When HN users recommended it
1 HN user recommended this in 2016, in one comment.
20072026
Each tall tick is one HN user's first recommendation. A short tick is the same user again. Click a tick to jump to the comment.
1 HN user recommended this in 2016, in one comment.
Each tall tick is one HN user's first recommendation. A short tick is the same user again. Click a tick to jump to the comment.
Yes, sorry. This is the one I'm using: http://www.amazon.com/SainSmart-Sensitivity-Arduino-Mega2560...
Just search for analog water sensor and you'll see a few like this labeled by different companies. There are some that are probably cheaper.