In the future, I will make a better and more complete water level alarm. In order to increase the conductivity of the water, Cai Yingqin decided to add some ‘condiments’ to the water. After turning on the faucet, I read […]
In the future, I will make a better and more complete water level alarm. In order to increase the conductivity of the water, Cai Yingqin decided to add some ‘condiments’ to the water. After turning on the faucet, I read […]