Control via VFO-003 ==
 
== Control via VFO-003 ==
  
* [[VFO-003]]
+
* [[VFO-003]] - J8 - Arduino P5-P9
 +
 
 +
# P5
 +
# P6
 +
# P7
 +
# P8
 +
# P9
 +
# Vcc
 +
# GND
 +
 
 +
[[file:VFO-003_J8.PNG]]
  
 
== Testing ==
 
== Testing ==

Revision as of 15:48, 21 January 2022

RELAY DRVE P1981-720PX.jpg

Features

  • Drives Ultimate relay-switched LPF kit
    • Open collector to turn off relay
    • Drives low to turn on relay
    • Only turn on one output at a time
  • Inputs
    • 6 channels (5 used)
    • Active-high in to drive relay to on state
    • 3.3K to transistor base
      • 1 mA for 3.3V drive
      • 1.5 mA for 5V drive
  • Outputs
    • Open Collector outputs from 2N3904 NPN transistors
  • Power
    • 9-14V power in
    • 5V power out to power relays
    • DC jack
  • 36x37mm card
    • 3 PCBs for $11 from OshPark

Ultimate Relay Card

Ultimate Relay Card 5.jpg

  • Jumpers

Jumpers-BPF.gif

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

  • 7-14V input
  • Center positive

Control via VFO-003

  1. P5
  2. P6
  3. P7
  4. P8
  5. P9
  6. Vcc
  7. GND

VFO-003 J8.PNG

Testing

  • Apply 9-12V to DC jack
  • Use LED w/ resistor on output to check 5V
  • One channel at a time
    • Pull up channel input to +5V
    • Check output with LED pulled up to +5V out

CAD

RELAY-DRV CAD.PNG