Jeff is a multiple award winning, freelance TV cameraman/film maker and author. Having made both terrestrial and marine films, it is the world's oceans and their conservation that hold his passion ...

This project is to create a Trimix gas analyzer for technical SCUBA applications. It is currently based on an Arduino UNO R3 with a text-only LCD display, a 4-channel ADC and an O2 sensor, inert gas ...

DISCLAIMER: This is a DIY project. Know that making your own nitrox analyzer could be very dangerous if you do something wrong. The risk of not knowing exactly what ...