This application is designed as a learning tool and analysis of low frequency signals in real time, with resources that are available at hand such as an android mobile device, a bluetooth module, a micro controller and any other analog sensor that you want to analyze ; it is the following link the code necessary for reading an analog sensor can be downloaded, in this case the code is designed to read the variation signal of a potentiometer, however it can be adapted simply for any analog sensor.
link_code_arduino:
https://drive.google.com/file/d/1iP56tn3kHmSXgYK750USVqkTRLz2t9sq/view?usp=sharing
Caution.
If a very small sampling time is chosen, your mobile device may not support it and restart the application, it is suggested to start with sampling times a little greater than 200 milli seconds and then reduce until you find the optimal point of operation.
This application does not completely replace the function of an oscilloscope as it has its limitations, the microcontroller input voltage being 0 to 5 volts and the sampling frequency varies depending on the device.
application made by Jose Hidalgo.
link_code_arduino:
https://drive.google.com/file/d/1iP56tn3kHmSXgYK750USVqkTRLz2t9sq/view?usp=sharing
Caution.
If a very small sampling time is chosen, your mobile device may not support it and restart the application, it is suggested to start with sampling times a little greater than 200 milli seconds and then reduce until you find the optimal point of operation.
This application does not completely replace the function of an oscilloscope as it has its limitations, the microcontroller input voltage being 0 to 5 volts and the sampling frequency varies depending on the device.
application made by Jose Hidalgo.
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