Product · United States

CH340 Optical Isolation Serial Module USB to TTL Converter, 5V 3.3V 2.5V 1.8V 4-level Signal Serial Port Board

Product no longer available. The stores we track no longer sell it; last price seen $16.14.

Price history: 2 daily prices tracked since 2026-10-19; lowest $16.14, highest $16.14.

CH340 Optical Isolation Serial Module USB to TTL Converter, 5V 3.3V 2.5V 1.8V 4-level Signal Serial Port Board

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