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Welcome to our site! Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.
Maybe not. The original MAX232 chip was a 5V part. If your AVR is running on a lower voltage, like say 3.3V, then you have to find a member of the MAX family that can make RS-232 levels from a 3.3V supply.
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