The NotaBotYet 6-Channel GPIO Relay Board can be used in conjunction with Wheatnet-IP Logic I/O ports to control tally lights on popular mic arms.  Most of these types of mic arms have a ring of multiple LEDS that are used to indicate which mic is live on the air.  These LEDs at 12 volts typically … Continue reading Application Note: Lighting Mic Arm Tally Rings with Wheatnet-IP Blades