Plug the jumper extension cables into the pins of the water sensor. Connect the other ends of the jumper cable to the jumper end of the Stemma cable.
- Be sure to connect the corresponding water sensor pins to the correct color of the stemma pins.
- The (-) pin on the sensor connects to the BLACK cable from the stemma connector for GND
- The (+) pin connects to the RED cable for POWER
- The (S) pin connects to WHITE cable for DATA.
- Plug the stemma cable into the A2 slot at the bottom right side of the back of the board.
- The front will have the input labeled as A2.
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