SEN0128 · DFRobot
An adjustable alcohol sensor using MQ3 probe for Arduino, with high sensitivity to alcohol, less to Benzine. Includes analog cable and supports plug-and-play. (DFRobot SEN0128)
| Part number | SEN0128 |
|---|---|
| Manufacturer | DFRobot |
| Category | Sensors › Gas & Air Quality |
| Pins | 3 |
Gravity: Analog Alcohol Sensor (MQ3) pinout
| Pin | Name | Type | Description |
|---|---|---|---|
| 1 | SIG | bidirectional | Digital or analog signal |
| 2 | VCC | power | |
| 3 | GND | ground |
Schematic symbol and footprint
Footprint: JST PH 2.0 mm 3-pin through-hole (Gravity PH2.0-3P) — to scale, pad 1 in yellow (mm). Check against the datasheet before ordering PCBs.
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