Rs232 To Ttl Converter Schematic. The schematic the converter cables are based on the max232 rs 232 converter from texas instruments. The schematic diagram shows the electronic components you need.
The component list below is only for the usb to serial ttl converter. Schematic is clearer now or more clear so the look back seems to work fine for item 4. Rs232 to rs422 converter circuit diagram pdf download for windows 7.
Note that i also posted the schematic diagram of the rs2323 board that converts ttl signals to rs232 signals but this is just as extra information.
Can be used on a real rs232 port. The ft8u232am requires a small number of external components to produce a device that converts usb to ttl level rs232 signals. Logic level converter for pic micros ttl cmos the circuit shown will convert logic level voltages to and from rs232 serial voltages levels. I would agree with win van gool and suggest that a max3221 or max3222 is uses instead of a standard max232 providing they are available.
