Serial Port Module Isolated 6‑in‑1 FT232 USB / 485/422/232 / TTL Converter Y SG
1kV isolation between USB, RS‑232, RS‑485/422, TLL, support mutual conversion between USB and RS‑232, USB and RS‑422/485, USB and TTL, TTL and RS‑S232, TTL and RS‑422/485, RS232 and RS‑422/485. TTL: VIO, RXIN, TXOUT, GND support 5V or 3V level.