Product Description

1, the new 340 chip, this series of chips is the STC official recommended USB to TTL chip, will never appear due to different drivers/different computers and other incompatible phenomenon!!!

2, golden appearance, high-quality yellow row needle, durable and beautiful than the black row needle on the market;

3, not only the power lamp PWR, as well as TXD and RXD indicator light, reserve RTS,CTS position convenient in the absence of instruments to intuitively understand whether the product is working;

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