Qwiic Quad Relay

Qwiic Quad Relay

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  • Four JZC-11F Relays
    • 5A at 250VAC, 30VDC
    • Each relay has its own colored LED and silk labels for easy identification.
  • Safey Features
    • Ground pour isolated from relays.
    • Air gap around common pin on the relays.
    • Large trace width on relay pins far exceeding the peak 5A current.
  • ATtiny84A
    • I2C commands for toggling individual relays or all the relays at once.
    • I2C commands for turning all relays off or on.
    • Two I2C addresses
      • 0x6D (Default)
      • 0x6C
    • I2C address is software configurable.
    • All commands are listed in the example code.
  • Screw Terminals
    • 26-14 Gauge AWG wire
  • Power
    • Max Current Draw ~250mA
    • Vin via Barrel Jack
      • 7V to 12V
    • Vin via Barrel Jack w/ Bypass Jumper Closed
      • 5V

Revision Changes: The latest revision includes the following updates.

  • Included a normally closed jumper for the power LED.
  • Switching regulator in place of a linear regulator.
    • The switching regulator is much more efficient; no external cooling needed when powering four relays at once.
  • Improved circuitry around the relays.
    • An issue where relays on certain boards in v1.0 didn't switch completely when actuated has been resolved.