OpenIMU-MiniLogger

OpenIMU - Open Hardware Mini Logger based on ESP32.

Please see also : OpenIMU Compatible Sofware.

Authors

• Dominic Létourneau
• Vincent-Philippe Rhéaume
• Cédric Godin
• Philippe-Olivier Provost
• François Michaud
• Simon Brière
• Mathieu Hamel
• Thomas Godel
• Philippe Boulet

Pictures

PCB

Case and ports

Starting Screen, Main menu and Configuration Menu

Features

• ESP-WROOM-32 based with :
  • ESP 32 Overview
  • WiFi
  • Bluetooth
  • High speed uSD Card Interface (for data logging)
  • High speed USB Mass Storage Interface
  • USB Battery Charger
  • High capacity battery using Motorala BF5X 1500mA form factor.
  • Voltage and Current Monitor
  • 9 axis MPU9250 IMU
  • uBlox CAM-M8Q GPS
  • NXP / FreeScale MPL115A2 Barometer
  • WaveShare 0.95" RGB OLED Display
  • JST JUMPER 08SR-3S connection. with configurable CAN, UART, I2C, Digital I/O.

Firmware

• Using PlatformIO
  • Arduino Style (Running in a FreeRTOS Task)
  • Additional use of FreeRTOS Tasks

Schematics & Fab Files

• Click on this link for AltiumPCB files
• Schematics

Case & Mechanical Drawings

• Click on this link for Solidworks and STL files

3D Printing

• Top Cover STL x1
• Back Cover STL x1
• Button STL x4
• Battery Spacer STL x1

Building The Project

• Please follow the procedure here.

• Click on this link to learn how to use the OpenIMU-MiniLogger

See Also

• OpenIMU - Open Source Analysis Software
• OpenWIMU - Activity Tracker Hardware and Software Platform