2 Input, 2 Output TTL UART to RS-232 Serial Converter
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If you deal with test and measure equipment or old computers, you've probably wanted to use RS232 serial. This is a bare minimum implementation of the MAX232 IC by Texas Instruments, to allow you to …
Read More…If you deal with test and measure equipment or old computers, you've probably wanted to use RS232 serial. This is a bare minimum implementation of the MAX232 IC by Texas Instruments, to allow you to adapt your basic FTDI or CH340 adaptors to the full flegged RS-232.
TTL UART sends a low by driving the drive line high. It sends a high by driving the drive line to ground. RS-232 sends a low by driving the drive line postive. It sends a high by driving the drive line NEGATIVE.
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