Tuesday, 26 June 2007

RS232 and USB

You can connect Rs232 with USB port. But it need ONE IC between that 2 ports, converter IC. You can use any converter IC for this case. But, one important thing is that, the range of voltage for that IC is mostly +5V t0 -5V. Some computers output voltage is sometimes more that that. For that case, you should insert one voltage regulator device to regulate voltage to get constant +5V to -5V.
If you don't, your IC can be die. At that time, its difficult to find error.

Circuit Diagram for RS232 and USB
Converter Cable

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