Someone on here was using keet ( keet.io ) to live videomonitor their grill/smoker temp, seems like a decent solution if you're not looking for recording capabilities.
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pear://keet/yry5f6hctja4dwbmpfxbpngqgjp6oiz3hqtzhimcseumfusi3koaeykkdtpe7u4pkubpkt4tykmjrpknr5an9ncjnw63w711x1q8pmkeqc