
Dissolved oxygen sensor and analog signal converter kit. Compatible with Arduino, Raspberry Pi, and ESP32 for water quality monitoring.
Analog signal output from the conditioner board, from DFRobot SEN0237-A wiki pinout table.
VCC supply input on the Gravity analogue interface, from DFRobot SEN0237-A wiki pinout table.
GND on the Gravity analogue interface, from DFRobot SEN0237-A wiki pinout table.
BNC probe cable connector for the dissolved oxygen probe, from DFRobot SEN0237-A wiki pinout table.
Analog · UART · 3.3 – 5 V · Gravity
Confirm the data interface matches your host board.
Module pins: +, -, A. Schematik maps them to your board in the app.
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| Pin | Position | Type | Function | Voltage |
|---|
| A | 1 | signal | Analog signal output from the conditioner board, from DFRobot SEN0237-A wiki pinout table. | 0-3.0V output signal per DFRobot wiki specification. |
| + | 2 | power | VCC supply input on the Gravity analogue interface, from DFRobot SEN0237-A wiki pinout table. | 3.3-5.5V supply per DFRobot wiki specification. |
| - | 3 | power | GND on the Gravity analogue interface, from DFRobot SEN0237-A wiki pinout table. | |
| BNC | 4 | connector | BNC probe cable connector for the dissolved oxygen probe, from DFRobot SEN0237-A wiki pinout table. |
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