Activity Forums Questions & Troubleshooting Problems with UART and Transceiver

  • Problems with UART and Transceiver

  • HanTop

    October 12, 2021 at 12:22 pm

    Hi, I have the MAXI POWER and I’m trying to communicate with my PC via a UART Transceiver named KYL-210. I can’t seem to either send or receive data to the controllino.

    The transceivers work well(using the model and these specific transceivers for a while) and I also tried switching the RX and TX multiple times to make sure I didn’t mess it up. I also switched between the serials (tried the main serial and serial1).

    I wasn’t using any libraries like SoftwareSerial, simply wrote Serial.begin(9600) and Serial.println(“a”) or Serial.write(“a”).

    I would love some help,

    Thanks In Advance 😀

  • Lukas

    October 22, 2021 at 7:49 am

    Hi, Serial, Serial1 and Serial2 are accessible at the CONTROLLINO pin headers. At the KYL-210 you should use TTL levels. Do not forget to interconnect GND.

    • This reply was modified 2 years, 8 months ago by  Lukas.
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