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Anything off the Biometrics category in the SparkFun website goes in this forum. https://www.sparkfun.com/categories/146
#202304
Hello,

I'm trying to use Sparkfun's Single Lead Heart Rate Monitor AD8232 (https://www.sparkfun.com/products/12650) module to record the ECG signal. I need to have a frequency around 360Hz, but the maximum I get at 9600 baudrate is around 194 on Arduino, if I read the signal through the serialPort using serialport.io it's even smaller. To get more speed I have increased the baud rate, to 57600 but the signal gets very noisy.

I do not understand why it happens and I do not find the specification in Arduino or in the AD8232 specifications. Somebody could help me?