bluetooth Archives - while (true) { }

24 February 201825 July 2018

M5Stack – Review and useless saturday code

This is my new nerdy stuff: M5Stack, Arduino compatible!

M5Stack is an open source enclosed modular toolkit with stackable modules, user-friendly IDE, enabling rapid and high-quality prototyping

Continue reading “M5Stack – Review and useless saturday code”

11 June 201725 July 2018

Arduino/iOS – Bike speedometer tracking using bluetooth

Scope of the project,
add a speedometer on my MTB to store and track the trip using only Bluetooth transmission, send data to iPhone and store to cloud for later data-analysis.

Used components:

digital display (controlled by the iOS app). Can show current speed (km/h), total km, current temperature, current humidity.
GPS module
bluetooth module
DHT sensor for temperature and humidity
Swift backend
mongoDB as database
Swift iOS App

Continue reading “Arduino/iOS – Bike speedometer tracking using bluetooth”