Automatic watering with electrovalv

Hi there,

I am building an automatic watering arduino basef system fonctioning with an electrovalv(9v) running through a vma 406 Relay.

The code runs smoothly on temperature sensor,, relay is on but nothing clicks on the electrovalv.

I was wondering if I dont need an extra power, or resistors as Ive seen on the web (although at first sight I did not think so).

Coule you guys telle me if I misconnected relay and electrovalv ? What do I nées to do?

Touch here for the full post on the Arduino Apprentices tumblr

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