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A Feather board without ambition is a Feather board without

This is the Latching Mini Relay FeatherWing.

It gives you power to control, and control over power. Put simply, you
can now turn on and off lamps, fans, solenoids, and other small
appliances that run on up to 250VAC or DC power using any Feather

Using our Feather Stacking Headers or Feather Female Headers you can
connect a FeatherWing on top of your Feather board and let the board
take flight.

The are two 'flavors' of these FeatherWings, this is the Latching
relay. This one requires two pins, a SET and UNSET and instead of
keeping the SET pin high, you only have to pulse each pin high for
10ms to latch the relay open or closed. You need two pins but save
power. Note, if power is lost, the relay will stay in the last

The other type of relay FeatherWing is the simple Non-Latching relay,
it requires only a single signal pin.

Both FeatherWings use the same family of relay. You can switch up to
2A of resistive current at 30VDC or ~40VAC or lower. At 110VDC you can
switch up to 0.3A, at 120VAC up to 0.5A, and at 250VAC you can switch
up to 0.6A. Check the datasheet for the relay for the exact switching
capacity, and of course, for reactive/inductive loads you will need to
derate. This isn't a relay you can use to turn on and off your
washer/dryer, stick to 60W or less.

Each FeatherWing comes with a fully assembled and tested PCB, header
you can use to attach to your feather. You also get a 3-pin terminal
block you can use to wire up whatever you are going to be
relay-controlling. Some light soldering is required.

Please note: If using with high voltages (> 24V) use care and common
sense! High voltages require experience, and are only for use by
engineers who are comfortable with guidelines and know how to use

* 50.8mm x 22.9mm x 11.4mm / 2" x 0.9" x 0.45"
* Weight (just the board): 5.3g


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General information

Manufacturer Adafruit Industries
Product type Electronics relays & Fuses
Item number5999247
Manufacturer no.ada-2923

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Warranty & right to return

Warranty 24 month Bring-in

Limited right of return

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Adafruit Industries Adafruit Latching Mini Relay FeatherWing Adafruit Industries Adafruit Latching Mini Relay FeatherWing