SEN0474 · DFRobot
A sensor for detecting hydrogen chloride concentrations, featuring analog, I2C, and UART outputs, high sensitivity, stability, and compatibility with Arduino. (DFRobot SEN0474)
| Part number | SEN0474 |
|---|---|
| Manufacturer | DFRobot |
| Category | Sensors › Gas & Air Quality |
| Pins | 4 |
Gravity: HCL Sensor (Calibrated, I2C & UART, 0-10ppm) pinout
| Pin | Name | Type | Description |
|---|---|---|---|
| 1 | VCC | power | |
| 2 | GND | ground | |
| 3 | C (SCL/TX) | bidirectional | I2C SCL, or UART - see the module's pinout |
| 4 | D (SDA/RX) | bidirectional | I2C SDA, or UART - see the module's pinout |
Schematic symbol and footprint
Schematic symbol
Footprint: JST PH 2.0 mm 4-pin through-hole (Gravity PH2.0-4P) — to scale, pad 1 in yellow (mm). Check against the datasheet before ordering PCBs.
Related parts
Adafruit BME680 - Temperature, Humidity, Pressure and Gas SensorADA3660
Adafruit ENS160 MOX Gas Sensor - Sciosense CCS811 UpgradeADA5606
Adafruit MiCS5524 CO, Alcohol and VOC Gas Sensor BreakoutADA3199
Adafruit PMSA003I Air Quality BreakoutADA4632
Adafruit SCD-30 - NDIR True CO2 Temperature and Humidity SensorADA4867
Adafruit SGP30 Air Quality Sensor Breakout - VOC and eCO2ADA3709
ENS160
Gravity: Electrochemical Oxygen / O2 Sensor (0-25%Vol, I2C)SEN0322