Marco David Martinez
Created June 17, 2021 © Apache-2.0

Obesity and sedentarism abolisher fanny pack

Power by nrf5340 DK connected to a GPS, Accelerometer, audio amplifier /1 Watt 8-ohm speaker, and UV Sensor. The display will get used to di

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Things used in this project

Hardware components

nRF5340 Development Kit
Nordic Semiconductor nRF5340 Development Kit
Adafruit Ultimate GPS Breakout
Adafruit Ultimate GPS Breakout
Adafruit Audio FX Sound Board + 2x2W Amp - WAV/OGG Trigger -16MB
Adafruit SI1145 Digital UV Index / IR / Visible Light Sensor
Speaker: 3W, 4 ohms
Speaker: 3W, 4 ohms

Software apps and online services

Zephyr RTOS
Zephyr Project Zephyr RTOS
Fusion 360
Autodesk Fusion 360


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Custom parts and enclosures

Speaker Enclosure


Project Schem

Project BB




Marco David Martinez

Marco David Martinez

2 projects • 1 follower
Mexican IoT enthusiast that loves microcontrollers, wearables, and drones. I'm a full-time NodeJs developer that is switching to IoT