The new original CH340G chip, the series chip is STC official recommended USB to TTL chip, will not appear due to different drivers / different computers and other incompatible phenomenon! The The

Not only the power supply PWR, TXD and RXD indicators, to facilitate the case without the instrument intuitive understanding of whether the product is working;

3V3 and 5V are selected by short circuit;

Support WINDOWS 98 / ME / 2000 / XP / Server 2003 / VISTA /

Server 2008 / Win7 / Win8 / win10 32-bit / 64-bit

Module size: 55mm * 16mm

PCB size: 33mm * 16mm