Ug-353 Gps Driver May 2026

dtoverlay=uart5,uart5_rx_pullup=on

The UG-353 was wired to UART5 on a Raspberry Pi Compute Module 4. Marta had written a simple systemd service to start gpsd with the correct options: ug-353 gps driver

Marta checked the datasheet. UG-353 defaults to 9600 baud , but the Linux kernel expected 115200 for the UART. She fixed the stty settings: ug-353 gps driver