Guys ,
sharing a tiny gadget to monitor bath water temperature , it warns with a beep when water is hot enough to take bath
--battery powered
--hassle free dip and on
* will add a water sensing transistor switch to eliminate the on/off
improvements requested /comments /feeback welcome
other possible uses
-- baby wetting bed detection
--soldering is hot indication
-- auto CPU fan high low control and so on .....
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