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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

PositionSignal NameSignal Description
1VDDSystem VDD rail 3.0 V
2GNDSystem ground signal
3DIO1User digital input / output #1
6DIO2User digital input / output #2
7GNDSystem ground signal
8+VSystem 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