Alternate for C232HM DDHSL-0?

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this device, shown here , elsewhere, shown here used esp-201 breakouts allow arduino ide...

it $50usd, though... :( can 1 made, or perhaps equivalent available? noticed 4 pins needed (the 4 on end of board)...

ideas?

the board:



Arduino Forum > Using Arduino > Networking, Protocols, and Devices (Moderator: fabioc84) > Alternate for C232HM DDHSL-0?


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