inputs.text: great hardware accurate low power easy setup diy project - used raspberry pi project seehems run fine 33v directly pi took little bit work used adafruit guide first documentation find google raspberry pi gps module specifically parts hardwiring directly gpio pins although certain would work serial usb welli little soldering one first solder jobs ever came fineit able pin location within 10 feet indoors pretty good tree coverage area pretty amazing performance 25 piece hardware bought iti cannot recommend enough diy projects