Quote:
Originally Posted by Mr V
You would then want to connect a Spike to a relay port on the RoboRio and the led(s) to the Spike.
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If you're out of relay ports or want something smaller than a spike, you can operate custom circuits using something like
this 5V relay module switched from DIO ports. Modules are also available with single, 4, 8, or 16 relays from a wide variety of vendors.