Gravity: Electrochemical Alcohol Sensor (0–5ppm, I2C & UART)
Factory-calibrated electrochemical alcohol sensor measuring 0–5ppm over I2C or UART. Operates on 3.3–5.5V with high stability and 2-year sensor lifetime.
Pinout
- DT1Type · Signal
- CR2Type · Signal
- -3Type · Ground
- +4Type · Power
| Pin | Position | Type |
|---|---|---|
| DT | 1 | Signal |
| CR | 2 | Signal |
| - | 3 | Ground |
| + | 4 | Power |
Pin details
4 connections- DT1Signal
- CR2Signal
- -3Ground
- +4Power
Start wiring
I2C · Analog · UART · 3.3 – 5 V · Breakout
Waveshare lists MQ-2 for combustible gases and smoke, MQ-3 for alcohol, and MQ-135 for mixed indoor pollutants such as NH3, NOx, alcohol,…
Module pins: +, -, D/T, C/R. Schematik maps them to your board in the app.
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