3PCS USB to TTL Module Set PL2303 CP2102 CH340G 5PIN UART for Arduino DIY 3x USB to TTL UART Serial Adapter PL2303HX CP2102 CH340G 5 Pin Arduino Module. ✔ 1 × CH340G USB to TTL Adapter. 1 × CH340G USB to TTL Adapter. ✔ 1 × CP2102 USB to TTL Adapter. 1 × CP2102 USB to TTL Adapter. byJuly 4, 2026