Ox02c: Using time switches instead of Arduino

Generation of oxygen enriched air with commonly available parts. You can find a more detailed description of the setup + a component list on our website. Project website: https://fml.ethz.ch/Oxygenator.html Explaining on how to concentrate oxygen in remote areas:    • How to make oxygen using pressure swing ad...   Prototype Ox01d:    • Ox01d: Using a snorkelling mask for admini...