Hot Tub Monitoring with Home Assistant and ESPHome

Introduction # This year we put a wood-fired hot tub in our back garden. It&rsquo;s a total indulgence and a real treat. I originally purchased the tub for my wife, but I must admit to having grown quite fond of it myself! The tub itself is made from Canadian Redwood Cedar. The photo below was taken shortly after it was assembled, so there is still a little bit of leakage which stopped a few days…