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  1. B

    Voltage offset shifting

    Hallo everyone, I have question, for my project I need square wave oscillator (-2.5,2.5V), I generated pwm signal (0.5V) from Arduino Uno, but I can't shift it. I tried to make sumator with PWM signal and -2.5V, but it didn't worked out. Can somebody help. :) Thank you
  2. B

    LCD bilbords

    Does anybody have experience with outdoor lcd bilbords? Can you give me idea how to make it?
  3. B

    please help me, with Arduino uno serial communication

    I have one problem, I'm new in programming and I don't have lot of experience. I have to make C# program which task is to send some array of numbers to Arduino board. On Arduino board I have to sum these numbers and to return result to C# program, but I don't understand how serial communication...
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