Wolstan Dixie
New Member
I have bought a Chinese contactless water level sensor. The only documentation is attached:
It works very well - the LED comes on correctly, but I want it to control a motorised valve. Presumably I need to connect a relay to Pin 2. I would appreciate help on how to do this.
Thanks,
Wolstan Dixie
![s-l1600.jpg](https://i.ebayimg.com/images/g/0pIAAOSw2xRYayLe/s-l1600.jpg)
![s-l1600.jpg](https://i.ebayimg.com/images/g/Tw8AAOSwImRYayLk/s-l1600.jpg)
It works very well - the LED comes on correctly, but I want it to control a motorised valve. Presumably I need to connect a relay to Pin 2. I would appreciate help on how to do this.
Thanks,
Wolstan Dixie