Hello! I'm trying to get data via serial connection from my router by arduino's UART. I'm getting incomming data, but it's garbage only! My router has 3,7 V on UART so i decied to use MAX3232 to convert to 5V TTL levels. After i checked port by reading router's boot log by terminal program (9600…

Arduino can't read data from router's serial port

tonich October 25, 2012, 3:15am 8

but without max3232 Arduino can't get signal at 3,7 V, am ui right ?

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