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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ESP32 reading analog 2.4Ghz

Is there a possibility to analog read on the 2.4Ghz band to just read how much activity is in the presence of your device? Not parsing the messages but just listening to how strong of a signal you are ...
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Proper wiring for a HiLetgo DAC to Arduino

I have been having trouble finding any recourses for a DAC chip that I bought. It is the HiLetgo PCM5102 DCA. https://www.amazon.com/gp/product/B07Q9K5MT8/ref=ppx_yo_dt_b_asin_title_o00_s00?ie=UTF8&...
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Can't figure out source of interference reading 10k POTs with 74HC4051

I realize this gets asked a lot, but I feel like I've applied the most common fixes without success. I have 10 10k potentiometers plugged in to an arduino via a custom shield. 2 are wired directly to ...
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Triggering a Sleep Wake-up Event using analog output from a triple axis accelerometer?

I am working on a project that uses a Arduino MKR GSM 1400 and a ADXL335 Accelerometer . I am having trouble setting a interrupt wake up event on one of the GSM's interrupt-capable pin due to the ...
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Convert 1-5V to 4-20mA using Arduino

I am trying to convert 1-5V to 0-20mA which is then used to drive VFD. Actually, I want 1-5V Variable output from Arduino. I am using PWM but its output 0V or 5V depending upon the duty cycle. Is ...