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USB to Serial Converter using ATmega8 /48

firmware included

by igor


The later PC or Notebook nowdays discontinued Serial Port (com) but many old peripheral still using one (serial port). Example if we  downloaded firmware for AT89C51 usually using serial port. So the solution is here to building USB to SERIAL Converter. The regulator IC LE35 can replace by using Zener Diode 3.5 volt. But first must be burning firmware to this ATmega8 or ATmega48 using AVR downloader.

Notes: The RxD and TxD must be connect to IC RS233 (IC MAX 232 or other) if want RS 232 sinyal level




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