E edjycated New Member Aug 25, 2003 #1 I need help building a small transmitter/receiver that will sound an alarm at a distance between transmitter/receiver of 20 feet. LED power light, beeping alarm. Please help.
I need help building a small transmitter/receiver that will sound an alarm at a distance between transmitter/receiver of 20 feet. LED power light, beeping alarm. Please help.