Many ‘legacy’ peripherals, microcontroller projects and older boards are left abandoned because they have no USB connectivity and therefore look terminally cut off from the modern PC (which, as many of you have painfully discovered) has no RS232 anymore. Customers today want plug & play behaviour from their electronic equipment and none of the old fumbling around with RS232 connectors and cables, let alone juggling with wires and sub-D connectors. No USB? Useless old grot.
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