All Tingle related code is stored in this GitHub repository: https://github.com/curtpw/tingle-open
Firmware, Mobile App, Web Interface and MLX90615 Thermal Sensor Programming
The Tingle project consists of four applications:
- Firmware running on the Tingle written in Arduino C for the Nordic nRF5x ArduinoCore (see programming instructions in wearable device hacking section of this project and the platform GitHub repository).
- A small Arduino sketch to program the I2C addresses (2A, 2B, 2C, 2D) of the MLX90615 thermopile sensors.
MLX90615 I2C Address Programming Setup
This is my setup for programming MLX90615 thermal sensors. Any Arduino compatible microcontroller will work as long as it supports I2C (pretty much all of them do).
N68 Fitness Tracker PCB Microscope GPIO Diagram
Note: there are both red and blue versions of the N68 PCB. The only difference between them is the presence of a test pad for CS on the OLED display SPI bus. High resolution images available in the GitHub repository.