Setting Up USB-to-Serial Communication on LicheePi 4A
This guide covers estbalishing serial communication between a LicheePi 4A board and a host PC using a USB-to-TTL adapter. The board runs Debian 20231023 with the LicheePi 4A 8+8G configuration.
Prerequisites
The onboard UART1 operates at 1.8V logic levels. Since most USB-to-Serial adapters use 3.3V or 5V signalnig, a voltage level converter is ...
Posted on Sun, 17 May 2026 07:27:40 +0000 by shibbi3