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    Multiple 5v relays inline

    I'm almost done with my project and all the guidance has been a tremendous help. Thank you all!
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    Multiple 5v relays inline

    Like these? https://a.co/d/gc9GiHV
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    Multiple 5v relays inline

    Thank you. I was looking at something that looks very similar. I was planning on this without the indicator leds.
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    Multiple 5v relays inline

    So, I'm thinking about adding a7th relay that triggers from the arduino and that one relay will switch power to all the others. That should work, right? The arduino can switch one relay at 5v 72mA for the one relay, can't it?
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    Multiple 5v relays inline

    That all makes sense to me. The power supply is a OneSpot, so, 9vdc 1700mA. I have it passing through a voltage regulator that drops it to about 5.5vdc. I had the negative tied to the regulator and the positive coming from pin 9 on an an Arduino Leonardo. Maybe, as noted by Martaine2005 the pin...
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    Multiple 5v relays inline

    I was running from pin 9 on a Leonardo board.
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    Multiple 5v relays inline

    I'm very confident that my power supply is more than enough to power these 6 coils.
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    Multiple 5v relays inline

    This is an example of what I'm getting.
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    Multiple 5v relays inline

    Hi. I have a project where I'm using 6 5v pcb coil relays so that one power source will switch all 6 at one time. I usually use the pre-made boards but have a space constraint so I thought I'd be able to just use the switch coils by themselves. I tried one and it worked fine so I wired up all 6...
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