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1PCS CH340 module USB to TTL STC microcontroller board CH340G upgrade download a small wire brush plate USB to serial

USD 0.65USD 1.08

1PCS CH340 module USB to TTL STC microcontroller board CH340G upgrade download a small wire brush plate USB to serial

Description
Specification
200/100/50PCS S3B-13 S3B SMC
USD 1.93USD 2.08
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