Heated Bracelet

This is my simple and rather amateurish heated bracelet built around an attiny.

The heating pad

First of all, I used a simple resistive heater “e-textile” as a heat source. It is driven by a PWM signal that switches a transistor.

The heater is close to the skin, then on top of it …

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A DIY EEG (ECG) Machine

For the moment it is only ECG.

A few months ago I started working on a DIY EEG machine with a bio-major undergrad friend of mine. Here is my attempt at writing a lab notebook for the project after the fact.

The First Prototype

The very first prototype was based …

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