Gravity: Analog Spear Tip pH Sensor / Meter Kit
Analog pH meter kit with a spear-tip probe electrode. Outputs an analog voltage readable by Arduino analog inputs.
Pinout
- AOfficial table 3 row 1
Analog signal output (0~4.0V)
Type · Ground - +Official table 3 row 2
Positive power supply (5.0V)
Type · Ground - -Official table 3 row 3
Negative power supply (GND)
Type · Ground - BNCOfficial table 3 row 4
pH probe connector
Type · Unknown
| Pin | Position | Type | Function |
|---|---|---|---|
| A | Official table 3 row 1 | Ground | Analog signal output (0~4.0V) |
| + | Official table 3 row 2 | Ground | Positive power supply (5.0V) |
| - | Official table 3 row 3 | Ground | Negative power supply (GND) |
| BNC | Official table 3 row 4 | Unknown | pH probe connector |
Pin details
4 connections- AOfficial table 3 row 1
Analog signal output (0~4.0V)
Ground - +Official table 3 row 2
Positive power supply (5.0V)
Ground - -Official table 3 row 3
Negative power supply (GND)
Ground - BNCOfficial table 3 row 4
pH probe connector
Unknown
Start wiring
Analog · UART · 3.3 – 5 V · Gravity
Verify supply voltage and logic levels before powering up.
Module pins: A, +, -. Schematik maps them to your board in the app.
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