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USB-UART converters

USB-UART modules with DTR and RTS pins

A selection of USB-UART modules with additional digital pins DTR and RTS that can be used. It is better to choose CP2102 on a black board with pins on the sides.

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Mini USB-UART module CP2102

Miniature USB-UART modules on the CP2102 chip. Available with a micro USB and Type C connector.

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Mini USB-UART module CH340

Miniature USB-UART modules on the Chinese CH340 controller in different versions.

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CH340 module gold plated

USB-UART module on the Chinese CH340 chip with a good shielding track around the board, which helps reduce interference to and from the chip.

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CP2102 in case

USB-UART converter on the CP2102 chip in a case in the form of a USB flash drive with contacts.

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CP2102 in case with wire

USB-UART converter on the CP2102 chip in a USB flash drive-shaped case with a cable about 1 m long.

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CH340 in case with wire

USB-UART converter on the CH340 chip in a USB flash drive-shaped case with a cable about 1 m long.

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CH340 CP2102 module for soldering

Miniature board with CH340 or CP2102 chips with 2.54 mm contacts for soldering. Does not have a USB connector.

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Chips CH340C CH340G SOP-16

USB-UART chips in SOP-16 package. CH340G requires 12MHz crystal, CH340C does not require crystal. Description CH340.

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