Simple TTL to RS232 adapter

Technology
Simple TTL to RS232 adapter
RS232_adapter.jpg

I know, why not use USB? Well, a lot of time you could, but many people still use RS232 connections for for programming micro-controllers. Recently I needed a simple adapter to program and AVR, and this is what I found. – Link

You could always buy a USB – TTL cable in the MAKE store – Link

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