I read a post a while back and I believe it was from Peter Simpson or at least he commented on it. The post had a link in it to a hardware wholesaler with really good prices. I believe the post was about the water level sensor. I did not bookmark it at the time and have looked through all the posts and can't seem to find the link again. The vendor had 20 or so products that would be very useful with the esp8266. Does anyone have a link to the site or recall who the vendor was ?