My arduino mega 2560 and relay 16 module board doesnt work.

THE problem is in my relayboard.
THE relays will only be triggerd bij de GND signal of THE board itself.
Can someone help me!
Picture will let You see what the problem is.

Picture will let You see what the problem is.

So, you have to post some.

EDIT: And... Welcome! :)

Hi, Welcome to the forum.

Please read the first post in any forum entitled how to use this forum. http://forum.arduino.cc/index.php/topic,148850.0.html

A lot of the relay boards are setup for LOW to ACTIVATE the relay. We await your picture.

Tom.... :)

Post a link to the relay board.

As TomGeorge already mentioned, most relay boards use reverse logic.

A HIGH written to the pin turns the relay off. A LOW turns the relay on.

Leo..

Tried to set the output LOW, without result.

Hi,

Can you please post a copy of your circuit, in CAD or a picture of a hand drawn circuit in jpg, png?

Can you please post a copy of your sketch, using code tags?
They are made with the </> icon in the reply Menu.
See section 7 http://forum.arduino.cc/index.php/topic,148850.0.html

Also a picture of the relay module and your project.

Thanks… Tom… :slight_smile: