Questions tagged [analog]

Electronic devices with a continuously variable signal. The term "analogue" describes the proportional relationship between a signal and a voltage or current that represents the signal.

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Generate a true analog signal using Arduino

I am looking for a way to create a true analog output with the arduino uno. I am constantly reading an analog input on a0 pin, all i want to do is send the same signal as output. I know arduino ...
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ADC register always returning high

Regardless of whatever voltage at A0, the software is always returning high (1023) volatile unsigned char* ADmux = (unsigned char*) 0x7C; volatile unsigned char* ADCSRa = (unsigned char*) 0x7A; ...
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Multiple Push buttons to one input

So I am trying to use one input to control an LCD display. The goal being that once one of the buttons is pressed it delivers a message. I have watched quite a few tutorials and can get the program to ...