RK3588 2x RS485 serial board

Androidsbc - China source manufacturer for RK3588 commercial display multi-interface board. Featured model ASB-RK3588-NET (Network & USB Board): Rockchip RK3588, 8nm, 4x Cortex-A76 @2.4GHz + 4x Cortex-A55 @1.8GHz; 256GB eMMC 5.1, microSD + M.2 NVMe; HDMI 2.1 8K + 2x HDMI 2.0 (triple display); RS232/RS485, CAN FD, GPIO, I2C; 2x 2.5G Ethernet (4kV surge), WiFi···