Description: Grove - 3-axis digital accelerometer ±16 g low power (BMA400)
Grove module 3-axis ±16 g low power digital accelerometer.It is a12-bit digitalthree-axis sensor that detects accelerationandmovement. The sensor is able to detect body alignment, walking, running and standing still. Based on theBMA400chip. Poweredfrom 3.3 V to 5 V. Grove cable is included.
Grove - 3-axis digital accelerometer.
| The user guide is available onmanufacturer's side. |
Functions and applications of the Grove module with 3-axis accelerometer
- Very low power consumption.
- Programmable functions.
- Interrupt function on the chip.
- Can be used as a step counter.
- Fitness applications / Activity Tracking.
Connecting an accelerometer from Grove
The module is equipped with Grove interface for easy connection with ArduinoandBase Shield v2.0overlay using the included cable.
| Pin | Description |
|---|---|
| 1. | SCL - clock line I2C |
| 2. | SDA - I2C data line |
| 3. | System power supply from 3.3 V to 5 V |
| 4. | System weight |
| 5. | BMA400 module |
Technical specification for Grove 3-axis digital accelerometer
| Parameter | Scope |
|---|---|
| Supply voltage | 3.3 V to 5 V |
| Energy consumption |
18uA @5V |
| Operating temperature |
From -40℃ to +85℃ |
| Acceleration range | ±2 g, ±4 g, ±8 g, ±16 g |
| Sensitivity | 1024 LSB /g @ ± 2 g 512 LSB /g @ ± 4 g 256 LSB /g @ ± 8 g 128 LSB /g @ ± 16 g |
| Interface | I2C |
| I2C address | 0x15 (default) / 0x14 (optional) |
| Dimensions | 40 mm x 20 mm x 10 mm |
| Mass | 3.2 g |
Useful links |
