graph related the question I am new to Arduino, I would like to know if someone could help me to create this type of signal with the Arduino Uno. Many thanks!!

  • I'd use an MCP4822.
    – Majenko
    Mar 5 '21 at 14:56
  • the arduino does not have analog output per se ... it is a PWM output ... please clarify what pin 9 and pin 10 signify in the diagram ... what is the purpose of the signal
    – jsotola
    Mar 5 '21 at 16:03
  • it is to create an induced magnetic field in coils and stray currents. It is for an electrochemical project. Yes!! I know you cannot generate an analog output but if it is similar to the sketch would be OK. The pins 9 and 10 are I want to use, so the pin 9 and ground and the pin 10 and ground. Mar 5 '21 at 16:18
  • it is unclear how pin 9 and pin 10 are used ... if pin 9 and pin 10 are analog outputs, then you should draw two separate waveforms
    – jsotola
    Mar 5 '21 at 16:48
  • Yes!! you are right, my fault it is unclear, they are two different waveforms superimposed Mar 5 '21 at 17:19

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