CHESTER-X8
This article describes the CHESTER-X8 extension module.
Module Overview
CHESTER-X8 implements precise low zero g offset 3-axis accelerometer ADXL355 providing the resolution up to 3.9 μg/LSB and measurement range ±2g, ±4g, ±8g.
CHESTER Pin Configuration Diagram
Pin Configuration and Functions
| Position | Signal Name | Signal Description |
|---|---|---|
| 1 | VDD | System VDD rail 3.0 V |
| 2 | GND | System ground signal |
| 3 | DIO1 | User digital input / output #1 |
| 4 | SCL | I2C / SCL |
| 5 | SDA | I2C / SDA |
| 6 | DIO2 | User digital input / output #2 |
| 7 | GND | System ground signal |
| 8 | +V | System positive rail (*) |
*Note: The system positive rail voltage depends on CHESTER power supply option.
Schematic diagram
A schematic diagram is useful if you program low-level hardware-related code or if you're just curious about how the system is designed.
Module Drawing
