Adafruit Latching Mini Relay FeatherWing

This is a small add‑on (“FeatherWing”) board for Adafruit Feather microcontrollers that adds a latching mechanical relay, letting your Feather safely switch higher‑voltage loads like lamps, fans, or small solenoids. It can control devices running up to 250 VAC or DC using your low‑voltage Feather board.

Key specs and features

• Latching relay: Uses SET and UNSET pins; you only need to send a ~10 ms pulse to each to change state, instead of holding one pin high, which saves power.
• Load rating:
  • Up to 2 A resistive at 30 VDC or ~40 VAC.
  • Up to 0.3 A at 250 VAC (lower for higher AC voltages).
    Suitable for small appliances, lamps, or fans up to roughly 60 W.
• Form factor: Fits any Feather board using stacking headers; includes a pre‑assembled PCB, stacking header, and a 3‑pin terminal block for wiring the external load.

Safety and use notes

• High‑voltage warning: Designed for experienced users; extra care is needed when wiring >24 V circuits.
• Behavior on power‑loss: The relay remembers its last state; if the Feather loses power, the switched circuit stays on or off until you pulse the relay again.

Note: Exact dimensions are about 50.8 mm × 22.9 mm × 11.4 mm (2.0" × 0.9" × 0.45").
Disclaimer: The images shown are for illustration purposes only and may not be an exact match.