Water Level Switch

Water Level Switch — Seeed Studio — 311120001

Float-ball reed switch that closes when the liquid level rises to the float position; rated 100V DC / 0.5A switching, max 250V DC breakdown, –10 to +80°C. 40cm cable; no active circuitry required.

Pinout

Logical pinout · physical placement not verified
WATER LEVEL SWITCHREDBLACK
  • RED
    Type · Signal
  • BLACK
    Type · Signal

Start wiring

Analog · UART · 3.3 – 5 V · Gravity

Verify supply voltage and logic levels before powering up.

Module pins: RED, BLACK. Schematik maps them to your board in the app.

Soil & liquid

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