Hello... Unfortunately I cannot obtain any RS232 Driver for 3.3V, yes for 5V. In My LPC board I have 5V, so I was thinking about adding some transistor and convert the 3.3V from the LPC2106 to 5V and viceversa for the RX pin. I know this is not the best solution, but I think it could work. If not, what about making a Level shifter with Transistors? Does anybody have a schematic, or can help me with this? Thanks Ezequiel
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Alternative Circuit
2004-12-11 by acetoel