Use this tag to indicate the flow of electricity at higher voltage than that used in Arduinos themselves. Examples can include having an Arduino use a relay to switch the electricity for a 120 Volt device like a fan or a light.

Use this tag to indicate the flow of electricity at higher voltage than that used in Arduinos themselves. Examples can include having an Arduino use a relay to switch the electricity for a 120 Volt device like a fan or a light.