[chbot] Oxygen / Argon sensor

Marshland Engineering marshland at marshland.co.nz
Sun Jun 7 12:40:29 BST 2020


Car O2 sensors have to be hot to work. There are narrow and wideband units.
Wideband needs a lot of electronics to get reasonable readings out. 

Simple method, place head in jar, if you can breathe - oxygen, if not argon. 

Cheers Wallace




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