Member #432301

Member Since: April 25, 2013

Country: United States

  • Product BOB-08745 | last year

    I can’t figure out how to work this properly. I am running an arduino due arduino mega serial communication. When i send through the TXI TXO 3.3V to 5V everything works great. Now when I send 5V to 3.3V on TXI TXO everything looks great on my oscilloscope as long as I do not plug in the TXO to my RX pin on the 3.3v DUE. As soon as I plug in the RX the oscilloscope reading plumits from a 3.3v signal to a 1.3v signal (which is uselss). I have tried using pullup resistors on both sides (Which cleaned up the signal rise time a bit with the oscilloscope attached only) but I still get only 1.3v. How do I get this thing working!

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