
SEN0469 · DFRobot

The sensor detects ammonia concentration with analog, I2C, and UART outputs. It's factory-calibrated, highly sensitive, and compatible with various controllers. (DFRobot SEN0469)
| Part number | SEN0469 |
|---|---|
| Manufacturer | DFRobot |
| Category | Tools, Test & Supplies › Test & Measurement |
| Pins | 4 |
Gravity: NH3 Sensor (Calibrated) - I2C & UART 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.
