DMSP

This git-repository is a collection of components and prototypes for the Dynamic Mobile Sensing Platform. The primary goal for this project specifically is to develop a device capable of collecting GNSS-positioning data as well as acceleration data along all axis. The data is transfered via the MQTT-messaging protocol. For more information, refer to Dynamic Mobile Sensing Platform.

Components

A brief overview of all the components required for this project

Microcontroller

Raspberry Pi Pico
Esp32 DevKitC

Acceleration Sensor

ADXL 345
ADXL 355
ADXL 367

GPS

Neo-6M
Neo-9M

SD Card

SDMMC-host on ESP32 with external SD-module

IMU

ICM20948 9-DoF IMU

Development frameworks used

• PlatformIO
• Micropython

Features

• FreeRTOS: a real-time operating system for microcontrollers to run multitask-, time-critical and resource constrained applications
• Deep-Sleep for controlled and reduced power consumption
• TensorFlowLite for Microcontrollers to run Deep-Learning Models on the processor (Edge AI)
• Blynk: an IoT-Platform with full back-end infrastructure for features such as Mobile App, Web Dashboard, Device Provisioning, Remote Control, Over-The-Air firmware updates, etc...

Prototype 1

• Development framework: Micropython
• This prototype is used for fast experimenting and proof of concepts due to the easy implementation Micropython offers

Components and their Peripherals

• Microcontroller: Raspberry Pi Pico
• ADXL345 via I2C0
• NEO6M via UART1
• SIM7080G via UART0
• SD via SPI1

Prototype 2

• Development framework: PlatformIO

Components and their Peripherals

• Microcontroller: ESP32 DevKitC
• ADXL355 via SPI
• NEO9M over I2C
• SD over SDMMC
• ICM20948 over I2C

More Ideas

Here you can commit your ideas for the project: