Relativity Engineering Data Logger

ADXL345 Input

This is connected by I2C, two sensors can be connected to the same bus. The pinouts need to be

Pin State Sensor 1 State Sensor 2 Wire Colour Comment
Address 0x53 0x1d
VCC 3V3 3V3 RED
GND GND GND BLK
CS 3V3 3V3 Internal bridge To select I2C, dont leave floating
SDA YEL
SCL WHT
SDO 3V3 GND Internal Bridge To switch address

ICM20948 Input

This is connected by I2C, two sensors can be connected to the same bus. The pinouts need to be

Pin Sensor Pin ESP32 Wire Colour Comment
Address 0x68
VIN 3V3 RED
GND GND BLK
DA SDA YEL
CL SCL WHT