PORTS Forum
Ports and Interfaces => Serial Ports => Topic started by: saif on September 20, 2010, 03:20:22 pm
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hi,
i want to design a rs232 to rs485 converter ckt.. i found 1 schematic here-
http://www.circuit-projects.com/converter-circuits/rs232-rs485-converter-with-automatic-rx-tx-control.html
the circuit seems to be very simple using just transistor for auto enable. but i dont get how it works... need help urgrntly regarding this...
eagerly awaiting any reply regarding this..
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Maybe this will help:
http://janaxelson.com/rs-485_circuits.htm
Jan