You have choosen:[[togetherChouseinfo.num]]
Total amount: [[currency]][[togetherChouseinfo.price]] [[togetherChouseinfo.price]][[currency]]
You have choosen:[[togetherChouseinfo.num]]
Total amount: [[currency]][[togetherChouseinfo.price]] [[togetherChouseinfo.price]][[currency]]
This project introduces to DIY a TDS meter with my analog TDS sensor, and use the meter to detect the TDS of tap water before and after filtration. Moreover, I can use it to do some interesting experiments. Let's have a go.