Relay connector

Is there a special connector that fits in the pins of relay modules like the one in the attached picture?


Thank you.

You need a 2.54mm header connector housing with female crimp pins.

image

Note, the above is a 10 pin connector but since you don’t used GND on the relay board, a 9 pin connector would work too.
On the relay BOARD, normally the jumper is removed and the Arduino 5v goes to Vcc.

image

Female Dupont and Servo Crimp Wire Jumper Pin Header Connector
image


D0upWXs_d

Thank you very much for your detailed reply.

This is how I was dealing so far with relay connector (see picture).

The issue is that the connector I was using is expensive. I will start using header connector.
In the 4xrelay I cannot see GND in the jumper. How to deal in this case?
Thank you.

image

Thanks a million! everything is clear for me now.

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